2 * mono-profiler-logging.c: Logging profiler for Mono.
5 * Massimiliano Mantione (massi@ximian.com)
7 * Copyright 2008-2009 Novell, Inc (http://www.novell.com)
10 #include <mono/metadata/profiler.h>
11 #include <mono/metadata/class.h>
12 #include <mono/metadata/metadata-internals.h>
13 #include <mono/metadata/class-internals.h>
14 #include <mono/metadata/assembly.h>
15 #include <mono/metadata/loader.h>
16 #include <mono/metadata/threads.h>
17 #include <mono/metadata/debug-helpers.h>
18 #include <mono/metadata/mono-gc.h>
19 #include <mono/io-layer/atomic.h>
28 #include <sys/types.h>
29 #include <sys/socket.h>
30 #include <netinet/in.h>
32 #define HAS_OPROFILE 0
35 #include <libopagent.h>
38 // Needed for heap analysis
39 extern gboolean mono_object_is_alive (MonoObject* obj);
42 MONO_PROFILER_FILE_BLOCK_KIND_INTRO = 1,
43 MONO_PROFILER_FILE_BLOCK_KIND_END = 2,
44 MONO_PROFILER_FILE_BLOCK_KIND_MAPPING = 3,
45 MONO_PROFILER_FILE_BLOCK_KIND_LOADED = 4,
46 MONO_PROFILER_FILE_BLOCK_KIND_UNLOADED = 5,
47 MONO_PROFILER_FILE_BLOCK_KIND_EVENTS = 6,
48 MONO_PROFILER_FILE_BLOCK_KIND_STATISTICAL = 7,
49 MONO_PROFILER_FILE_BLOCK_KIND_HEAP_DATA = 8,
50 MONO_PROFILER_FILE_BLOCK_KIND_HEAP_SUMMARY = 9,
51 MONO_PROFILER_FILE_BLOCK_KIND_DIRECTIVES = 10
52 } MonoProfilerFileBlockKind;
55 MONO_PROFILER_DIRECTIVE_END = 0,
56 MONO_PROFILER_DIRECTIVE_ALLOCATIONS_CARRY_CALLER = 1,
57 MONO_PROFILER_DIRECTIVE_ALLOCATIONS_HAVE_STACK = 2,
58 MONO_PROFILER_DIRECTIVE_ALLOCATIONS_CARRY_ID = 3,
59 MONO_PROFILER_DIRECTIVE_LOADED_ELEMENTS_CARRY_ID = 4,
60 MONO_PROFILER_DIRECTIVE_CLASSES_CARRY_ASSEMBLY_ID = 5,
61 MONO_PROFILER_DIRECTIVE_METHODS_CARRY_WRAPPER_FLAG = 6,
62 MONO_PROFILER_DIRECTIVE_LAST
63 } MonoProfilerDirectives;
66 #define MONO_PROFILER_LOADED_EVENT_MODULE 1
67 #define MONO_PROFILER_LOADED_EVENT_ASSEMBLY 2
68 #define MONO_PROFILER_LOADED_EVENT_APPDOMAIN 4
69 #define MONO_PROFILER_LOADED_EVENT_SUCCESS 8
70 #define MONO_PROFILER_LOADED_EVENT_FAILURE 16
73 MONO_PROFILER_EVENT_DATA_TYPE_OTHER = 0,
74 MONO_PROFILER_EVENT_DATA_TYPE_METHOD = 1,
75 MONO_PROFILER_EVENT_DATA_TYPE_CLASS = 2
76 } MonoProfilerEventDataType;
78 typedef struct _ProfilerEventData {
83 unsigned int data_type:2;
86 unsigned int value:25;
89 #define EVENT_VALUE_BITS (25)
90 #define MAX_EVENT_VALUE ((1<<EVENT_VALUE_BITS)-1)
93 MONO_PROFILER_EVENT_METHOD_JIT = 0,
94 MONO_PROFILER_EVENT_METHOD_FREED = 1,
95 MONO_PROFILER_EVENT_METHOD_CALL = 2,
96 MONO_PROFILER_EVENT_METHOD_ALLOCATION_CALLER = 3,
97 MONO_PROFILER_EVENT_METHOD_ALLOCATION_JIT_TIME_CALLER = 4
98 } MonoProfilerMethodEvents;
100 MONO_PROFILER_EVENT_CLASS_LOAD = 0,
101 MONO_PROFILER_EVENT_CLASS_UNLOAD = 1,
102 MONO_PROFILER_EVENT_CLASS_EXCEPTION = 2,
103 MONO_PROFILER_EVENT_CLASS_MONITOR = 3,
104 MONO_PROFILER_EVENT_CLASS_ALLOCATION = 4
105 } MonoProfilerClassEvents;
107 MONO_PROFILER_EVENT_RESULT_SUCCESS = 0,
108 MONO_PROFILER_EVENT_RESULT_FAILURE = 4
109 } MonoProfilerEventResult;
110 #define MONO_PROFILER_EVENT_RESULT_MASK MONO_PROFILER_EVENT_RESULT_FAILURE
112 MONO_PROFILER_EVENT_THREAD = 1,
113 MONO_PROFILER_EVENT_GC_COLLECTION = 2,
114 MONO_PROFILER_EVENT_GC_MARK = 3,
115 MONO_PROFILER_EVENT_GC_SWEEP = 4,
116 MONO_PROFILER_EVENT_GC_RESIZE = 5,
117 MONO_PROFILER_EVENT_GC_STOP_WORLD = 6,
118 MONO_PROFILER_EVENT_GC_START_WORLD = 7,
119 MONO_PROFILER_EVENT_JIT_TIME_ALLOCATION = 8,
120 MONO_PROFILER_EVENT_STACK_SECTION = 9,
121 MONO_PROFILER_EVENT_ALLOCATION_OBJECT_ID = 10,
122 MONO_PROFILER_EVENT_OBJECT_MONITOR = 11
123 } MonoProfilerEvents;
125 MONO_PROFILER_EVENT_KIND_START = 0,
126 MONO_PROFILER_EVENT_KIND_END = 1
127 } MonoProfilerEventKind;
129 #define MONO_PROFILER_GET_CURRENT_TIME(t) {\
130 struct timeval current_time;\
131 gettimeofday (¤t_time, NULL);\
132 (t) = (((guint64)current_time.tv_sec) * 1000000) + current_time.tv_usec;\
135 static gboolean use_fast_timer = FALSE;
137 #if (defined(__i386__) || defined(__x86_64__)) && ! defined(HOST_WIN32)
139 #if defined(__i386__)
140 static const guchar cpuid_impl [] = {
141 0x55, /* push %ebp */
142 0x89, 0xe5, /* mov %esp,%ebp */
143 0x53, /* push %ebx */
144 0x8b, 0x45, 0x08, /* mov 0x8(%ebp),%eax */
145 0x0f, 0xa2, /* cpuid */
146 0x50, /* push %eax */
147 0x8b, 0x45, 0x10, /* mov 0x10(%ebp),%eax */
148 0x89, 0x18, /* mov %ebx,(%eax) */
149 0x8b, 0x45, 0x14, /* mov 0x14(%ebp),%eax */
150 0x89, 0x08, /* mov %ecx,(%eax) */
151 0x8b, 0x45, 0x18, /* mov 0x18(%ebp),%eax */
152 0x89, 0x10, /* mov %edx,(%eax) */
154 0x8b, 0x55, 0x0c, /* mov 0xc(%ebp),%edx */
155 0x89, 0x02, /* mov %eax,(%edx) */
161 typedef void (*CpuidFunc) (int id, int* p_eax, int* p_ebx, int* p_ecx, int* p_edx);
164 cpuid (int id, int* p_eax, int* p_ebx, int* p_ecx, int* p_edx) {
167 __asm__ __volatile__ (
170 "movl %%eax, %%edx\n"
171 "xorl $0x200000, %%eax\n"
176 "xorl %%edx, %%eax\n"
177 "andl $0x200000, %%eax\n"
199 CpuidFunc func = (CpuidFunc) cpuid_impl;
200 func (id, p_eax, p_ebx, p_ecx, p_edx);
202 * We use this approach because of issues with gcc and pic code, see:
203 * http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7329
204 __asm__ __volatile__ ("cpuid"
205 : "=a" (*p_eax), "=b" (*p_ebx), "=c" (*p_ecx), "=d" (*p_edx)
213 static void detect_fast_timer (void) {
214 int p_eax, p_ebx, p_ecx, p_edx;
216 if (cpuid (0x1, &p_eax, &p_ebx, &p_ecx, &p_edx)) {
218 use_fast_timer = TRUE;
220 use_fast_timer = FALSE;
223 use_fast_timer = FALSE;
228 #if defined(__x86_64__)
229 static void detect_fast_timer (void) {
231 guint32 eax,ebx,ecx,edx;
232 __asm__ __volatile__ ("cpuid" : "=a"(eax), "=b"(ebx), "=c"(ecx), "=d"(edx) : "a"(op));
234 use_fast_timer = TRUE;
236 use_fast_timer = FALSE;
241 static __inline__ guint64 rdtsc(void) {
243 __asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi));
244 return ((guint64) lo) | (((guint64) hi) << 32);
246 #define MONO_PROFILER_GET_CURRENT_COUNTER(c) {\
247 if (use_fast_timer) {\
250 MONO_PROFILER_GET_CURRENT_TIME ((c));\
254 static void detect_fast_timer (void) {
255 use_fast_timer = FALSE;
257 #define MONO_PROFILER_GET_CURRENT_COUNTER(c) MONO_PROFILER_GET_CURRENT_TIME ((c))
261 #define CLASS_LAYOUT_PACKED_BITMAP_SIZE 64
262 #define CLASS_LAYOUT_NOT_INITIALIZED (0xFFFF)
265 HEAP_CODE_OBJECT = 1,
266 HEAP_CODE_FREE_OBJECT_CLASS = 2,
268 } HeapProfilerJobValueCode;
269 typedef struct _MonoProfilerClassData {
278 } MonoProfilerClassData;
280 typedef struct _MonoProfilerMethodData {
283 } MonoProfilerMethodData;
285 typedef struct _ClassIdMappingElement {
289 struct _ClassIdMappingElement *next_unwritten;
290 MonoProfilerClassData data;
291 } ClassIdMappingElement;
293 typedef struct _MethodIdMappingElement {
297 struct _MethodIdMappingElement *next_unwritten;
298 MonoProfilerMethodData data;
299 } MethodIdMappingElement;
301 typedef struct _ClassIdMapping {
303 ClassIdMappingElement *unwritten;
307 typedef struct _MethodIdMapping {
309 MethodIdMappingElement *unwritten;
313 typedef struct _LoadedElement {
315 guint64 load_start_counter;
316 guint64 load_end_counter;
317 guint64 unload_start_counter;
318 guint64 unload_end_counter;
323 guint8 unload_written;
325 struct _ProfilerCodeBufferArray;
326 typedef struct _ProfilerCodeBuffer {
334 struct _ProfilerCodeBufferArray *sub_buffers;
339 } ProfilerCodeBuffer;
341 #define PROFILER_CODE_BUFFER_ARRAY_SIZE 64
342 typedef struct _ProfilerCodeBufferArray {
344 int number_of_buffers;
345 ProfilerCodeBuffer buffers [PROFILER_CODE_BUFFER_ARRAY_SIZE];
346 } ProfilerCodeBufferArray;
348 typedef struct _ProfilerCodeChunk {
352 ProfilerCodeBufferArray *buffers;
355 typedef struct _ProfilerCodeChunks {
357 int number_of_chunks;;
358 ProfilerCodeChunk *chunks;
359 } ProfilerCodeChunks;
362 #define PROFILER_HEAP_SHOT_OBJECT_BUFFER_SIZE 1024
363 #define PROFILER_HEAP_SHOT_HEAP_BUFFER_SIZE 4096
364 #define PROFILER_HEAP_SHOT_WRITE_BUFFER_SIZE 4096
366 typedef struct _ProfilerHeapShotObjectBuffer {
367 struct _ProfilerHeapShotObjectBuffer *next;
368 MonoObject **next_free_slot;
370 MonoObject **first_unprocessed_slot;
371 MonoObject *buffer [PROFILER_HEAP_SHOT_OBJECT_BUFFER_SIZE];
372 } ProfilerHeapShotObjectBuffer;
374 typedef struct _ProfilerHeapShotHeapBuffer {
375 struct _ProfilerHeapShotHeapBuffer *next;
376 struct _ProfilerHeapShotHeapBuffer *previous;
377 MonoObject **start_slot;
378 MonoObject **end_slot;
379 MonoObject *buffer [PROFILER_HEAP_SHOT_HEAP_BUFFER_SIZE];
380 } ProfilerHeapShotHeapBuffer;
382 typedef struct _ProfilerHeapShotHeapBuffers {
383 ProfilerHeapShotHeapBuffer *buffers;
384 ProfilerHeapShotHeapBuffer *last;
385 ProfilerHeapShotHeapBuffer *current;
386 MonoObject **first_free_slot;
387 } ProfilerHeapShotHeapBuffers;
390 typedef struct _ProfilerHeapShotWriteBuffer {
391 struct _ProfilerHeapShotWriteBuffer *next;
392 gpointer buffer [PROFILER_HEAP_SHOT_WRITE_BUFFER_SIZE];
393 } ProfilerHeapShotWriteBuffer;
395 typedef struct _ProfilerHeapShotClassSummary {
404 } ProfilerHeapShotClassSummary;
406 typedef struct _ProfilerHeapShotCollectionSummary {
407 ProfilerHeapShotClassSummary *per_class_data;
409 } ProfilerHeapShotCollectionSummary;
411 typedef struct _ProfilerHeapShotWriteJob {
412 struct _ProfilerHeapShotWriteJob *next;
413 struct _ProfilerHeapShotWriteJob *next_unwritten;
417 ProfilerHeapShotWriteBuffer *buffers;
418 ProfilerHeapShotWriteBuffer **last_next;
419 guint32 full_buffers;
420 gboolean heap_shot_was_requested;
421 guint64 start_counter;
426 ProfilerHeapShotCollectionSummary summary;
427 gboolean dump_heap_data;
428 } ProfilerHeapShotWriteJob;
430 typedef struct _ProfilerThreadStack {
433 guint32 last_saved_top;
434 guint32 last_written_frame;
436 guint8 *method_is_jitted;
437 guint32 *written_frames;
438 } ProfilerThreadStack;
440 typedef struct _ProfilerPerThreadData {
441 ProfilerEventData *events;
442 ProfilerEventData *next_free_event;
443 ProfilerEventData *next_unreserved_event;
444 ProfilerEventData *end_event;
445 ProfilerEventData *first_unwritten_event;
446 ProfilerEventData *first_unmapped_event;
447 guint64 start_event_counter;
448 guint64 last_event_counter;
450 ProfilerHeapShotObjectBuffer *heap_shot_object_buffers;
451 ProfilerThreadStack stack;
452 struct _ProfilerPerThreadData* next;
453 } ProfilerPerThreadData;
455 typedef struct _ProfilerStatisticalHit {
458 } ProfilerStatisticalHit;
460 typedef struct _ProfilerStatisticalData {
461 ProfilerStatisticalHit *hits;
462 unsigned int next_free_index;
463 unsigned int end_index;
464 unsigned int first_unwritten_index;
465 } ProfilerStatisticalData;
467 typedef struct _ProfilerUnmanagedSymbol {
472 } ProfilerUnmanagedSymbol;
474 struct _ProfilerExecutableFile;
475 struct _ProfilerExecutableFileSectionRegion;
477 typedef struct _ProfilerExecutableMemoryRegionData {
485 struct _ProfilerExecutableFile *file;
486 struct _ProfilerExecutableFileSectionRegion *file_region_reference;
487 guint32 symbols_count;
488 guint32 symbols_capacity;
489 ProfilerUnmanagedSymbol *symbols;
490 } ProfilerExecutableMemoryRegionData;
492 typedef struct _ProfilerExecutableMemoryRegions {
493 ProfilerExecutableMemoryRegionData **regions;
494 guint32 regions_capacity;
495 guint32 regions_count;
497 guint32 next_unmanaged_function_id;
498 } ProfilerExecutableMemoryRegions;
500 /* Start of ELF definitions */
502 typedef guint16 ElfHalf;
503 typedef guint32 ElfWord;
504 typedef gsize ElfAddr;
505 typedef gsize ElfOff;
508 unsigned char e_ident[EI_NIDENT];
514 ElfOff e_shoff; // Section header table
516 ElfHalf e_ehsize; // Header size
519 ElfHalf e_shentsize; // Section header entry size
520 ElfHalf e_shnum; // Section header entries number
521 ElfHalf e_shstrndx; // String table index
524 #if (SIZEOF_VOID_P == 4)
529 ElfAddr sh_addr; // Address in memory
530 ElfOff sh_offset; // Offset in file
534 ElfWord sh_addralign;
541 unsigned char st_info; // Use ELF32_ST_TYPE to get symbol type
542 unsigned char st_other;
543 ElfHalf st_shndx; // Or one of SHN_ABS, SHN_COMMON or SHN_UNDEF.
545 #elif (SIZEOF_VOID_P == 8)
550 ElfAddr sh_addr; // Address in memory
551 ElfOff sh_offset; // Offset in file
560 unsigned char st_info; // Use ELF_ST_TYPE to get symbol type
561 unsigned char st_other;
562 ElfHalf st_shndx; // Or one of SHN_ABS, SHN_COMMON or SHN_UNDEF.
567 #error Bad size of void pointer
571 #define ELF_ST_BIND(i) ((i)>>4)
572 #define ELF_ST_TYPE(i) ((i)&0xf)
585 ELF_FILE_TYPE_NONE = 0,
586 ELF_FILE_TYPE_REL = 1,
587 ELF_FILE_TYPE_EXEC = 2,
588 ELF_FILE_TYPE_DYN = 3,
589 ELF_FILE_TYPE_CORE = 4
606 ELF_SHT_PROGBITS = 1,
630 ELF_SHF_EXECINSTR = 4,
633 #define ELF_SHN_UNDEF 0
634 #define ELF_SHN_LORESERVE 0xff00
635 #define ELF_SHN_LOPROC 0xff00
636 #define ELF_SHN_HIPROC 0xff1f
637 #define ELF_SHN_ABS 0xfff1
638 #define ELF_SHN_COMMON 0xfff2
639 #define ELF_SHN_HIRESERVE 0xffff
640 /* End of ELF definitions */
642 typedef struct _ProfilerExecutableFileSectionRegion {
643 ProfilerExecutableMemoryRegionData *region;
644 guint8 *section_address;
645 gsize section_offset;
646 } ProfilerExecutableFileSectionRegion;
648 typedef struct _ProfilerExecutableFile {
649 guint32 reference_count;
651 /* Used for mmap and munmap */
658 guint8 *symbols_start;
659 guint32 symbols_count;
661 const char *symbols_string_table;
662 const char *main_string_table;
664 ProfilerExecutableFileSectionRegion *section_regions;
666 struct _ProfilerExecutableFile *next_new_file;
667 } ProfilerExecutableFile;
669 typedef struct _ProfilerExecutableFiles {
671 ProfilerExecutableFile *new_files;
672 } ProfilerExecutableFiles;
675 #define CLEANUP_WRITER_THREAD() do {profiler->writer_thread_terminated = TRUE;} while (0)
676 #define CHECK_WRITER_THREAD() (! profiler->writer_thread_terminated)
679 #include <sys/types.h>
680 #include <sys/time.h>
681 #include <sys/stat.h>
685 #include <semaphore.h>
687 #include <sys/mman.h>
688 #include <sys/types.h>
689 #include <sys/stat.h>
693 #define MUTEX_TYPE pthread_mutex_t
694 #define INITIALIZE_PROFILER_MUTEX() pthread_mutex_init (&(profiler->mutex), NULL)
695 #define DELETE_PROFILER_MUTEX() pthread_mutex_destroy (&(profiler->mutex))
696 #define LOCK_PROFILER() do {/*LOG_WRITER_THREAD ("LOCK_PROFILER");*/ pthread_mutex_lock (&(profiler->mutex));} while (0)
697 #define UNLOCK_PROFILER() do {/*LOG_WRITER_THREAD ("UNLOCK_PROFILER");*/ pthread_mutex_unlock (&(profiler->mutex));} while (0)
699 #define THREAD_TYPE pthread_t
700 #define CREATE_WRITER_THREAD(f) pthread_create (&(profiler->data_writer_thread), NULL, ((void*(*)(void*))f), NULL)
701 #define CREATE_USER_THREAD(f) pthread_create (&(profiler->user_thread), NULL, ((void*(*)(void*))f), NULL)
702 #define EXIT_THREAD() pthread_exit (NULL);
703 #define WAIT_WRITER_THREAD() do {\
704 if (CHECK_WRITER_THREAD ()) {\
705 pthread_join (profiler->data_writer_thread, NULL);\
708 #define CURRENT_THREAD_ID() (gsize) pthread_self ()
710 #ifndef HAVE_KW_THREAD
711 static pthread_key_t pthread_profiler_key;
712 static pthread_once_t profiler_pthread_once = PTHREAD_ONCE_INIT;
714 make_pthread_profiler_key (void) {
715 (void) pthread_key_create (&pthread_profiler_key, NULL);
717 #define LOOKUP_PROFILER_THREAD_DATA() ((ProfilerPerThreadData*) pthread_getspecific (pthread_profiler_key))
718 #define SET_PROFILER_THREAD_DATA(x) (void) pthread_setspecific (pthread_profiler_key, (x))
719 #define ALLOCATE_PROFILER_THREAD_DATA() (void) pthread_once (&profiler_pthread_once, make_pthread_profiler_key)
720 #define FREE_PROFILER_THREAD_DATA() (void) pthread_key_delete (pthread_profiler_key)
723 #define EVENT_TYPE sem_t
724 #define WRITER_EVENT_INIT() do {\
725 sem_init (&(profiler->enable_data_writer_event), 0, 0);\
726 sem_init (&(profiler->wake_data_writer_event), 0, 0);\
727 sem_init (&(profiler->done_data_writer_event), 0, 0);\
729 #define WRITER_EVENT_DESTROY() do {\
730 sem_destroy (&(profiler->enable_data_writer_event));\
731 sem_destroy (&(profiler->wake_data_writer_event));\
732 sem_destroy (&(profiler->done_data_writer_event));\
734 #define WRITER_EVENT_WAIT() (void) sem_wait (&(profiler->wake_data_writer_event))
735 #define WRITER_EVENT_RAISE() (void) sem_post (&(profiler->wake_data_writer_event))
736 #define WRITER_EVENT_ENABLE_WAIT() (void) sem_wait (&(profiler->enable_data_writer_event))
737 #define WRITER_EVENT_ENABLE_RAISE() (void) sem_post (&(profiler->enable_data_writer_event))
738 #define WRITER_EVENT_DONE_WAIT() do {\
739 if (CHECK_WRITER_THREAD ()) {\
740 (void) sem_wait (&(profiler->done_data_writer_event));\
743 #define WRITER_EVENT_DONE_RAISE() (void) sem_post (&(profiler->done_data_writer_event))
746 #define FILE_HANDLE_TYPE FILE*
747 #define OPEN_FILE() profiler->file = fopen (profiler->file_name, "wb");
748 #define WRITE_BUFFER(b,s) fwrite ((b), 1, (s), profiler->file)
749 #define FLUSH_FILE() fflush (profiler->file)
750 #define CLOSE_FILE() fclose (profiler->file)
752 #define FILE_HANDLE_TYPE int
753 #define OPEN_FILE() profiler->file = open (profiler->file_name, O_WRONLY|O_CREAT|O_TRUNC, 0664);
754 #define WRITE_BUFFER(b,s) write (profiler->file, (b), (s))
755 #define FLUSH_FILE() fsync (profiler->file)
756 #define CLOSE_FILE() close (profiler->file)
763 #define MUTEX_TYPE CRITICAL_SECTION
764 #define INITIALIZE_PROFILER_MUTEX() InitializeCriticalSection (&(profiler->mutex))
765 #define DELETE_PROFILER_MUTEX() DeleteCriticalSection (&(profiler->mutex))
766 #define LOCK_PROFILER() EnterCriticalSection (&(profiler->mutex))
767 #define UNLOCK_PROFILER() LeaveCriticalSection (&(profiler->mutex))
769 #define THREAD_TYPE HANDLE
770 #define CREATE_WRITER_THREAD(f) CreateThread (NULL, (1*1024*1024), (f), NULL, 0, NULL);
771 #define EXIT_THREAD() ExitThread (0);
772 #define WAIT_WRITER_THREAD() do {\
773 if (CHECK_WRITER_THREAD ()) {\
774 WaitForSingleObject (profiler->data_writer_thread, INFINITE);\
777 #define CURRENT_THREAD_ID() (gsize) GetCurrentThreadId ()
779 #ifndef HAVE_KW_THREAD
780 static guint32 profiler_thread_id = -1;
781 #define LOOKUP_PROFILER_THREAD_DATA() ((ProfilerPerThreadData*)TlsGetValue (profiler_thread_id))
782 #define SET_PROFILER_THREAD_DATA(x) TlsSetValue (profiler_thread_id, (x));
783 #define ALLOCATE_PROFILER_THREAD_DATA() profiler_thread_id = TlsAlloc ()
784 #define FREE_PROFILER_THREAD_DATA() TlsFree (profiler_thread_id)
787 #define EVENT_TYPE HANDLE
788 #define WRITER_EVENT_INIT() (void) do {\
789 profiler->enable_data_writer_event = CreateEvent (NULL, FALSE, FALSE, NULL);\
790 profiler->wake_data_writer_event = CreateEvent (NULL, FALSE, FALSE, NULL);\
791 profiler->done_data_writer_event = CreateEvent (NULL, FALSE, FALSE, NULL);\
793 #define WRITER_EVENT_DESTROY() CloseHandle (profiler->statistical_data_writer_event)
794 #define WRITER_EVENT_INIT() (void) do {\
795 CloseHandle (profiler->enable_data_writer_event);\
796 CloseHandle (profiler->wake_data_writer_event);\
797 CloseHandle (profiler->done_data_writer_event);\
799 #define WRITER_EVENT_WAIT() WaitForSingleObject (profiler->wake_data_writer_event, INFINITE)
800 #define WRITER_EVENT_RAISE() SetEvent (profiler->wake_data_writer_event)
801 #define WRITER_EVENT_ENABLE_WAIT() WaitForSingleObject (profiler->enable_data_writer_event, INFINITE)
802 #define WRITER_EVENT_ENABLE_RAISE() SetEvent (profiler->enable_data_writer_event)
803 #define WRITER_EVENT_DONE_WAIT() do {\
804 if (CHECK_WRITER_THREAD ()) {\
805 WaitForSingleObject (profiler->done_data_writer_event, INFINITE);\
808 #define WRITER_EVENT_DONE_RAISE() SetEvent (profiler->done_data_writer_event)
810 #define FILE_HANDLE_TYPE FILE*
811 #define OPEN_FILE() profiler->file = fopen (profiler->file_name, "wb");
812 #define WRITE_BUFFER(b,s) fwrite ((b), 1, (s), profiler->file)
813 #define FLUSH_FILE() fflush (profiler->file)
814 #define CLOSE_FILE() fclose (profiler->file);
818 #ifdef HAVE_KW_THREAD
819 static __thread ProfilerPerThreadData * tls_profiler_per_thread_data;
820 #define LOOKUP_PROFILER_THREAD_DATA() ((ProfilerPerThreadData*) tls_profiler_per_thread_data)
821 #define SET_PROFILER_THREAD_DATA(x) tls_profiler_per_thread_data = (x)
822 #define ALLOCATE_PROFILER_THREAD_DATA() /* nop */
823 #define FREE_PROFILER_THREAD_DATA() /* nop */
826 #define GET_PROFILER_THREAD_DATA(data) do {\
827 ProfilerPerThreadData *_result = LOOKUP_PROFILER_THREAD_DATA ();\
829 _result = profiler_per_thread_data_new (profiler->per_thread_buffer_size);\
831 _result->next = profiler->per_thread_data;\
832 profiler->per_thread_data = _result;\
834 SET_PROFILER_THREAD_DATA (_result);\
839 #define PROFILER_FILE_WRITE_BUFFER_SIZE (profiler->write_buffer_size)
840 typedef struct _ProfilerFileWriteBuffer {
841 struct _ProfilerFileWriteBuffer *next;
842 guint8 buffer [MONO_ZERO_LEN_ARRAY];
843 } ProfilerFileWriteBuffer;
845 #define CHECK_PROFILER_ENABLED() do {\
846 if (! profiler->profiler_enabled)\
849 struct _MonoProfiler {
852 MonoProfileFlags flags;
853 gboolean profiler_enabled;
855 char *file_name_suffix;
856 FILE_HANDLE_TYPE file;
859 guint64 start_counter;
863 guint64 last_header_counter;
865 MethodIdMapping *methods;
866 ClassIdMapping *classes;
868 guint32 loaded_element_next_free_id;
869 GHashTable *loaded_assemblies;
870 GHashTable *loaded_modules;
871 GHashTable *loaded_appdomains;
873 guint32 per_thread_buffer_size;
874 guint32 statistical_buffer_size;
875 ProfilerPerThreadData* per_thread_data;
876 ProfilerStatisticalData *statistical_data;
877 ProfilerStatisticalData *statistical_data_ready;
878 ProfilerStatisticalData *statistical_data_second_buffer;
879 int statistical_call_chain_depth;
880 MonoProfilerCallChainStrategy statistical_call_chain_strategy;
882 ProfilerCodeChunks code_chunks;
884 THREAD_TYPE data_writer_thread;
885 THREAD_TYPE user_thread;
886 EVENT_TYPE enable_data_writer_event;
887 EVENT_TYPE wake_data_writer_event;
888 EVENT_TYPE done_data_writer_event;
889 gboolean terminate_writer_thread;
890 gboolean writer_thread_terminated;
892 ProfilerFileWriteBuffer *write_buffers;
893 ProfilerFileWriteBuffer *current_write_buffer;
894 int write_buffer_size;
895 int current_write_position;
896 int full_write_buffers;
898 ProfilerHeapShotWriteJob *heap_shot_write_jobs;
899 ProfilerHeapShotHeapBuffers heap;
903 int dump_next_heap_snapshots;
904 gboolean heap_shot_was_requested;
905 guint32 garbage_collection_counter;
907 ProfilerExecutableMemoryRegions *executable_regions;
908 ProfilerExecutableFiles executable_files;
915 gboolean unreachable_objects;
916 gboolean collection_summary;
917 gboolean report_gc_events;
919 gboolean track_stack;
920 gboolean track_calls;
921 gboolean save_allocation_caller;
922 gboolean save_allocation_stack;
923 gboolean allocations_carry_id;
926 static MonoProfiler *profiler;
929 enable_profiler (void) {
930 profiler->profiler_enabled = TRUE;
933 static void flush_everything (void);
936 disable_profiler (void) {
937 profiler->profiler_enabled = FALSE;
942 request_heap_snapshot (void) {
943 profiler->heap_shot_was_requested = TRUE;
944 mono_gc_collect (mono_gc_max_generation ());
947 #define DEBUG_LOAD_EVENTS 0
948 #define DEBUG_MAPPING_EVENTS 0
949 #define DEBUG_LOGGING_PROFILER 0
950 #define DEBUG_HEAP_PROFILER 0
951 #define DEBUG_CLASS_BITMAPS 0
952 #define DEBUG_STATISTICAL_PROFILER 0
953 #define DEBUG_WRITER_THREAD 0
954 #define DEBUG_USER_THREAD 0
955 #define DEBUG_FILE_WRITES 0
956 #if (DEBUG_LOGGING_PROFILER || DEBUG_STATISTICAL_PROFILER || DEBUG_HEAP_PROFILER || DEBUG_WRITER_THREAD || DEBUG_FILE_WRITES)
957 #define LOG_WRITER_THREAD(m) printf ("WRITER-THREAD-LOG %s\n", m)
959 #define LOG_WRITER_THREAD(m)
961 #if (DEBUG_LOGGING_PROFILER || DEBUG_STATISTICAL_PROFILER || DEBUG_HEAP_PROFILER || DEBUG_USER_THREAD || DEBUG_FILE_WRITES)
962 #define LOG_USER_THREAD(m) printf ("USER-THREAD-LOG %s\n", m)
964 #define LOG_USER_THREAD(m)
967 #if DEBUG_LOGGING_PROFILER
968 static int event_counter = 0;
969 #define EVENT_MARK() printf ("[EVENT:%d]", ++ event_counter)
973 thread_stack_initialize_empty (ProfilerThreadStack *stack) {
976 stack->last_saved_top = 0;
977 stack->last_written_frame = 0;
979 stack->method_is_jitted = NULL;
980 stack->written_frames = NULL;
984 thread_stack_free (ProfilerThreadStack *stack) {
987 stack->last_saved_top = 0;
988 stack->last_written_frame = 0;
989 if (stack->stack != NULL) {
990 g_free (stack->stack);
993 if (stack->method_is_jitted != NULL) {
994 g_free (stack->method_is_jitted);
995 stack->method_is_jitted = NULL;
997 if (stack->written_frames != NULL) {
998 g_free (stack->written_frames);
999 stack->written_frames = NULL;
1004 thread_stack_initialize (ProfilerThreadStack *stack, guint32 capacity) {
1005 stack->capacity = capacity;
1007 stack->last_saved_top = 0;
1008 stack->last_written_frame = 0;
1009 stack->stack = g_new0 (MonoMethod*, capacity);
1010 stack->method_is_jitted = g_new0 (guint8, capacity);
1011 stack->written_frames = g_new0 (guint32, capacity);
1015 thread_stack_push_jitted (ProfilerThreadStack *stack, MonoMethod* method, gboolean method_is_jitted) {
1016 if (stack->top >= stack->capacity) {
1017 MonoMethod **old_stack = stack->stack;
1018 guint8 *old_method_is_jitted = stack->method_is_jitted;
1019 guint32 *old_written_frames = stack->written_frames;
1020 guint32 top = stack->top;
1021 guint32 last_saved_top = stack->last_saved_top;
1022 guint32 last_written_frame = stack->last_written_frame;
1023 thread_stack_initialize (stack, stack->capacity * 2);
1024 memcpy (stack->stack, old_stack, top * sizeof (MonoMethod*));
1025 memcpy (stack->method_is_jitted, old_method_is_jitted, top * sizeof (guint8));
1026 memcpy (stack->written_frames, old_written_frames, top * sizeof (guint32));
1028 g_free (old_method_is_jitted);
1029 g_free (old_written_frames);
1031 stack->last_saved_top = last_saved_top;
1032 stack->last_written_frame = last_written_frame;
1034 stack->stack [stack->top] = method;
1035 stack->method_is_jitted [stack->top] = method_is_jitted;
1040 thread_stack_push (ProfilerThreadStack *stack, MonoMethod* method) {
1041 thread_stack_push_jitted (stack, method, FALSE);
1045 thread_stack_pop (ProfilerThreadStack *stack) {
1046 if (stack->top > 0) {
1048 if (stack->last_saved_top > stack->top) {
1049 stack->last_saved_top = stack->top;
1051 return stack->stack [stack->top];
1058 thread_stack_top (ProfilerThreadStack *stack) {
1059 if (stack->top > 0) {
1060 return stack->stack [stack->top - 1];
1067 thread_stack_top_is_jitted (ProfilerThreadStack *stack) {
1068 if (stack->top > 0) {
1069 return stack->method_is_jitted [stack->top - 1];
1076 thread_stack_index_from_top (ProfilerThreadStack *stack, int index) {
1077 if (stack->top > index) {
1078 return stack->stack [stack->top - (index + 1)];
1085 thread_stack_index_from_top_is_jitted (ProfilerThreadStack *stack, int index) {
1086 if (stack->top > index) {
1087 return stack->method_is_jitted [stack->top - (index + 1)];
1094 thread_stack_push_safely (ProfilerThreadStack *stack, MonoMethod* method) {
1095 if (stack->stack != NULL) {
1096 thread_stack_push (stack, method);
1101 thread_stack_push_jitted_safely (ProfilerThreadStack *stack, MonoMethod* method, gboolean method_is_jitted) {
1102 if (stack->stack != NULL) {
1103 thread_stack_push_jitted (stack, method, method_is_jitted);
1108 thread_stack_count_unsaved_frames (ProfilerThreadStack *stack) {
1109 int result = stack->top - stack->last_saved_top;
1110 return (result > 0) ? result : 0;
1114 thread_stack_get_last_written_frame (ProfilerThreadStack *stack) {
1115 return stack->last_written_frame;
1119 thread_stack_set_last_written_frame (ProfilerThreadStack *stack, int last_written_frame) {
1120 stack->last_written_frame = last_written_frame;
1123 static inline guint32
1124 thread_stack_written_frame_at_index (ProfilerThreadStack *stack, int index) {
1125 return stack->written_frames [index];
1129 thread_stack_write_frame_at_index (ProfilerThreadStack *stack, int index, guint32 method_id_and_is_jitted) {
1130 stack->written_frames [index] = method_id_and_is_jitted;
1133 static ClassIdMappingElement*
1134 class_id_mapping_element_get (MonoClass *klass) {
1135 return g_hash_table_lookup (profiler->classes->table, (gconstpointer) klass);
1138 static MethodIdMappingElement*
1139 method_id_mapping_element_get (MonoMethod *method) {
1140 return g_hash_table_lookup (profiler->methods->table, (gconstpointer) method);
1143 #define BITS_TO_BYTES(v) do {\
1149 static ClassIdMappingElement*
1150 class_id_mapping_element_new (MonoClass *klass) {
1151 ClassIdMappingElement *result = g_new (ClassIdMappingElement, 1);
1153 result->name = mono_type_full_name (mono_class_get_type (klass));
1154 result->klass = klass;
1155 result->next_unwritten = profiler->classes->unwritten;
1156 profiler->classes->unwritten = result;
1157 result->id = profiler->classes->next_id;
1158 profiler->classes->next_id ++;
1160 result->data.bitmap.compact = 0;
1161 result->data.layout.slots = CLASS_LAYOUT_NOT_INITIALIZED;
1162 result->data.layout.references = CLASS_LAYOUT_NOT_INITIALIZED;
1164 g_hash_table_insert (profiler->classes->table, klass, result);
1166 #if (DEBUG_MAPPING_EVENTS)
1167 printf ("Created new CLASS mapping element \"%s\" (%p)[%d]\n", result->name, klass, result->id);
1173 class_id_mapping_element_build_layout_bitmap (MonoClass *klass, ClassIdMappingElement *klass_id) {
1174 MonoClass *parent_class = mono_class_get_parent (klass);
1175 int number_of_reference_fields = 0;
1176 int max_offset_of_reference_fields = 0;
1177 ClassIdMappingElement *parent_id;
1179 MonoClassField *field;
1181 #if (DEBUG_CLASS_BITMAPS)
1182 printf ("class_id_mapping_element_build_layout_bitmap: building layout for class %s.%s: ", mono_class_get_namespace (klass), mono_class_get_name (klass));
1185 if (parent_class != NULL) {
1186 parent_id = class_id_mapping_element_get (parent_class);
1187 g_assert (parent_id != NULL);
1189 if (parent_id->data.layout.slots == CLASS_LAYOUT_NOT_INITIALIZED) {
1190 #if (DEBUG_CLASS_BITMAPS)
1191 printf ("[recursively building bitmap for father class]\n");
1193 class_id_mapping_element_build_layout_bitmap (parent_class, parent_id);
1200 while ((field = mono_class_get_fields (klass, &iter)) != NULL) {
1201 MonoType* field_type = mono_field_get_type (field);
1202 // For now, skip static fields
1203 if (mono_field_get_flags (field) & 0x0010 /*FIELD_ATTRIBUTE_STATIC*/)
1206 if (MONO_TYPE_IS_REFERENCE (field_type)) {
1207 int field_offset = mono_field_get_offset (field) - sizeof (MonoObject);
1208 if (field_offset > max_offset_of_reference_fields) {
1209 max_offset_of_reference_fields = field_offset;
1211 number_of_reference_fields ++;
1213 MonoClass *field_class = mono_class_from_mono_type (field_type);
1214 if (field_class && mono_class_is_valuetype (field_class)) {
1215 ClassIdMappingElement *field_id = class_id_mapping_element_get (field_class);
1216 g_assert (field_id != NULL);
1218 if (field_id->data.layout.slots == CLASS_LAYOUT_NOT_INITIALIZED) {
1219 if (field_id != klass_id) {
1220 #if (DEBUG_CLASS_BITMAPS)
1221 printf ("[recursively building bitmap for field %s]\n", mono_field_get_name (field));
1223 class_id_mapping_element_build_layout_bitmap (field_class, field_id);
1225 #if (DEBUG_CLASS_BITMAPS)
1226 printf ("[breaking recursive bitmap build for field %s]", mono_field_get_name (field));
1229 klass_id->data.bitmap.compact = 0;
1230 klass_id->data.layout.slots = 0;
1231 klass_id->data.layout.references = 0;
1235 if (field_id->data.layout.references > 0) {
1236 int field_offset = mono_field_get_offset (field) - sizeof (MonoObject);
1237 int max_offset_reference_in_field = (field_id->data.layout.slots - 1) * sizeof (gpointer);
1239 if ((field_offset + max_offset_reference_in_field) > max_offset_of_reference_fields) {
1240 max_offset_of_reference_fields = field_offset + max_offset_reference_in_field;
1243 number_of_reference_fields += field_id->data.layout.references;
1249 #if (DEBUG_CLASS_BITMAPS)
1250 printf ("[allocating bitmap for class %s.%s (references %d, max offset %d, slots %d)]", mono_class_get_namespace (klass), mono_class_get_name (klass), number_of_reference_fields, max_offset_of_reference_fields, (int)(max_offset_of_reference_fields / sizeof (gpointer)) + 1);
1252 if ((number_of_reference_fields == 0) && ((parent_id == NULL) || (parent_id->data.layout.references == 0))) {
1253 #if (DEBUG_CLASS_BITMAPS)
1254 printf ("[no references at all]");
1256 klass_id->data.bitmap.compact = 0;
1257 klass_id->data.layout.slots = 0;
1258 klass_id->data.layout.references = 0;
1260 if ((parent_id != NULL) && (parent_id->data.layout.references > 0)) {
1261 #if (DEBUG_CLASS_BITMAPS)
1262 printf ("[parent %s.%s has %d references in %d slots]", mono_class_get_namespace (parent_class), mono_class_get_name (parent_class), parent_id->data.layout.references, parent_id->data.layout.slots);
1264 klass_id->data.layout.slots = parent_id->data.layout.slots;
1265 klass_id->data.layout.references = parent_id->data.layout.references;
1267 #if (DEBUG_CLASS_BITMAPS)
1268 printf ("[no references from parent]");
1270 klass_id->data.layout.slots = 0;
1271 klass_id->data.layout.references = 0;
1274 if (number_of_reference_fields > 0) {
1275 klass_id->data.layout.slots += ((max_offset_of_reference_fields / sizeof (gpointer)) + 1);
1276 klass_id->data.layout.references += number_of_reference_fields;
1277 #if (DEBUG_CLASS_BITMAPS)
1278 printf ("[adding data, going to %d references in %d slots]", klass_id->data.layout.references, klass_id->data.layout.slots);
1282 if (klass_id->data.layout.slots <= CLASS_LAYOUT_PACKED_BITMAP_SIZE) {
1283 #if (DEBUG_CLASS_BITMAPS)
1284 printf ("[zeroing bitmap]");
1286 klass_id->data.bitmap.compact = 0;
1287 if ((parent_id != NULL) && (parent_id->data.layout.references > 0)) {
1288 #if (DEBUG_CLASS_BITMAPS)
1289 printf ("[copying compact father bitmap]");
1291 klass_id->data.bitmap.compact = parent_id->data.bitmap.compact;
1294 int size_of_bitmap = klass_id->data.layout.slots;
1295 BITS_TO_BYTES (size_of_bitmap);
1296 #if (DEBUG_CLASS_BITMAPS)
1297 printf ("[allocating %d bytes for bitmap]", size_of_bitmap);
1299 klass_id->data.bitmap.extended = g_malloc0 (size_of_bitmap);
1300 if ((parent_id != NULL) && (parent_id->data.layout.references > 0)) {
1301 int size_of_father_bitmap = parent_id->data.layout.slots;
1302 if (size_of_father_bitmap <= CLASS_LAYOUT_PACKED_BITMAP_SIZE) {
1304 #if (DEBUG_CLASS_BITMAPS)
1305 printf ("[copying %d bits from father bitmap]", size_of_father_bitmap);
1307 for (father_slot = 0; father_slot < size_of_father_bitmap; father_slot ++) {
1308 if (parent_id->data.bitmap.compact & (((guint64)1) << father_slot)) {
1309 klass_id->data.bitmap.extended [father_slot >> 3] |= (1 << (father_slot & 7));
1313 BITS_TO_BYTES (size_of_father_bitmap);
1314 #if (DEBUG_CLASS_BITMAPS)
1315 printf ("[copying %d bytes from father bitmap]", size_of_father_bitmap);
1317 memcpy (klass_id->data.bitmap.extended, parent_id->data.bitmap.extended, size_of_father_bitmap);
1323 #if (DEBUG_CLASS_BITMAPS)
1324 printf ("[starting filling iteration]\n");
1327 while ((field = mono_class_get_fields (klass, &iter)) != NULL) {
1328 MonoType* field_type = mono_field_get_type (field);
1329 // For now, skip static fields
1330 if (mono_field_get_flags (field) & 0x0010 /*FIELD_ATTRIBUTE_STATIC*/)
1333 #if (DEBUG_CLASS_BITMAPS)
1334 printf ("[Working on field %s]", mono_field_get_name (field));
1336 if (MONO_TYPE_IS_REFERENCE (field_type)) {
1337 int field_offset = mono_field_get_offset (field) - sizeof (MonoObject);
1339 g_assert ((field_offset % sizeof (gpointer)) == 0);
1340 field_slot = field_offset / sizeof (gpointer);
1341 if (klass_id->data.layout.slots <= CLASS_LAYOUT_PACKED_BITMAP_SIZE) {
1342 klass_id->data.bitmap.compact |= (((guint64)1) << field_slot);
1344 klass_id->data.bitmap.extended [field_slot >> 3] |= (1 << (field_slot & 7));
1346 #if (DEBUG_CLASS_BITMAPS)
1347 printf ("[reference at offset %d, slot %d]", field_offset, field_slot);
1350 MonoClass *field_class = mono_class_from_mono_type (field_type);
1351 if (field_class && mono_class_is_valuetype (field_class)) {
1352 ClassIdMappingElement *field_id = class_id_mapping_element_get (field_class);
1356 g_assert (field_id != NULL);
1357 field_offset = mono_field_get_offset (field) - sizeof (MonoObject);
1358 g_assert ((field_id->data.layout.references == 0) || ((field_offset % sizeof (gpointer)) == 0));
1359 field_slot = field_offset / sizeof (gpointer);
1360 #if (DEBUG_CLASS_BITMAPS)
1361 printf ("[value type at offset %d, slot %d, with %d references in %d slots]", field_offset, field_slot, field_id->data.layout.references, field_id->data.layout.slots);
1364 if (field_id->data.layout.references > 0) {
1366 if (field_id->data.layout.slots <= CLASS_LAYOUT_PACKED_BITMAP_SIZE) {
1367 for (sub_field_slot = 0; sub_field_slot < field_id->data.layout.slots; sub_field_slot ++) {
1368 if (field_id->data.bitmap.compact & (((guint64)1) << sub_field_slot)) {
1369 int actual_slot = field_slot + sub_field_slot;
1370 if (klass_id->data.layout.slots <= CLASS_LAYOUT_PACKED_BITMAP_SIZE) {
1371 klass_id->data.bitmap.compact |= (((guint64)1) << actual_slot);
1373 klass_id->data.bitmap.extended [actual_slot >> 3] |= (1 << (actual_slot & 7));
1378 for (sub_field_slot = 0; sub_field_slot < field_id->data.layout.slots; sub_field_slot ++) {
1379 if (field_id->data.bitmap.extended [sub_field_slot >> 3] & (1 << (sub_field_slot & 7))) {
1380 int actual_slot = field_slot + sub_field_slot;
1381 if (klass_id->data.layout.slots <= CLASS_LAYOUT_PACKED_BITMAP_SIZE) {
1382 klass_id->data.bitmap.compact |= (((guint64)1) << actual_slot);
1384 klass_id->data.bitmap.extended [actual_slot >> 3] |= (1 << (actual_slot & 7));
1393 #if (DEBUG_CLASS_BITMAPS)
1396 printf ("\nLayot of class \"%s.%s\": references %d, slots %d, bitmap {", mono_class_get_namespace (klass), mono_class_get_name (klass), klass_id->data.layout.references, klass_id->data.layout.slots);
1397 for (slot = 0; slot < klass_id->data.layout.slots; slot ++) {
1398 if (klass_id->data.layout.slots <= CLASS_LAYOUT_PACKED_BITMAP_SIZE) {
1399 if (klass_id->data.bitmap.compact & (((guint64)1) << slot)) {
1405 if (klass_id->data.bitmap.extended [slot >> 3] & (1 << (slot & 7))) {
1419 static MethodIdMappingElement*
1420 method_id_mapping_element_new (MonoMethod *method) {
1421 MethodIdMappingElement *result = g_new (MethodIdMappingElement, 1);
1422 char *signature = mono_signature_get_desc (mono_method_signature (method), TRUE);
1424 result->name = g_strdup_printf ("%s (%s)", mono_method_get_name (method), signature);
1426 result->method = method;
1427 result->next_unwritten = profiler->methods->unwritten;
1428 profiler->methods->unwritten = result;
1429 result->id = profiler->methods->next_id;
1430 profiler->methods->next_id ++;
1431 g_hash_table_insert (profiler->methods->table, method, result);
1433 result->data.code_start = NULL;
1434 result->data.code_size = 0;
1436 #if (DEBUG_MAPPING_EVENTS)
1437 printf ("Created new METHOD mapping element \"%s\" (%p)[%d]\n", result->name, method, result->id);
1444 method_id_mapping_element_destroy (gpointer element) {
1445 MethodIdMappingElement *e = (MethodIdMappingElement*) element;
1452 class_id_mapping_element_destroy (gpointer element) {
1453 ClassIdMappingElement *e = (ClassIdMappingElement*) element;
1456 if ((e->data.layout.slots != CLASS_LAYOUT_NOT_INITIALIZED) && (e->data.layout.slots > CLASS_LAYOUT_PACKED_BITMAP_SIZE))
1457 g_free (e->data.bitmap.extended);
1461 static MethodIdMapping*
1462 method_id_mapping_new (void) {
1463 MethodIdMapping *result = g_new (MethodIdMapping, 1);
1464 //result->table = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, method_id_mapping_element_destroy);
1465 result->table = g_hash_table_new_full (g_direct_hash, NULL, NULL, method_id_mapping_element_destroy);
1466 result->unwritten = NULL;
1467 result->next_id = 1;
1471 static ClassIdMapping*
1472 class_id_mapping_new (void) {
1473 ClassIdMapping *result = g_new (ClassIdMapping, 1);
1474 //result->table = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, class_id_mapping_element_destroy);
1475 result->table = g_hash_table_new_full (g_direct_hash, NULL, NULL, class_id_mapping_element_destroy);
1476 result->unwritten = NULL;
1477 result->next_id = 1;
1482 method_id_mapping_destroy (MethodIdMapping *map) {
1483 g_hash_table_destroy (map->table);
1488 class_id_mapping_destroy (ClassIdMapping *map) {
1489 g_hash_table_destroy (map->table);
1493 #if (DEBUG_LOAD_EVENTS)
1495 print_load_event (const char *event_name, GHashTable *table, gpointer item, LoadedElement *element);
1498 static LoadedElement*
1499 loaded_element_load_start (GHashTable *table, gpointer item) {
1500 LoadedElement *element = g_new0 (LoadedElement, 1);
1501 element->id = profiler->loaded_element_next_free_id;
1502 profiler->loaded_element_next_free_id ++;
1503 #if (DEBUG_LOAD_EVENTS)
1504 print_load_event ("LOAD START", table, item, element);
1506 MONO_PROFILER_GET_CURRENT_COUNTER (element->load_start_counter);
1507 g_hash_table_insert (table, item, element);
1511 static LoadedElement*
1512 loaded_element_load_end (GHashTable *table, gpointer item, char *name) {
1513 LoadedElement *element = g_hash_table_lookup (table, item);
1514 #if (DEBUG_LOAD_EVENTS)
1515 print_load_event ("LOAD END", table, item, element);
1517 g_assert (element != NULL);
1518 MONO_PROFILER_GET_CURRENT_COUNTER (element->load_end_counter);
1519 element->name = name;
1520 element->loaded = TRUE;
1524 static LoadedElement*
1525 loaded_element_unload_start (GHashTable *table, gpointer item) {
1526 LoadedElement *element = g_hash_table_lookup (table, item);
1527 #if (DEBUG_LOAD_EVENTS)
1528 print_load_event ("UNLOAD START", table, item, element);
1530 g_assert (element != NULL);
1531 MONO_PROFILER_GET_CURRENT_COUNTER (element->unload_start_counter);
1535 static LoadedElement*
1536 loaded_element_unload_end (GHashTable *table, gpointer item) {
1537 LoadedElement *element = g_hash_table_lookup (table, item);
1538 #if (DEBUG_LOAD_EVENTS)
1539 print_load_event ("UNLOAD END", table, item, element);
1541 g_assert (element != NULL);
1542 MONO_PROFILER_GET_CURRENT_COUNTER (element->unload_end_counter);
1543 element->unloaded = TRUE;
1547 static LoadedElement*
1548 loaded_element_find (GHashTable *table, gpointer item) {
1549 LoadedElement *element = g_hash_table_lookup (table, item);
1554 loaded_element_get_id (GHashTable *table, gpointer item) {
1555 LoadedElement *element = loaded_element_find (table, item);
1556 if (element != NULL) {
1564 loaded_element_destroy (gpointer element) {
1565 if (((LoadedElement*)element)->name)
1566 g_free (((LoadedElement*)element)->name);
1570 #if (DEBUG_LOAD_EVENTS)
1572 print_load_event (const char *event_name, GHashTable *table, gpointer item, LoadedElement *element) {
1573 const char* item_name;
1576 if (table == profiler->loaded_assemblies) {
1577 //item_info = g_strdup_printf("ASSEMBLY %p (dynamic %d)", item, mono_image_is_dynamic (mono_assembly_get_image((MonoAssembly*)item)));
1578 item_info = g_strdup_printf("ASSEMBLY %p", item);
1579 } else if (table == profiler->loaded_modules) {
1580 //item_info = g_strdup_printf("MODULE %p (dynamic %d)", item, mono_image_is_dynamic ((MonoImage*)item));
1581 item_info = g_strdup_printf("MODULE %p", item);
1582 } else if (table == profiler->loaded_appdomains) {
1583 item_info = g_strdup_printf("APPDOMAIN %p (id %d)", item, mono_domain_get_id ((MonoDomain*)item));
1586 g_assert_not_reached ();
1589 if (element != NULL) {
1590 item_name = element->name;
1592 item_name = "<NULL>";
1595 printf ("%s EVENT for %s (%s [id %d])\n", event_name, item_info, item_name, element->id);
1601 profiler_heap_shot_object_buffers_destroy (ProfilerHeapShotObjectBuffer *buffer) {
1602 while (buffer != NULL) {
1603 ProfilerHeapShotObjectBuffer *next = buffer->next;
1604 #if DEBUG_HEAP_PROFILER
1605 printf ("profiler_heap_shot_object_buffers_destroy: destroyed buffer %p (%p-%p)\n", buffer, & (buffer->buffer [0]), buffer->end);
1612 static ProfilerHeapShotObjectBuffer*
1613 profiler_heap_shot_object_buffer_new (ProfilerPerThreadData *data) {
1614 ProfilerHeapShotObjectBuffer *buffer;
1615 ProfilerHeapShotObjectBuffer *result = g_new (ProfilerHeapShotObjectBuffer, 1);
1616 result->next_free_slot = & (result->buffer [0]);
1617 result->end = & (result->buffer [PROFILER_HEAP_SHOT_OBJECT_BUFFER_SIZE]);
1618 result->first_unprocessed_slot = & (result->buffer [0]);
1619 result->next = data->heap_shot_object_buffers;
1620 data->heap_shot_object_buffers = result;
1621 #if DEBUG_HEAP_PROFILER
1622 printf ("profiler_heap_shot_object_buffer_new: created buffer %p (%p-%p)\n", result, result->next_free_slot, result->end);
1624 for (buffer = result; buffer != NULL; buffer = buffer->next) {
1625 ProfilerHeapShotObjectBuffer *last = buffer->next;
1626 if ((last != NULL) && (last->first_unprocessed_slot == last->end)) {
1627 buffer->next = NULL;
1628 profiler_heap_shot_object_buffers_destroy (last);
1635 static ProfilerHeapShotWriteJob*
1636 profiler_heap_shot_write_job_new (gboolean heap_shot_was_requested, gboolean dump_heap_data, guint32 collection) {
1637 ProfilerHeapShotWriteJob *job = g_new (ProfilerHeapShotWriteJob, 1);
1639 job->next_unwritten = NULL;
1641 if (profiler->action_flags.unreachable_objects || dump_heap_data) {
1642 job->buffers = g_new (ProfilerHeapShotWriteBuffer, 1);
1643 job->buffers->next = NULL;
1644 job->last_next = & (job->buffers->next);
1645 job->start = & (job->buffers->buffer [0]);
1646 job->cursor = job->start;
1647 job->end = & (job->buffers->buffer [PROFILER_HEAP_SHOT_WRITE_BUFFER_SIZE]);
1649 job->buffers = NULL;
1650 job->last_next = NULL;
1655 job->full_buffers = 0;
1657 if (profiler->action_flags.collection_summary) {
1658 job->summary.capacity = profiler->classes->next_id;
1659 job->summary.per_class_data = g_new0 (ProfilerHeapShotClassSummary, job->summary.capacity);
1661 job->summary.capacity = 0;
1662 job->summary.per_class_data = NULL;
1665 job->heap_shot_was_requested = heap_shot_was_requested;
1666 job->collection = collection;
1667 job->dump_heap_data = dump_heap_data;
1668 #if DEBUG_HEAP_PROFILER
1669 printf ("profiler_heap_shot_write_job_new: created job %p with buffer %p(%p-%p) (collection %d, dump %d)\n", job, job->buffers, job->start, job->end, collection, dump_heap_data);
1675 profiler_heap_shot_write_job_has_data (ProfilerHeapShotWriteJob *job) {
1676 return ((job->buffers != NULL) || (job->summary.capacity > 0));
1680 profiler_heap_shot_write_job_add_buffer (ProfilerHeapShotWriteJob *job, gpointer value) {
1681 ProfilerHeapShotWriteBuffer *buffer = g_new (ProfilerHeapShotWriteBuffer, 1);
1682 buffer->next = NULL;
1683 *(job->last_next) = buffer;
1684 job->last_next = & (buffer->next);
1685 job->full_buffers ++;
1686 buffer->buffer [0] = value;
1687 job->start = & (buffer->buffer [0]);
1688 job->cursor = & (buffer->buffer [1]);
1689 job->end = & (buffer->buffer [PROFILER_HEAP_SHOT_WRITE_BUFFER_SIZE]);
1690 #if DEBUG_HEAP_PROFILER
1691 printf ("profiler_heap_shot_write_job_add_buffer: in job %p, added buffer %p(%p-%p) with value %p at address %p (cursor now %p)\n", job, buffer, job->start, job->end, value, &(buffer->buffer [0]), job->cursor);
1693 ProfilerHeapShotWriteBuffer *current_buffer;
1694 for (current_buffer = job->buffers; current_buffer != NULL; current_buffer = current_buffer->next) {
1695 printf ("profiler_heap_shot_write_job_add_buffer: now job %p has buffer %p\n", job, current_buffer);
1702 profiler_heap_shot_write_job_free_buffers (ProfilerHeapShotWriteJob *job) {
1703 ProfilerHeapShotWriteBuffer *buffer = job->buffers;
1705 while (buffer != NULL) {
1706 ProfilerHeapShotWriteBuffer *next = buffer->next;
1707 #if DEBUG_HEAP_PROFILER
1708 printf ("profiler_heap_shot_write_job_free_buffers: in job %p, freeing buffer %p\n", job, buffer);
1714 job->buffers = NULL;
1716 if (job->summary.per_class_data != NULL) {
1717 g_free (job->summary.per_class_data);
1718 job->summary.per_class_data = NULL;
1720 job->summary.capacity = 0;
1724 profiler_heap_shot_write_block (ProfilerHeapShotWriteJob *job);
1727 profiler_process_heap_shot_write_jobs (void) {
1728 gboolean done = FALSE;
1731 ProfilerHeapShotWriteJob *current_job = profiler->heap_shot_write_jobs;
1732 ProfilerHeapShotWriteJob *previous_job = NULL;
1733 ProfilerHeapShotWriteJob *next_job;
1736 while (current_job != NULL) {
1737 next_job = current_job->next_unwritten;
1739 if (next_job != NULL) {
1740 if (profiler_heap_shot_write_job_has_data (current_job)) {
1743 if (! profiler_heap_shot_write_job_has_data (next_job)) {
1744 current_job->next_unwritten = NULL;
1748 if (profiler_heap_shot_write_job_has_data (current_job)) {
1749 LOG_WRITER_THREAD ("profiler_process_heap_shot_write_jobs: writing...");
1750 profiler_heap_shot_write_block (current_job);
1751 LOG_WRITER_THREAD ("profiler_process_heap_shot_write_jobs: done");
1752 if (previous_job != NULL) {
1753 previous_job->next_unwritten = NULL;
1758 previous_job = current_job;
1759 current_job = next_job;
1765 profiler_free_heap_shot_write_jobs (void) {
1766 ProfilerHeapShotWriteJob *current_job = profiler->heap_shot_write_jobs;
1767 ProfilerHeapShotWriteJob *next_job;
1769 if (current_job != NULL) {
1770 while (current_job->next_unwritten != NULL) {
1771 #if DEBUG_HEAP_PROFILER
1772 printf ("profiler_free_heap_shot_write_jobs: job %p must not be freed\n", current_job);
1774 current_job = current_job->next_unwritten;
1777 next_job = current_job->next;
1778 current_job->next = NULL;
1779 current_job = next_job;
1781 while (current_job != NULL) {
1782 #if DEBUG_HEAP_PROFILER
1783 printf ("profiler_free_heap_shot_write_jobs: job %p will be freed\n", current_job);
1785 next_job = current_job->next;
1786 profiler_heap_shot_write_job_free_buffers (current_job);
1787 g_free (current_job);
1788 current_job = next_job;
1794 profiler_destroy_heap_shot_write_jobs (void) {
1795 ProfilerHeapShotWriteJob *current_job = profiler->heap_shot_write_jobs;
1796 ProfilerHeapShotWriteJob *next_job;
1798 while (current_job != NULL) {
1799 next_job = current_job->next;
1800 profiler_heap_shot_write_job_free_buffers (current_job);
1801 g_free (current_job);
1802 current_job = next_job;
1807 profiler_add_heap_shot_write_job (ProfilerHeapShotWriteJob *job) {
1808 job->next = profiler->heap_shot_write_jobs;
1809 job->next_unwritten = job->next;
1810 profiler->heap_shot_write_jobs = job;
1811 #if DEBUG_HEAP_PROFILER
1812 printf ("profiler_add_heap_shot_write_job: added job %p\n", job);
1816 #if DEBUG_HEAP_PROFILER
1817 #define STORE_ALLOCATED_OBJECT_MESSAGE1(d,o) printf ("STORE_ALLOCATED_OBJECT[TID %ld]: storing object %p at address %p\n", (d)->thread_id, (o), (d)->heap_shot_object_buffers->next_free_slot)
1818 #define STORE_ALLOCATED_OBJECT_MESSAGE2(d,o) printf ("STORE_ALLOCATED_OBJECT[TID %ld]: storing object %p at address %p in new buffer %p\n", (d)->thread_id, (o), buffer->next_free_slot, buffer)
1820 #define STORE_ALLOCATED_OBJECT_MESSAGE1(d,o)
1821 #define STORE_ALLOCATED_OBJECT_MESSAGE2(d,o)
1823 #define STORE_ALLOCATED_OBJECT(d,o) do {\
1824 if ((d)->heap_shot_object_buffers->next_free_slot < (d)->heap_shot_object_buffers->end) {\
1825 STORE_ALLOCATED_OBJECT_MESSAGE1 ((d), (o));\
1826 *((d)->heap_shot_object_buffers->next_free_slot) = (o);\
1827 (d)->heap_shot_object_buffers->next_free_slot ++;\
1829 ProfilerHeapShotObjectBuffer *buffer = profiler_heap_shot_object_buffer_new (d);\
1830 STORE_ALLOCATED_OBJECT_MESSAGE2 ((d), (o));\
1831 *((buffer)->next_free_slot) = (o);\
1832 (buffer)->next_free_slot ++;\
1836 static ProfilerPerThreadData*
1837 profiler_per_thread_data_new (guint32 buffer_size)
1839 ProfilerPerThreadData *data = g_new (ProfilerPerThreadData, 1);
1841 data->events = g_new0 (ProfilerEventData, buffer_size);
1842 data->next_free_event = data->events;
1843 data->next_unreserved_event = data->events;
1844 data->end_event = data->events + (buffer_size - 1);
1845 data->first_unwritten_event = data->events;
1846 data->first_unmapped_event = data->events;
1847 MONO_PROFILER_GET_CURRENT_COUNTER (data->start_event_counter);
1848 data->last_event_counter = data->start_event_counter;
1849 data->thread_id = CURRENT_THREAD_ID ();
1850 data->heap_shot_object_buffers = NULL;
1851 if ((profiler->action_flags.unreachable_objects == TRUE) ||
1852 (profiler->action_flags.heap_shot == TRUE) ||
1853 (profiler->action_flags.collection_summary == TRUE)) {
1854 profiler_heap_shot_object_buffer_new (data);
1856 if (profiler->action_flags.track_stack) {
1857 thread_stack_initialize (&(data->stack), 64);
1859 thread_stack_initialize_empty (&(data->stack));
1865 profiler_per_thread_data_destroy (ProfilerPerThreadData *data) {
1866 g_free (data->events);
1867 profiler_heap_shot_object_buffers_destroy (data->heap_shot_object_buffers);
1868 thread_stack_free (&(data->stack));
1872 static ProfilerStatisticalData*
1873 profiler_statistical_data_new (MonoProfiler *profiler) {
1874 int buffer_size = profiler->statistical_buffer_size * (profiler->statistical_call_chain_depth + 1);
1875 ProfilerStatisticalData *data = g_new (ProfilerStatisticalData, 1);
1877 data->hits = g_new0 (ProfilerStatisticalHit, buffer_size);
1878 data->next_free_index = 0;
1879 data->end_index = profiler->statistical_buffer_size;
1880 data->first_unwritten_index = 0;
1886 profiler_statistical_data_destroy (ProfilerStatisticalData *data) {
1887 g_free (data->hits);
1891 static ProfilerCodeBufferArray*
1892 profiler_code_buffer_array_new (ProfilerCodeBufferArray *child) {
1893 ProfilerCodeBufferArray *result = g_new0 (ProfilerCodeBufferArray, 1);
1894 if (child == NULL) {
1897 result->level = child->level + 1;
1898 result->number_of_buffers = 1;
1899 result->buffers [0].info.data.sub_buffers = child;
1900 result->buffers [0].start = child->buffers [0].start;
1901 result->buffers [0].end = child->buffers [child->number_of_buffers - 1].end;
1907 profiler_code_buffer_array_destroy (ProfilerCodeBufferArray *buffers) {
1908 if (buffers->level > 0) {
1910 for (i = 0; i < buffers->number_of_buffers; i++) {
1911 ProfilerCodeBufferArray *sub_buffers = buffers->buffers [i].info.data.sub_buffers;
1912 profiler_code_buffer_array_destroy (sub_buffers);
1919 profiler_code_buffer_array_is_full (ProfilerCodeBufferArray *buffers) {
1920 while (buffers->level > 0) {
1921 ProfilerCodeBufferArray *next;
1922 if (buffers->number_of_buffers < PROFILER_CODE_BUFFER_ARRAY_SIZE) {
1925 next = buffers->buffers [PROFILER_CODE_BUFFER_ARRAY_SIZE - 1].info.data.sub_buffers;
1926 if (next->level < (buffers->level - 1)) {
1931 return (buffers->number_of_buffers == PROFILER_CODE_BUFFER_ARRAY_SIZE);
1934 static ProfilerCodeBufferArray*
1935 profiler_code_buffer_add (ProfilerCodeBufferArray *buffers, gpointer *buffer, int size, MonoProfilerCodeBufferType type, void *data) {
1936 if (buffers == NULL) {
1937 buffers = profiler_code_buffer_array_new (NULL);
1940 if (profiler_code_buffer_array_is_full (buffers)) {
1941 ProfilerCodeBufferArray *new_slot = profiler_code_buffer_add (NULL, buffer, size, type, data);
1942 buffers = profiler_code_buffer_array_new (buffers);
1943 buffers->buffers [buffers->number_of_buffers].info.data.sub_buffers = new_slot;
1944 buffers->buffers [buffers->number_of_buffers].start = new_slot->buffers [0].start;
1945 buffers->buffers [buffers->number_of_buffers].end = new_slot->buffers [new_slot->number_of_buffers - 1].end;
1946 buffers->number_of_buffers ++;
1947 } else if (buffers->level > 0) {
1948 ProfilerCodeBufferArray *new_slot = profiler_code_buffer_add (buffers->buffers [buffers->number_of_buffers - 1].info.data.sub_buffers, buffer, size, type, data);
1949 buffers->buffers [buffers->number_of_buffers - 1].info.data.sub_buffers = new_slot;
1950 buffers->buffers [buffers->number_of_buffers - 1].start = new_slot->buffers [0].start;
1951 buffers->buffers [buffers->number_of_buffers - 1].end = new_slot->buffers [new_slot->number_of_buffers - 1].end;
1953 buffers->buffers [buffers->number_of_buffers].start = buffer;
1954 buffers->buffers [buffers->number_of_buffers].end = (((guint8*) buffer) + size);
1955 buffers->buffers [buffers->number_of_buffers].info.type = type;
1957 case MONO_PROFILER_CODE_BUFFER_UNKNOWN:
1958 buffers->buffers [buffers->number_of_buffers].info.data.data = NULL;
1960 case MONO_PROFILER_CODE_BUFFER_METHOD:
1961 buffers->buffers [buffers->number_of_buffers].info.data.method = data;
1964 buffers->buffers [buffers->number_of_buffers].info.type = MONO_PROFILER_CODE_BUFFER_UNKNOWN;
1965 buffers->buffers [buffers->number_of_buffers].info.data.data = NULL;
1967 buffers->number_of_buffers ++;
1972 static ProfilerCodeBuffer*
1973 profiler_code_buffer_find (ProfilerCodeBufferArray *buffers, gpointer *address) {
1974 if (buffers != NULL) {
1975 ProfilerCodeBuffer *result = NULL;
1978 int high = buffers->number_of_buffers - 1;
1980 while (high != low) {
1981 int middle = low + ((high - low) >> 1);
1983 if ((guint8*) address < (guint8*) buffers->buffers [low].start) {
1986 if ((guint8*) address >= (guint8*) buffers->buffers [high].end) {
1990 if ((guint8*) address < (guint8*) buffers->buffers [middle].start) {
1995 } else if ((guint8*) address >= (guint8*) buffers->buffers [middle].end) {
2006 if (((guint8*) address >= (guint8*) buffers->buffers [low].start) && ((guint8*) address < (guint8*) buffers->buffers [low].end)) {
2007 if (buffers->level == 0) {
2008 result = & (buffers->buffers [low]);
2010 buffers = buffers->buffers [low].info.data.sub_buffers;
2015 } while (result == NULL);
2023 profiler_code_chunk_initialize (ProfilerCodeChunk *chunk, gpointer memory, gsize size) {
2024 chunk->buffers = profiler_code_buffer_array_new (NULL);
2025 chunk->destroyed = FALSE;
2026 chunk->start = memory;
2027 chunk->end = ((guint8*)memory) + size;
2031 profiler_code_chunk_cleanup (ProfilerCodeChunk *chunk) {
2032 if (chunk->buffers != NULL) {
2033 profiler_code_buffer_array_destroy (chunk->buffers);
2034 chunk->buffers = NULL;
2036 chunk->start = NULL;
2041 profiler_code_chunks_initialize (ProfilerCodeChunks *chunks) {
2042 chunks->capacity = 32;
2043 chunks->chunks = g_new0 (ProfilerCodeChunk, 32);
2044 chunks->number_of_chunks = 0;
2048 profiler_code_chunks_cleanup (ProfilerCodeChunks *chunks) {
2050 for (i = 0; i < chunks->number_of_chunks; i++) {
2051 profiler_code_chunk_cleanup (& (chunks->chunks [i]));
2053 chunks->capacity = 0;
2054 chunks->number_of_chunks = 0;
2055 g_free (chunks->chunks);
2056 chunks->chunks = NULL;
2060 compare_code_chunks (const void* c1, const void* c2) {
2061 ProfilerCodeChunk *chunk1 = (ProfilerCodeChunk*) c1;
2062 ProfilerCodeChunk *chunk2 = (ProfilerCodeChunk*) c2;
2063 return ((guint8*) chunk1->end < (guint8*) chunk2->start) ? -1 : (((guint8*) chunk1->start >= (guint8*) chunk2->end) ? 1 : 0);
2067 compare_address_and_code_chunk (const void* a, const void* c) {
2068 gpointer address = (gpointer) a;
2069 ProfilerCodeChunk *chunk = (ProfilerCodeChunk*) c;
2070 return ((guint8*) address < (guint8*) chunk->start) ? -1 : (((guint8*) address >= (guint8*) chunk->end) ? 1 : 0);
2074 profiler_code_chunks_sort (ProfilerCodeChunks *chunks) {
2075 qsort (chunks->chunks, chunks->number_of_chunks, sizeof (ProfilerCodeChunk), compare_code_chunks);
2078 static ProfilerCodeChunk*
2079 profiler_code_chunk_find (ProfilerCodeChunks *chunks, gpointer address) {
2080 return bsearch (address, chunks->chunks, chunks->number_of_chunks, sizeof (ProfilerCodeChunk), compare_address_and_code_chunk);
2083 static ProfilerCodeChunk*
2084 profiler_code_chunk_new (ProfilerCodeChunks *chunks, gpointer memory, gsize size) {
2085 ProfilerCodeChunk *result;
2087 if (chunks->number_of_chunks == chunks->capacity) {
2088 ProfilerCodeChunk *new_chunks = g_new0 (ProfilerCodeChunk, chunks->capacity * 2);
2089 memcpy (new_chunks, chunks->chunks, chunks->capacity * sizeof (ProfilerCodeChunk));
2090 chunks->capacity *= 2;
2091 g_free (chunks->chunks);
2092 chunks->chunks = new_chunks;
2095 result = & (chunks->chunks [chunks->number_of_chunks]);
2096 chunks->number_of_chunks ++;
2097 profiler_code_chunk_initialize (result, memory, size);
2098 profiler_code_chunks_sort (chunks);
2103 profiler_code_chunk_to_index (ProfilerCodeChunks *chunks, ProfilerCodeChunk *chunk) {
2104 return (int) (chunk - chunks->chunks);
2108 profiler_code_chunk_remove (ProfilerCodeChunks *chunks, ProfilerCodeChunk *chunk) {
2109 int index = profiler_code_chunk_to_index (chunks, chunk);
2111 profiler_code_chunk_cleanup (chunk);
2112 if ((index >= 0) && (index < chunks->number_of_chunks)) {
2113 memmove (chunk, chunk + 1, (chunks->number_of_chunks - index) * sizeof (ProfilerCodeChunk));
2117 /* This assumes the profiler lock is held */
2118 static ProfilerCodeBuffer*
2119 profiler_code_buffer_from_address (MonoProfiler *prof, gpointer address) {
2120 ProfilerCodeChunks *chunks = & (prof->code_chunks);
2122 ProfilerCodeChunk *chunk = profiler_code_chunk_find (chunks, address);
2123 if (chunk != NULL) {
2124 return profiler_code_buffer_find (chunk->buffers, address);
2131 profiler_code_chunk_new_callback (MonoProfiler *prof, gpointer address, int size) {
2132 ProfilerCodeChunks *chunks = & (prof->code_chunks);
2134 if (prof->code_chunks.chunks != NULL) {
2136 profiler_code_chunk_new (chunks, address, size);
2142 profiler_code_chunk_destroy_callback (MonoProfiler *prof, gpointer address) {
2143 ProfilerCodeChunks *chunks = & (prof->code_chunks);
2144 ProfilerCodeChunk *chunk;
2146 if (prof->code_chunks.chunks != NULL) {
2148 chunk = profiler_code_chunk_find (chunks, address);
2149 if (chunk != NULL) {
2150 profiler_code_chunk_remove (chunks, chunk);
2157 profiler_code_buffer_new_callback (MonoProfiler *prof, gpointer address, int size, MonoProfilerCodeBufferType type, void *data) {
2158 ProfilerCodeChunks *chunks = & (prof->code_chunks);
2159 ProfilerCodeChunk *chunk;
2161 if (prof->code_chunks.chunks != NULL) {
2163 chunk = profiler_code_chunk_find (chunks, address);
2164 if (chunk != NULL) {
2165 chunk->buffers = profiler_code_buffer_add (chunk->buffers, address, size, type, data);
2172 profiler_add_write_buffer (void) {
2173 if (profiler->current_write_buffer->next == NULL) {
2174 profiler->current_write_buffer->next = g_malloc (sizeof (ProfilerFileWriteBuffer) + PROFILER_FILE_WRITE_BUFFER_SIZE);
2175 profiler->current_write_buffer->next->next = NULL;
2177 //printf ("Added next buffer %p, to buffer %p\n", profiler->current_write_buffer->next, profiler->current_write_buffer);
2180 profiler->current_write_buffer = profiler->current_write_buffer->next;
2181 profiler->current_write_position = 0;
2182 profiler->full_write_buffers ++;
2186 profiler_free_write_buffers (void) {
2187 ProfilerFileWriteBuffer *current_buffer = profiler->write_buffers;
2188 while (current_buffer != NULL) {
2189 ProfilerFileWriteBuffer *next_buffer = current_buffer->next;
2191 //printf ("Freeing write buffer %p, next is %p\n", current_buffer, next_buffer);
2193 g_free (current_buffer);
2194 current_buffer = next_buffer;
2198 #define WRITE_BYTE(b) do {\
2199 if (profiler->current_write_position >= PROFILER_FILE_WRITE_BUFFER_SIZE) {\
2200 profiler_add_write_buffer ();\
2202 profiler->current_write_buffer->buffer [profiler->current_write_position] = (b);\
2203 profiler->current_write_position ++;\
2206 #if (DEBUG_FILE_WRITES)
2207 static int bytes_written = 0;
2211 write_current_block (guint16 code) {
2212 guint32 size = (profiler->full_write_buffers * PROFILER_FILE_WRITE_BUFFER_SIZE) + profiler->current_write_position;
2213 ProfilerFileWriteBuffer *current_buffer = profiler->write_buffers;
2214 guint64 current_counter;
2215 guint32 counter_delta;
2218 MONO_PROFILER_GET_CURRENT_COUNTER (current_counter);
2219 if (profiler->last_header_counter != 0) {
2220 counter_delta = current_counter - profiler->last_header_counter;
2224 profiler->last_header_counter = current_counter;
2226 header [0] = code & 0xff;
2227 header [1] = (code >> 8) & 0xff;
2228 header [2] = size & 0xff;
2229 header [3] = (size >> 8) & 0xff;
2230 header [4] = (size >> 16) & 0xff;
2231 header [5] = (size >> 24) & 0xff;
2232 header [6] = counter_delta & 0xff;
2233 header [7] = (counter_delta >> 8) & 0xff;
2234 header [8] = (counter_delta >> 16) & 0xff;
2235 header [9] = (counter_delta >> 24) & 0xff;
2237 #if (DEBUG_FILE_WRITES)
2238 printf ("write_current_block: writing header (code %d) at offset %d\n", code, bytes_written);
2239 bytes_written += 10;
2241 WRITE_BUFFER (& (header [0]), 10);
2243 while ((current_buffer != NULL) && (profiler->full_write_buffers > 0)) {
2244 #if (DEBUG_FILE_WRITES)
2245 printf ("write_current_block: writing buffer (size %d)\n", PROFILER_FILE_WRITE_BUFFER_SIZE);
2246 bytes_written += PROFILER_FILE_WRITE_BUFFER_SIZE;
2248 WRITE_BUFFER (& (current_buffer->buffer [0]), PROFILER_FILE_WRITE_BUFFER_SIZE);
2249 profiler->full_write_buffers --;
2250 current_buffer = current_buffer->next;
2252 if (profiler->current_write_position > 0) {
2253 #if (DEBUG_FILE_WRITES)
2254 printf ("write_current_block: writing last buffer (size %d)\n", profiler->current_write_position);
2255 bytes_written += profiler->current_write_position;
2257 WRITE_BUFFER (& (current_buffer->buffer [0]), profiler->current_write_position);
2260 #if (DEBUG_FILE_WRITES)
2261 printf ("write_current_block: buffers flushed (file size %d)\n", bytes_written);
2264 profiler->current_write_buffer = profiler->write_buffers;
2265 profiler->current_write_position = 0;
2266 profiler->full_write_buffers = 0;
2270 #define SEVEN_BITS_MASK (0x7f)
2271 #define EIGHT_BIT_MASK (0x80)
2274 write_uint32 (guint32 value) {
2275 while (value > SEVEN_BITS_MASK) {
2276 WRITE_BYTE (value & SEVEN_BITS_MASK);
2279 WRITE_BYTE (value | EIGHT_BIT_MASK);
2282 write_uint64 (guint64 value) {
2283 while (value > SEVEN_BITS_MASK) {
2284 WRITE_BYTE (value & SEVEN_BITS_MASK);
2287 WRITE_BYTE (value | EIGHT_BIT_MASK);
2290 write_string (const char *string) {
2291 while (*string != 0) {
2292 WRITE_BYTE (*string);
2298 static void write_clock_data (void);
2300 write_directives_block (gboolean start) {
2301 write_clock_data ();
2304 if (profiler->action_flags.save_allocation_caller) {
2305 write_uint32 (MONO_PROFILER_DIRECTIVE_ALLOCATIONS_CARRY_CALLER);
2307 if (profiler->action_flags.save_allocation_stack || profiler->action_flags.track_calls) {
2308 write_uint32 (MONO_PROFILER_DIRECTIVE_ALLOCATIONS_HAVE_STACK);
2310 if (profiler->action_flags.allocations_carry_id) {
2311 write_uint32 (MONO_PROFILER_DIRECTIVE_ALLOCATIONS_CARRY_ID);
2313 write_uint32 (MONO_PROFILER_DIRECTIVE_LOADED_ELEMENTS_CARRY_ID);
2314 write_uint32 (MONO_PROFILER_DIRECTIVE_CLASSES_CARRY_ASSEMBLY_ID);
2315 write_uint32 (MONO_PROFILER_DIRECTIVE_METHODS_CARRY_WRAPPER_FLAG);
2317 write_uint32 (MONO_PROFILER_DIRECTIVE_END);
2319 write_clock_data ();
2320 write_current_block (MONO_PROFILER_FILE_BLOCK_KIND_DIRECTIVES);
2323 #if DEBUG_HEAP_PROFILER
2324 #define WRITE_HEAP_SHOT_JOB_VALUE_MESSAGE(v,c) printf ("WRITE_HEAP_SHOT_JOB_VALUE: writing value %p at cursor %p\n", (v), (c))
2326 #define WRITE_HEAP_SHOT_JOB_VALUE_MESSAGE(v,c)
2328 #define WRITE_HEAP_SHOT_JOB_VALUE(j,v) do {\
2329 if ((j)->cursor < (j)->end) {\
2330 WRITE_HEAP_SHOT_JOB_VALUE_MESSAGE ((v), ((j)->cursor));\
2331 *((j)->cursor) = (v);\
2334 profiler_heap_shot_write_job_add_buffer (j, v);\
2339 #undef GUINT_TO_POINTER
2340 #undef GPOINTER_TO_UINT
2341 #if (SIZEOF_VOID_P == 4)
2342 #define GUINT_TO_POINTER(u) ((void*)(guint32)(u))
2343 #define GPOINTER_TO_UINT(p) ((guint32)(void*)(p))
2344 #elif (SIZEOF_VOID_P == 8)
2345 #define GUINT_TO_POINTER(u) ((void*)(guint64)(u))
2346 #define GPOINTER_TO_UINT(p) ((guint64)(void*)(p))
2348 #error Bad size of void pointer
2351 #define WRITE_HEAP_SHOT_JOB_VALUE_WITH_CODE(j,v,c) WRITE_HEAP_SHOT_JOB_VALUE (j, GUINT_TO_POINTER (GPOINTER_TO_UINT (v)|(c)))
2353 #if DEBUG_HEAP_PROFILER
2354 #define UPDATE_JOB_BUFFER_CURSOR_MESSAGE() printf ("profiler_heap_shot_write_block[UPDATE_JOB_BUFFER_CURSOR]: in job %p, moving to buffer %p and cursor %p\n", job, buffer, cursor)
2356 #define UPDATE_JOB_BUFFER_CURSOR_MESSAGE()
2358 #define UPDATE_JOB_BUFFER_CURSOR() do {\
2360 if (cursor >= end) {\
2361 buffer = buffer->next;\
2362 if (buffer != NULL) {\
2363 cursor = & (buffer->buffer [0]);\
2364 if (buffer->next != NULL) {\
2365 end = & (buffer->buffer [PROFILER_HEAP_SHOT_WRITE_BUFFER_SIZE]);\
2373 UPDATE_JOB_BUFFER_CURSOR_MESSAGE ();\
2377 profiler_heap_shot_write_data_block (ProfilerHeapShotWriteJob *job) {
2378 ProfilerHeapShotWriteBuffer *buffer;
2381 guint64 start_counter;
2383 guint64 end_counter;
2386 write_uint64 (job->start_counter);
2387 write_uint64 (job->start_time);
2388 write_uint64 (job->end_counter);
2389 write_uint64 (job->end_time);
2390 write_uint32 (job->collection);
2391 MONO_PROFILER_GET_CURRENT_COUNTER (start_counter);
2392 MONO_PROFILER_GET_CURRENT_TIME (start_time);
2393 write_uint64 (start_counter);
2394 write_uint64 (start_time);
2395 #if DEBUG_HEAP_PROFILER
2396 printf ("profiler_heap_shot_write_data_block: start writing job %p (start %p, end %p)...\n", job, & (job->buffers->buffer [0]), job->cursor);
2398 buffer = job->buffers;
2399 cursor = & (buffer->buffer [0]);
2400 if (buffer->next != NULL) {
2401 end = & (buffer->buffer [PROFILER_HEAP_SHOT_WRITE_BUFFER_SIZE]);
2405 if (cursor >= end) {
2408 #if DEBUG_HEAP_PROFILER
2409 printf ("profiler_heap_shot_write_data_block: in job %p, starting at buffer %p and cursor %p\n", job, buffer, cursor);
2411 while (cursor != NULL) {
2412 gpointer value = *cursor;
2413 HeapProfilerJobValueCode code = GPOINTER_TO_UINT (value) & HEAP_CODE_MASK;
2414 #if DEBUG_HEAP_PROFILER
2415 printf ("profiler_heap_shot_write_data_block: got value %p and code %d\n", value, code);
2418 UPDATE_JOB_BUFFER_CURSOR ();
2419 if (code == HEAP_CODE_FREE_OBJECT_CLASS) {
2420 MonoClass *klass = GUINT_TO_POINTER (GPOINTER_TO_UINT (value) & (~ (guint64) HEAP_CODE_MASK));
2421 //MonoClass *klass = GUINT_TO_POINTER (GPOINTER_TO_UINT (value) % 4);
2422 ClassIdMappingElement *class_id;
2425 class_id = class_id_mapping_element_get (klass);
2426 if (class_id == NULL) {
2427 printf ("profiler_heap_shot_write_data_block: unknown class %p", klass);
2429 g_assert (class_id != NULL);
2430 write_uint32 ((class_id->id << 2) | HEAP_CODE_FREE_OBJECT_CLASS);
2432 size = GPOINTER_TO_UINT (*cursor);
2433 UPDATE_JOB_BUFFER_CURSOR ();
2434 write_uint32 (size);
2435 #if DEBUG_HEAP_PROFILER
2436 printf ("profiler_heap_shot_write_data_block: wrote unreachable object of class %p (id %d, size %d)\n", klass, class_id->id, size);
2438 } else if (code == HEAP_CODE_OBJECT) {
2439 MonoObject *object = GUINT_TO_POINTER (GPOINTER_TO_UINT (value) & (~ (guint64) HEAP_CODE_MASK));
2440 MonoClass *klass = mono_object_get_class (object);
2441 ClassIdMappingElement *class_id = class_id_mapping_element_get (klass);
2442 guint32 size = mono_object_get_size (object);
2443 guint32 references = GPOINTER_TO_UINT (*cursor);
2444 UPDATE_JOB_BUFFER_CURSOR ();
2446 if (class_id == NULL) {
2447 printf ("profiler_heap_shot_write_data_block: unknown class %p", klass);
2449 g_assert (class_id != NULL);
2451 write_uint64 (GPOINTER_TO_UINT (value));
2452 write_uint32 (class_id->id);
2453 write_uint32 (size);
2454 write_uint32 (references);
2455 #if DEBUG_HEAP_PROFILER
2456 printf ("profiler_heap_shot_write_data_block: writing object %p (references %d)\n", value, references);
2459 while (references > 0) {
2460 gpointer reference = *cursor;
2461 write_uint64 (GPOINTER_TO_UINT (reference));
2462 UPDATE_JOB_BUFFER_CURSOR ();
2464 #if DEBUG_HEAP_PROFILER
2465 printf ("profiler_heap_shot_write_data_block: inside object %p, wrote reference %p)\n", value, reference);
2469 #if DEBUG_HEAP_PROFILER
2470 printf ("profiler_heap_shot_write_data_block: unknown code %d in value %p\n", code, value);
2472 g_assert_not_reached ();
2477 MONO_PROFILER_GET_CURRENT_COUNTER (end_counter);
2478 MONO_PROFILER_GET_CURRENT_TIME (end_time);
2479 write_uint64 (end_counter);
2480 write_uint64 (end_time);
2482 write_current_block (MONO_PROFILER_FILE_BLOCK_KIND_HEAP_DATA);
2483 #if DEBUG_HEAP_PROFILER
2484 printf ("profiler_heap_shot_write_data_block: writing job %p done.\n", job);
2488 profiler_heap_shot_write_summary_block (ProfilerHeapShotWriteJob *job) {
2489 guint64 start_counter;
2491 guint64 end_counter;
2495 #if DEBUG_HEAP_PROFILER
2496 printf ("profiler_heap_shot_write_summary_block: start writing job %p...\n", job);
2498 MONO_PROFILER_GET_CURRENT_COUNTER (start_counter);
2499 MONO_PROFILER_GET_CURRENT_TIME (start_time);
2500 write_uint64 (start_counter);
2501 write_uint64 (start_time);
2503 write_uint32 (job->collection);
2505 for (id = 0; id < job->summary.capacity; id ++) {
2506 if ((job->summary.per_class_data [id].reachable.instances > 0) || (job->summary.per_class_data [id].unreachable.instances > 0)) {
2508 write_uint32 (job->summary.per_class_data [id].reachable.instances);
2509 write_uint32 (job->summary.per_class_data [id].reachable.bytes);
2510 write_uint32 (job->summary.per_class_data [id].unreachable.instances);
2511 write_uint32 (job->summary.per_class_data [id].unreachable.bytes);
2516 MONO_PROFILER_GET_CURRENT_COUNTER (end_counter);
2517 MONO_PROFILER_GET_CURRENT_TIME (end_time);
2518 write_uint64 (end_counter);
2519 write_uint64 (end_time);
2521 write_current_block (MONO_PROFILER_FILE_BLOCK_KIND_HEAP_SUMMARY);
2522 #if DEBUG_HEAP_PROFILER
2523 printf ("profiler_heap_shot_write_summary_block: writing job %p done.\n", job);
2528 profiler_heap_shot_write_block (ProfilerHeapShotWriteJob *job) {
2529 #if DEBUG_HEAP_PROFILER
2530 printf ("profiler_heap_shot_write_block: working on job %p...\n", job);
2533 if (profiler->action_flags.collection_summary == TRUE) {
2534 profiler_heap_shot_write_summary_block (job);
2537 if ((profiler->action_flags.unreachable_objects == TRUE) || (profiler->action_flags.heap_shot == TRUE)) {
2538 profiler_heap_shot_write_data_block (job);
2541 profiler_heap_shot_write_job_free_buffers (job);
2542 #if DEBUG_HEAP_PROFILER
2543 printf ("profiler_heap_shot_write_block: work on job %p done.\n", job);
2548 write_element_load_block (LoadedElement *element, guint8 kind, gsize thread_id, gpointer item) {
2550 write_uint64 (element->load_start_counter);
2551 write_uint64 (element->load_end_counter);
2552 write_uint64 (thread_id);
2553 write_uint32 (element->id);
2554 write_string (element->name);
2555 if (kind & MONO_PROFILER_LOADED_EVENT_ASSEMBLY) {
2556 MonoImage *image = mono_assembly_get_image ((MonoAssembly*) item);
2557 MonoAssemblyName aname;
2558 if (mono_assembly_fill_assembly_name (image, &aname)) {
2559 write_string (aname.name);
2560 write_uint32 (aname.major);
2561 write_uint32 (aname.minor);
2562 write_uint32 (aname.build);
2563 write_uint32 (aname.revision);
2564 write_string (aname.culture && *aname.culture? aname.culture: "neutral");
2565 write_string (aname.public_key_token [0] ? (char *)aname.public_key_token : "null");
2566 /* Retargetable flag */
2567 write_uint32 ((aname.flags & 0x00000100) ? 1 : 0);
2569 write_string ("UNKNOWN");
2574 write_string ("neutral");
2575 write_string ("null");
2579 write_current_block (MONO_PROFILER_FILE_BLOCK_KIND_LOADED);
2580 element->load_written = TRUE;
2584 write_element_unload_block (LoadedElement *element, guint8 kind, gsize thread_id) {
2586 write_uint64 (element->unload_start_counter);
2587 write_uint64 (element->unload_end_counter);
2588 write_uint64 (thread_id);
2589 write_uint32 (element->id);
2590 write_string (element->name);
2591 write_current_block (MONO_PROFILER_FILE_BLOCK_KIND_UNLOADED);
2592 element->unload_written = TRUE;
2596 write_clock_data (void) {
2600 MONO_PROFILER_GET_CURRENT_COUNTER (counter);
2601 MONO_PROFILER_GET_CURRENT_TIME (time);
2603 write_uint64 (counter);
2604 write_uint64 (time);
2608 write_mapping_block (gsize thread_id) {
2609 ClassIdMappingElement *current_class;
2610 MethodIdMappingElement *current_method;
2612 if ((profiler->classes->unwritten == NULL) && (profiler->methods->unwritten == NULL))
2615 #if (DEBUG_MAPPING_EVENTS || DEBUG_FILE_WRITES)
2616 printf ("[write_mapping_block][TID %ld] START\n", thread_id);
2619 write_clock_data ();
2620 write_uint64 (thread_id);
2622 for (current_class = profiler->classes->unwritten; current_class != NULL; current_class = current_class->next_unwritten) {
2623 MonoImage *image = mono_class_get_image (current_class->klass);
2624 MonoAssembly *assembly = mono_image_get_assembly (image);
2625 guint32 assembly_id = loaded_element_get_id (profiler->loaded_assemblies, assembly);
2626 write_uint32 (current_class->id);
2627 write_uint32 (assembly_id);
2628 write_string (current_class->name);
2629 #if (DEBUG_MAPPING_EVENTS)
2630 printf ("mapping CLASS (%d => %s)\n", current_class->id, current_class->name);
2632 g_free (current_class->name);
2633 current_class->name = NULL;
2636 profiler->classes->unwritten = NULL;
2638 for (current_method = profiler->methods->unwritten; current_method != NULL; current_method = current_method->next_unwritten) {
2639 MonoMethod *method = current_method->method;
2640 MonoClass *klass = mono_method_get_class (method);
2641 ClassIdMappingElement *class_element = class_id_mapping_element_get (klass);
2642 g_assert (class_element != NULL);
2643 write_uint32 (current_method->id);
2644 write_uint32 (class_element->id);
2645 if (method->wrapper_type != 0) {
2650 write_string (current_method->name);
2651 #if (DEBUG_MAPPING_EVENTS)
2652 printf ("mapping METHOD ([%d]%d => %s)\n", class_element?class_element->id:1, current_method->id, current_method->name);
2654 g_free (current_method->name);
2655 current_method->name = NULL;
2658 profiler->methods->unwritten = NULL;
2660 write_clock_data ();
2661 write_current_block (MONO_PROFILER_FILE_BLOCK_KIND_MAPPING);
2663 #if (DEBUG_MAPPING_EVENTS || DEBUG_FILE_WRITES)
2664 printf ("[write_mapping_block][TID %ld] END\n", thread_id);
2669 MONO_PROFILER_PACKED_EVENT_CODE_METHOD_ENTER = 1,
2670 MONO_PROFILER_PACKED_EVENT_CODE_METHOD_EXIT_IMPLICIT = 2,
2671 MONO_PROFILER_PACKED_EVENT_CODE_METHOD_EXIT_EXPLICIT = 3,
2672 MONO_PROFILER_PACKED_EVENT_CODE_CLASS_ALLOCATION = 4,
2673 MONO_PROFILER_PACKED_EVENT_CODE_METHOD_EVENT = 5,
2674 MONO_PROFILER_PACKED_EVENT_CODE_CLASS_EVENT = 6,
2675 MONO_PROFILER_PACKED_EVENT_CODE_OTHER_EVENT = 7
2676 } MonoProfilerPackedEventCode;
2677 #define MONO_PROFILER_PACKED_EVENT_CODE_BITS 3
2678 #define MONO_PROFILER_PACKED_EVENT_DATA_BITS (8-MONO_PROFILER_PACKED_EVENT_CODE_BITS)
2679 #define MONO_PROFILER_PACKED_EVENT_DATA_MASK ((1<<MONO_PROFILER_PACKED_EVENT_DATA_BITS)-1)
2681 #define MONO_PROFILER_EVENT_MAKE_PACKED_CODE(result,data,base) do {\
2682 result = ((base)|((data & MONO_PROFILER_PACKED_EVENT_DATA_MASK) << MONO_PROFILER_PACKED_EVENT_CODE_BITS));\
2683 data >>= MONO_PROFILER_PACKED_EVENT_DATA_BITS;\
2685 #define MONO_PROFILER_EVENT_MAKE_FULL_CODE(result,code,kind,base) do {\
2686 result = ((base)|((((kind)<<4) | (code)) << MONO_PROFILER_PACKED_EVENT_CODE_BITS));\
2690 rewrite_last_written_stack (ProfilerThreadStack *stack) {
2692 int i = thread_stack_get_last_written_frame (stack);
2694 MONO_PROFILER_EVENT_MAKE_FULL_CODE (event_code, MONO_PROFILER_EVENT_STACK_SECTION, 0, MONO_PROFILER_PACKED_EVENT_CODE_OTHER_EVENT);
2695 WRITE_BYTE (event_code);
2701 write_uint32 (thread_stack_written_frame_at_index (stack, i));
2706 static ProfilerEventData*
2707 write_stack_section_event (ProfilerEventData *events, ProfilerPerThreadData *data) {
2708 int last_saved_frame = events->data.number;
2709 int saved_frames = events->value;
2713 MONO_PROFILER_EVENT_MAKE_FULL_CODE (event_code, MONO_PROFILER_EVENT_STACK_SECTION, 0, MONO_PROFILER_PACKED_EVENT_CODE_OTHER_EVENT);
2714 WRITE_BYTE (event_code);
2715 write_uint32 (last_saved_frame);
2716 write_uint32 (saved_frames);
2717 thread_stack_set_last_written_frame (&(data->stack), last_saved_frame + saved_frames);
2720 for (i = 0; i < saved_frames; i++) {
2721 guint8 code = events->code;
2723 MethodIdMappingElement *method;
2724 guint32 frame_value;
2726 if (code == MONO_PROFILER_EVENT_METHOD_ALLOCATION_CALLER) {
2728 } else if (code == MONO_PROFILER_EVENT_METHOD_ALLOCATION_JIT_TIME_CALLER) {
2731 g_assert_not_reached ();
2735 method = method_id_mapping_element_get (events->data.address);
2736 g_assert (method != NULL);
2737 frame_value = (method->id << 1) | jit_flag;
2738 write_uint32 (frame_value);
2739 thread_stack_write_frame_at_index (&(data->stack), last_saved_frame + saved_frames - (1 + i), frame_value);
2746 static ProfilerEventData*
2747 write_event (ProfilerEventData *event, ProfilerPerThreadData *data) {
2748 ProfilerEventData *next = event + 1;
2749 gboolean write_event_value = TRUE;
2752 guint64 event_value;
2753 gboolean write_event_value_extension_1 = FALSE;
2754 guint64 event_value_extension_1 = 0;
2755 gboolean write_event_value_extension_2 = FALSE;
2756 guint64 event_value_extension_2 = 0;
2758 event_value = event->value;
2759 if (event_value == MAX_EVENT_VALUE) {
2760 event_value = *((guint64*)next);
2764 if (event->data_type == MONO_PROFILER_EVENT_DATA_TYPE_METHOD) {
2765 MethodIdMappingElement *element = method_id_mapping_element_get (event->data.address);
2766 g_assert (element != NULL);
2767 event_data = element->id;
2769 if (event->code == MONO_PROFILER_EVENT_METHOD_CALL) {
2770 if (event->kind == MONO_PROFILER_EVENT_KIND_START) {
2771 MONO_PROFILER_EVENT_MAKE_PACKED_CODE (event_code, event_data, MONO_PROFILER_PACKED_EVENT_CODE_METHOD_ENTER);
2773 MONO_PROFILER_EVENT_MAKE_PACKED_CODE (event_code, event_data, MONO_PROFILER_PACKED_EVENT_CODE_METHOD_EXIT_EXPLICIT);
2776 MONO_PROFILER_EVENT_MAKE_FULL_CODE (event_code, event->code, event->kind, MONO_PROFILER_PACKED_EVENT_CODE_METHOD_EVENT);
2778 } else if (event->data_type == MONO_PROFILER_EVENT_DATA_TYPE_CLASS) {
2779 ClassIdMappingElement *element = class_id_mapping_element_get (event->data.address);
2780 g_assert (element != NULL);
2781 event_data = element->id;
2783 if (event->code == MONO_PROFILER_EVENT_CLASS_ALLOCATION) {
2784 if ((! profiler->action_flags.save_allocation_caller) || (! (next->code == MONO_PROFILER_EVENT_METHOD_ALLOCATION_JIT_TIME_CALLER))) {
2785 MONO_PROFILER_EVENT_MAKE_PACKED_CODE (event_code, event_data, MONO_PROFILER_PACKED_EVENT_CODE_CLASS_ALLOCATION);
2787 MONO_PROFILER_EVENT_MAKE_FULL_CODE (event_code, MONO_PROFILER_EVENT_JIT_TIME_ALLOCATION, event->kind, MONO_PROFILER_PACKED_EVENT_CODE_OTHER_EVENT);
2790 if (profiler->action_flags.save_allocation_caller) {
2791 MonoMethod *caller_method = next->data.address;
2793 if ((next->code != MONO_PROFILER_EVENT_METHOD_ALLOCATION_CALLER) && (next->code != MONO_PROFILER_EVENT_METHOD_ALLOCATION_JIT_TIME_CALLER)) {
2794 g_assert_not_reached ();
2797 if (caller_method != NULL) {
2798 MethodIdMappingElement *caller = method_id_mapping_element_get (caller_method);
2799 g_assert (caller != NULL);
2800 event_value_extension_1 = caller->id;
2803 write_event_value_extension_1 = TRUE;
2807 if (profiler->action_flags.allocations_carry_id) {
2808 event_value_extension_2 = GPOINTER_TO_UINT (next->data.address);
2810 if (next->code != MONO_PROFILER_EVENT_ALLOCATION_OBJECT_ID) {
2811 g_assert_not_reached ();
2814 write_event_value_extension_2 = TRUE;
2817 } else if (event->code == MONO_PROFILER_EVENT_CLASS_MONITOR) {
2818 g_assert (next->code == MONO_PROFILER_EVENT_OBJECT_MONITOR);
2820 MONO_PROFILER_EVENT_MAKE_FULL_CODE (event_code, event->code, event->kind, MONO_PROFILER_PACKED_EVENT_CODE_CLASS_EVENT);
2821 event_value_extension_1 = next->value;
2822 write_event_value_extension_1 = TRUE;
2823 event_value_extension_2 = GPOINTER_TO_UINT (next->data.address);
2824 write_event_value_extension_2 = TRUE;
2827 MONO_PROFILER_EVENT_MAKE_FULL_CODE (event_code, event->code, event->kind, MONO_PROFILER_PACKED_EVENT_CODE_CLASS_EVENT);
2830 if (event->code == MONO_PROFILER_EVENT_STACK_SECTION) {
2831 return write_stack_section_event (event, data);
2833 event_data = event->data.number;
2834 MONO_PROFILER_EVENT_MAKE_FULL_CODE (event_code, event->code, event->kind, MONO_PROFILER_PACKED_EVENT_CODE_OTHER_EVENT);
2838 /* Skip writing JIT events if the user did not ask for them */
2839 if ((event->code == MONO_PROFILER_EVENT_METHOD_JIT) && ! profiler->action_flags.jit_time) {
2843 #if (DEBUG_LOGGING_PROFILER)
2845 printf ("writing EVENT[%p] data_type:%d, kind:%d, code:%d (%d:%ld:%ld)\n", event,
2846 event->data_type, event->kind, event->code,
2847 event_code, event_data, event_value);
2850 WRITE_BYTE (event_code);
2851 write_uint64 (event_data);
2852 if (write_event_value) {
2853 write_uint64 (event_value);
2854 if (write_event_value_extension_1) {
2855 write_uint64 (event_value_extension_1);
2857 if (write_event_value_extension_2) {
2858 write_uint64 (event_value_extension_2);
2866 write_thread_data_block (ProfilerPerThreadData *data) {
2867 ProfilerEventData *start = data->first_unwritten_event;
2868 ProfilerEventData *end = data->first_unmapped_event;
2872 #if (DEBUG_FILE_WRITES)
2873 printf ("write_thread_data_block: preparing buffer for thread %ld\n", (guint64) data->thread_id);
2875 write_clock_data ();
2876 write_uint64 (data->thread_id);
2878 write_uint64 (data->start_event_counter);
2880 /* If we are tracking the stack, make sure that stack sections */
2881 /* can be fully reconstructed even reading only one block */
2882 if (profiler->action_flags.track_stack) {
2883 rewrite_last_written_stack (&(data->stack));
2886 while (start < end) {
2887 start = write_event (start, data);
2890 data->first_unwritten_event = end;
2892 write_clock_data ();
2893 write_current_block (MONO_PROFILER_FILE_BLOCK_KIND_EVENTS);
2894 #if (DEBUG_FILE_WRITES)
2895 printf ("write_thread_data_block: buffer for thread %ld written\n", (guint64) data->thread_id);
2899 static ProfilerExecutableMemoryRegionData*
2900 profiler_executable_memory_region_new (gpointer *start, gpointer *end, guint32 file_offset, char *file_name, guint32 id) {
2901 ProfilerExecutableMemoryRegionData *result = g_new (ProfilerExecutableMemoryRegionData, 1);
2902 result->start = start;
2904 result->file_offset = file_offset;
2905 result->file_name = g_strdup (file_name);
2907 result->is_new = TRUE;
2909 result->file = NULL;
2910 result->file_region_reference = NULL;
2911 result->symbols_capacity = id;
2912 result->symbols_count = id;
2913 result->symbols = NULL;
2919 executable_file_close (ProfilerExecutableMemoryRegionData *region);
2922 profiler_executable_memory_region_destroy (ProfilerExecutableMemoryRegionData *data) {
2923 if (data->file != NULL) {
2924 executable_file_close (data);
2927 if (data->symbols != NULL) {
2928 g_free (data->symbols);
2929 data->symbols = NULL;
2931 if (data->file_name != NULL) {
2932 g_free (data->file_name);
2933 data->file_name = NULL;
2938 static ProfilerExecutableMemoryRegions*
2939 profiler_executable_memory_regions_new (int next_id, int next_unmanaged_function_id) {
2940 ProfilerExecutableMemoryRegions *result = g_new (ProfilerExecutableMemoryRegions, 1);
2941 result->regions = g_new0 (ProfilerExecutableMemoryRegionData*, 32);
2942 result->regions_capacity = 32;
2943 result->regions_count = 0;
2944 result->next_id = next_id;
2945 result->next_unmanaged_function_id = next_unmanaged_function_id;
2950 profiler_executable_memory_regions_destroy (ProfilerExecutableMemoryRegions *regions) {
2953 for (i = 0; i < regions->regions_count; i++) {
2954 profiler_executable_memory_region_destroy (regions->regions [i]);
2956 g_free (regions->regions);
2960 static ProfilerExecutableMemoryRegionData*
2961 find_address_region (ProfilerExecutableMemoryRegions *regions, gpointer address) {
2963 int high_index = regions->regions_count;
2964 int middle_index = 0;
2965 ProfilerExecutableMemoryRegionData *middle_region = regions->regions [0];
2967 if ((regions->regions_count == 0) || (regions->regions [low_index]->start > address) || (regions->regions [high_index - 1]->end < address)) {
2971 //printf ("find_address_region: Looking for address %p in %d regions (from %p to %p)\n", address, regions->regions_count, regions->regions [low_index]->start, regions->regions [high_index - 1]->end);
2973 while (low_index != high_index) {
2974 middle_index = low_index + ((high_index - low_index) / 2);
2975 middle_region = regions->regions [middle_index];
2977 //printf ("find_address_region: Looking for address %p, considering index %d[%p-%p] (%d-%d)\n", address, middle_index, middle_region->start, middle_region->end, low_index, high_index);
2979 if (middle_region->start > address) {
2980 if (middle_index > 0) {
2981 high_index = middle_index;
2985 } else if (middle_region->end < address) {
2986 if (middle_index < regions->regions_count - 1) {
2987 low_index = middle_index + 1;
2992 return middle_region;
2996 if ((middle_region == NULL) || (middle_region->start > address) || (middle_region->end < address)) {
2999 return middle_region;
3004 append_region (ProfilerExecutableMemoryRegions *regions, gpointer *start, gpointer *end, guint32 file_offset, char *file_name) {
3005 if (regions->regions_count >= regions->regions_capacity) {
3006 ProfilerExecutableMemoryRegionData **new_regions = g_new0 (ProfilerExecutableMemoryRegionData*, regions->regions_capacity * 2);
3007 memcpy (new_regions, regions->regions, regions->regions_capacity * sizeof (ProfilerExecutableMemoryRegionData*));
3008 g_free (regions->regions);
3009 regions->regions = new_regions;
3010 regions->regions_capacity = regions->regions_capacity * 2;
3012 regions->regions [regions->regions_count] = profiler_executable_memory_region_new (start, end, file_offset, file_name, regions->next_id);
3013 regions->regions_count ++;
3014 regions->next_id ++;
3018 regions_are_equivalent (ProfilerExecutableMemoryRegionData *region1, ProfilerExecutableMemoryRegionData *region2) {
3019 if ((region1->start == region2->start) &&
3020 (region1->end == region2->end) &&
3021 (region1->file_offset == region2->file_offset) &&
3022 ! strcmp (region1->file_name, region2->file_name)) {
3030 compare_regions (const void *a1, const void *a2) {
3031 ProfilerExecutableMemoryRegionData *r1 = * (ProfilerExecutableMemoryRegionData**) a1;
3032 ProfilerExecutableMemoryRegionData *r2 = * (ProfilerExecutableMemoryRegionData**) a2;
3033 return (r1->start < r2->start)? -1 : ((r1->start > r2->start)? 1 : 0);
3037 restore_old_regions (ProfilerExecutableMemoryRegions *old_regions, ProfilerExecutableMemoryRegions *new_regions) {
3041 for (new_i = 0; new_i < new_regions->regions_count; new_i++) {
3042 ProfilerExecutableMemoryRegionData *new_region = new_regions->regions [new_i];
3043 for (old_i = 0; old_i < old_regions->regions_count; old_i++) {
3044 ProfilerExecutableMemoryRegionData *old_region = old_regions->regions [old_i];
3045 if ( regions_are_equivalent (old_region, new_region)) {
3046 new_regions->regions [new_i] = old_region;
3047 old_regions->regions [old_i] = new_region;
3049 // FIXME (sanity check)
3050 g_assert (new_region->is_new && ! old_region->is_new);
3057 sort_regions (ProfilerExecutableMemoryRegions *regions) {
3058 if (regions->regions_count > 1) {
3061 qsort (regions->regions, regions->regions_count, sizeof (ProfilerExecutableMemoryRegionData *), compare_regions);
3064 while (i < regions->regions_count) {
3065 ProfilerExecutableMemoryRegionData *current_region = regions->regions [i];
3066 ProfilerExecutableMemoryRegionData *previous_region = regions->regions [i - 1];
3068 if (regions_are_equivalent (previous_region, current_region)) {
3071 if (! current_region->is_new) {
3072 profiler_executable_memory_region_destroy (previous_region);
3073 regions->regions [i - 1] = current_region;
3075 profiler_executable_memory_region_destroy (current_region);
3078 for (j = i + 1; j < regions->regions_count; j++) {
3079 regions->regions [j - 1] = regions->regions [j];
3082 regions->regions_count --;
3091 fix_region_references (ProfilerExecutableMemoryRegions *regions) {
3093 for (i = 0; i < regions->regions_count; i++) {
3094 ProfilerExecutableMemoryRegionData *region = regions->regions [i];
3095 if (region->file_region_reference != NULL) {
3096 region->file_region_reference->region = region;
3102 executable_file_add_region_reference (ProfilerExecutableFile *file, ProfilerExecutableMemoryRegionData *region) {
3103 guint8 *section_headers = file->data + file->header->e_shoff;
3106 for (section_index = 1; section_index < file->header->e_shnum; section_index ++) {
3107 ElfSection *section_header = (ElfSection*) (section_headers + (file->header->e_shentsize * section_index));
3109 if ((section_header->sh_addr != 0) && (section_header->sh_flags & ELF_SHF_EXECINSTR) &&
3110 (region->file_offset <= section_header->sh_offset) && (region->file_offset + (((guint8*)region->end)-((guint8*)region->start)) >= (section_header->sh_offset + section_header->sh_size))) {
3111 ProfilerExecutableFileSectionRegion *section_region = & (file->section_regions [section_index]);
3112 section_region->region = region;
3113 section_region->section_address = (gpointer) section_header->sh_addr;
3114 section_region->section_offset = section_header->sh_offset;
3115 region->file_region_reference = section_region;
3120 static gboolean check_elf_header (ElfHeader* header) {
3121 guint16 test = 0x0102;
3123 if ((header->e_ident [EI_MAG0] != 0x7f) || (header->e_ident [EI_MAG1] != 'E') ||
3124 (header->e_ident [EI_MAG2] != 'L') || (header->e_ident [EI_MAG3] != 'F')) {
3128 if (sizeof (gsize) == 4) {
3129 if (header->e_ident [EI_CLASS] != ELF_CLASS_32) {
3130 g_warning ("Class is not ELF_CLASS_32 with gsize size %d", (int) sizeof (gsize));
3133 } else if (sizeof (gsize) == 8) {
3134 if (header->e_ident [EI_CLASS] != ELF_CLASS_64) {
3135 g_warning ("Class is not ELF_CLASS_64 with gsize size %d", (int) sizeof (gsize));
3139 g_warning ("Absurd gsize size %d", (int) sizeof (gsize));
3143 if ((*(guint8*)(&test)) == 0x01) {
3144 if (header->e_ident [EI_DATA] != ELF_DATA_MSB) {
3145 g_warning ("Data is not ELF_DATA_MSB with first test byte 0x01");
3148 } else if ((*(guint8*)(&test)) == 0x02) {
3149 if (header->e_ident [EI_DATA] != ELF_DATA_LSB) {
3150 g_warning ("Data is not ELF_DATA_LSB with first test byte 0x02");
3154 g_warning ("Absurd test byte value");
3161 static gboolean check_elf_file (int fd) {
3162 void *header = malloc (sizeof (ElfHeader));
3163 ssize_t read_result = read (fd, header, sizeof (ElfHeader));
3166 if (read_result != sizeof (ElfHeader)) {
3169 result = check_elf_header ((ElfHeader*) header);
3176 static ProfilerExecutableFile*
3177 executable_file_open (ProfilerExecutableMemoryRegionData *region) {
3178 ProfilerExecutableFiles *files = & (profiler->executable_files);
3179 ProfilerExecutableFile *file = region->file;
3182 file = (ProfilerExecutableFile*) g_hash_table_lookup (files->table, region->file_name);
3185 struct stat stat_buffer;
3186 int symtab_index = 0;
3187 int strtab_index = 0;
3188 int dynsym_index = 0;
3189 int dynstr_index = 0;
3191 guint8 *section_headers;
3195 file = g_new0 (ProfilerExecutableFile, 1);
3196 region->file = file;
3197 g_hash_table_insert (files->table, region->file_name, file);
3198 file->reference_count ++;
3199 file->next_new_file = files->new_files;
3200 files->new_files = file;
3202 file->fd = open (region->file_name, O_RDONLY);
3203 if (file->fd == -1) {
3204 //g_warning ("Cannot open file '%s': '%s'", region->file_name, strerror (errno));
3207 if (fstat (file->fd, &stat_buffer) != 0) {
3208 //g_warning ("Cannot stat file '%s': '%s'", region->file_name, strerror (errno));
3210 } else if (! check_elf_file (file->fd)) {
3213 size_t region_length = ((guint8*)region->end) - ((guint8*)region->start);
3214 file->length = stat_buffer.st_size;
3216 if (file->length == region_length) {
3217 file->data = region->start;
3221 file->data = mmap (NULL, file->length, PROT_READ, MAP_PRIVATE, file->fd, 0);
3223 if (file->data == MAP_FAILED) {
3225 //g_warning ("Cannot map file '%s': '%s'", region->file_name, strerror (errno));
3233 /* OK, this is a usable elf file, and we mmapped it... */
3234 header = (ElfHeader*) file->data;
3235 file->header = header;
3236 section_headers = file->data + file->header->e_shoff;
3237 file->main_string_table = ((const char*) file->data) + (((ElfSection*) (section_headers + (header->e_shentsize * header->e_shstrndx)))->sh_offset);
3239 for (section_index = 0; section_index < header->e_shnum; section_index ++) {
3240 ElfSection *section_header = (ElfSection*) (section_headers + (header->e_shentsize * section_index));
3242 if (section_header->sh_type == ELF_SHT_SYMTAB) {
3243 symtab_index = section_index;
3244 } else if (section_header->sh_type == ELF_SHT_DYNSYM) {
3245 dynsym_index = section_index;
3246 } else if (section_header->sh_type == ELF_SHT_STRTAB) {
3247 if (! strcmp (file->main_string_table + section_header->sh_name, ".strtab")) {
3248 strtab_index = section_index;
3249 } else if (! strcmp (file->main_string_table + section_header->sh_name, ".dynstr")) {
3250 dynstr_index = section_index;
3255 if ((symtab_index != 0) && (strtab_index != 0)) {
3256 section_index = symtab_index;
3257 strings_index = strtab_index;
3258 } else if ((dynsym_index != 0) && (dynstr_index != 0)) {
3259 section_index = dynsym_index;
3260 strings_index = dynstr_index;
3266 if (section_index != 0) {
3267 ElfSection *section_header = (ElfSection*) (section_headers + (header->e_shentsize * section_index));
3268 file->symbol_size = section_header->sh_entsize;
3269 file->symbols_count = (guint32) (section_header->sh_size / section_header->sh_entsize);
3270 file->symbols_start = file->data + section_header->sh_offset;
3271 file->symbols_string_table = ((const char*) file->data) + (((ElfSection*) (section_headers + (header->e_shentsize * strings_index)))->sh_offset);
3274 file->section_regions = g_new0 (ProfilerExecutableFileSectionRegion, file->header->e_shnum);
3276 region->file = file;
3277 file->reference_count ++;
3281 if (file->header != NULL) {
3282 executable_file_add_region_reference (file, region);
3289 executable_file_free (ProfilerExecutableFile* file) {
3290 if (file->fd != -1) {
3291 if (close (file->fd) != 0) {
3292 g_warning ("Cannot close file: '%s'", strerror (errno));
3294 if (file->data != NULL) {
3295 if (munmap (file->data, file->length) != 0) {
3296 g_warning ("Cannot unmap file: '%s'", strerror (errno));
3300 if (file->section_regions != NULL) {
3301 g_free (file->section_regions);
3302 file->section_regions = NULL;
3308 executable_file_close (ProfilerExecutableMemoryRegionData *region) {
3309 region->file->reference_count --;
3311 if ((region->file_region_reference != NULL) && (region->file_region_reference->region == region)) {
3312 region->file_region_reference->region = NULL;
3313 region->file_region_reference->section_address = 0;
3314 region->file_region_reference->section_offset = 0;
3317 if (region->file->reference_count <= 0) {
3318 ProfilerExecutableFiles *files = & (profiler->executable_files);
3319 g_hash_table_remove (files->table, region->file_name);
3320 executable_file_free (region->file);
3321 region->file = NULL;
3326 executable_file_count_symbols (ProfilerExecutableFile *file) {
3329 for (symbol_index = 0; symbol_index < file->symbols_count; symbol_index ++) {
3330 ElfSymbol *symbol = (ElfSymbol*) (file->symbols_start + (symbol_index * file->symbol_size));
3332 if ((ELF_ST_TYPE (symbol->st_info) == ELF_STT_FUNC) &&
3333 (symbol->st_shndx > 0) &&
3334 (symbol->st_shndx < file->header->e_shnum)) {
3335 int symbol_section_index = symbol->st_shndx;
3336 ProfilerExecutableMemoryRegionData *region = file->section_regions [symbol_section_index].region;
3337 if ((region != NULL) && (region->symbols == NULL)) {
3338 region->symbols_count ++;
3345 executable_memory_regions_prepare_symbol_tables (ProfilerExecutableMemoryRegions *regions) {
3347 for (i = 0; i < regions->regions_count; i++) {
3348 ProfilerExecutableMemoryRegionData *region = regions->regions [i];
3349 if ((region->symbols_count > 0) && (region->symbols == NULL)) {
3350 region->symbols = g_new (ProfilerUnmanagedSymbol, region->symbols_count);
3351 region->symbols_capacity = region->symbols_count;
3352 region->symbols_count = 0;
3358 executable_region_symbol_get_name (ProfilerExecutableMemoryRegionData *region, ProfilerUnmanagedSymbol *symbol) {
3359 ElfSymbol *elf_symbol = (ElfSymbol*) (region->file->symbols_start + (symbol->index * region->file->symbol_size));
3360 return region->file->symbols_string_table + elf_symbol->st_name;
3364 executable_file_build_symbol_tables (ProfilerExecutableFile *file) {
3367 for (symbol_index = 0; symbol_index < file->symbols_count; symbol_index ++) {
3368 ElfSymbol *symbol = (ElfSymbol*) (file->symbols_start + (symbol_index * file->symbol_size));
3370 if ((ELF_ST_TYPE (symbol->st_info) == ELF_STT_FUNC) &&
3371 (symbol->st_shndx > 0) &&
3372 (symbol->st_shndx < file->header->e_shnum)) {
3373 int symbol_section_index = symbol->st_shndx;
3374 ProfilerExecutableFileSectionRegion *section_region = & (file->section_regions [symbol_section_index]);
3375 ProfilerExecutableMemoryRegionData *region = section_region->region;
3377 if (region != NULL) {
3378 ProfilerUnmanagedSymbol *new_symbol = & (region->symbols [region->symbols_count]);
3379 region->symbols_count ++;
3382 new_symbol->index = symbol_index;
3383 new_symbol->size = symbol->st_size;
3384 new_symbol->offset = (((guint8*) symbol->st_value) - section_region->section_address) - (region->file_offset - section_region->section_offset);
3391 compare_region_symbols (const void *p1, const void *p2) {
3392 const ProfilerUnmanagedSymbol *s1 = p1;
3393 const ProfilerUnmanagedSymbol *s2 = p2;
3394 return (s1->offset < s2->offset)? -1 : ((s1->offset > s2->offset)? 1 : 0);
3398 executable_memory_regions_sort_symbol_tables (ProfilerExecutableMemoryRegions *regions) {
3400 for (i = 0; i < regions->regions_count; i++) {
3401 ProfilerExecutableMemoryRegionData *region = regions->regions [i];
3402 if ((region->is_new) && (region->symbols != NULL)) {
3403 qsort (region->symbols, region->symbols_count, sizeof (ProfilerUnmanagedSymbol), compare_region_symbols);
3409 build_symbol_tables (ProfilerExecutableMemoryRegions *regions, ProfilerExecutableFiles *files) {
3411 ProfilerExecutableFile *file;
3413 for (i = 0; i < regions->regions_count; i++) {
3414 ProfilerExecutableMemoryRegionData *region = regions->regions [i];
3415 if ((region->is_new) && (region->file == NULL)) {
3416 executable_file_open (region);
3420 for (file = files->new_files; file != NULL; file = file->next_new_file) {
3421 executable_file_count_symbols (file);
3424 executable_memory_regions_prepare_symbol_tables (regions);
3426 for (file = files->new_files; file != NULL; file = file->next_new_file) {
3427 executable_file_build_symbol_tables (file);
3430 executable_memory_regions_sort_symbol_tables (regions);
3432 file = files->new_files;
3433 while (file != NULL) {
3434 ProfilerExecutableFile *next_file = file->next_new_file;
3435 file->next_new_file = NULL;
3438 files->new_files = NULL;
3441 static ProfilerUnmanagedSymbol*
3442 executable_memory_region_find_symbol (ProfilerExecutableMemoryRegionData *region, guint32 offset) {
3443 if (region->symbols_count > 0) {
3444 ProfilerUnmanagedSymbol *low = region->symbols;
3445 ProfilerUnmanagedSymbol *high = region->symbols + (region->symbols_count - 1);
3446 int step = region->symbols_count >> 1;
3447 ProfilerUnmanagedSymbol *current = region->symbols + step;
3450 step = (high - low) >> 1;
3452 if (offset < current->offset) {
3454 current = high - step;
3455 } else if (offset >= current->offset) {
3456 if (offset >= (current->offset + current->size)) {
3458 current = low + step;
3465 if ((offset >= current->offset) && (offset < (current->offset + current->size))) {
3475 //FIXME: make also Win32 and BSD variants
3476 #define MAPS_BUFFER_SIZE 4096
3477 #define MAPS_FILENAME_SIZE 2048
3480 update_regions_buffer (int fd, char *buffer) {
3481 ssize_t result = read (fd, buffer, MAPS_BUFFER_SIZE);
3483 if (result == MAPS_BUFFER_SIZE) {
3485 } else if (result >= 0) {
3486 *(buffer + result) = 0;
3494 #define GOTO_NEXT_CHAR(c,b,fd) do {\
3496 if (((c) - (b) >= MAPS_BUFFER_SIZE) || ((*(c) == 0) && ((c) != (b)))) {\
3497 update_regions_buffer ((fd), (b));\
3502 static int hex_digit_value (char c) {
3503 if ((c >= '0') && (c <= '9')) {
3505 } else if ((c >= 'a') && (c <= 'f')) {
3506 return c - 'a' + 10;
3507 } else if ((c >= 'A') && (c <= 'F')) {
3508 return c - 'A' + 10;
3530 MAP_LINE_PARSER_STATE_INVALID,
3531 MAP_LINE_PARSER_STATE_START_ADDRESS,
3532 MAP_LINE_PARSER_STATE_END_ADDRESS,
3533 MAP_LINE_PARSER_STATE_PERMISSIONS,
3534 MAP_LINE_PARSER_STATE_OFFSET,
3535 MAP_LINE_PARSER_STATE_DEVICE,
3536 MAP_LINE_PARSER_STATE_INODE,
3537 MAP_LINE_PARSER_STATE_BLANK_BEFORE_FILENAME,
3538 MAP_LINE_PARSER_STATE_FILENAME,
3539 MAP_LINE_PARSER_STATE_DONE
3540 } MapLineParserState;
3542 const char *map_line_parser_state [] = {
3550 "BLANK_BEFORE_FILENAME",
3556 parse_map_line (ProfilerExecutableMemoryRegions *regions, int fd, char *buffer, char *filename, char *current) {
3557 MapLineParserState state = MAP_LINE_PARSER_STATE_START_ADDRESS;
3558 gsize start_address = 0;
3559 gsize end_address = 0;
3561 int filename_index = 0;
3562 gboolean is_executable = FALSE;
3563 gboolean done = FALSE;
3569 case MAP_LINE_PARSER_STATE_START_ADDRESS:
3571 start_address <<= 4;
3572 start_address |= hex_digit_value (c);
3573 } else if (c == '-') {
3574 state = MAP_LINE_PARSER_STATE_END_ADDRESS;
3576 state = MAP_LINE_PARSER_STATE_INVALID;
3579 case MAP_LINE_PARSER_STATE_END_ADDRESS:
3582 end_address |= hex_digit_value (c);
3583 } else if (isblank (c)) {
3584 state = MAP_LINE_PARSER_STATE_PERMISSIONS;
3586 state = MAP_LINE_PARSER_STATE_INVALID;
3589 case MAP_LINE_PARSER_STATE_PERMISSIONS:
3591 is_executable = TRUE;
3592 } else if (isblank (c)) {
3593 state = MAP_LINE_PARSER_STATE_OFFSET;
3594 } else if ((c != '-') && ! isalpha (c)) {
3595 state = MAP_LINE_PARSER_STATE_INVALID;
3598 case MAP_LINE_PARSER_STATE_OFFSET:
3601 offset |= hex_digit_value (c);
3602 } else if (isblank (c)) {
3603 state = MAP_LINE_PARSER_STATE_DEVICE;
3605 state = MAP_LINE_PARSER_STATE_INVALID;
3608 case MAP_LINE_PARSER_STATE_DEVICE:
3610 state = MAP_LINE_PARSER_STATE_INODE;
3611 } else if ((c != ':') && ! isxdigit (c)) {
3612 state = MAP_LINE_PARSER_STATE_INVALID;
3615 case MAP_LINE_PARSER_STATE_INODE:
3617 state = MAP_LINE_PARSER_STATE_BLANK_BEFORE_FILENAME;
3618 } else if (! isdigit (c)) {
3619 state = MAP_LINE_PARSER_STATE_INVALID;
3622 case MAP_LINE_PARSER_STATE_BLANK_BEFORE_FILENAME:
3623 if ((c == '/') || (c == '[')) {
3624 state = MAP_LINE_PARSER_STATE_FILENAME;
3625 filename [filename_index] = *current;
3627 } else if (! isblank (c)) {
3628 state = MAP_LINE_PARSER_STATE_INVALID;
3631 case MAP_LINE_PARSER_STATE_FILENAME:
3632 if (filename_index < MAPS_FILENAME_SIZE) {
3634 state = MAP_LINE_PARSER_STATE_DONE;
3636 filename [filename_index] = 0;
3638 filename [filename_index] = *current;
3642 filename [filename_index] = 0;
3643 g_warning ("ELF filename too long: \"%s\"...\n", filename);
3646 case MAP_LINE_PARSER_STATE_DONE:
3647 if (done && is_executable) {
3648 filename [filename_index] = 0;
3649 append_region (regions, (gpointer) start_address, (gpointer) end_address, offset, filename);
3652 case MAP_LINE_PARSER_STATE_INVALID:
3654 state = MAP_LINE_PARSER_STATE_DONE;
3661 } else if (c == '\n') {
3662 state = MAP_LINE_PARSER_STATE_DONE;
3665 GOTO_NEXT_CHAR(current, buffer, fd);
3671 scan_process_regions (ProfilerExecutableMemoryRegions *regions) {
3677 fd = open ("/proc/self/maps", O_RDONLY);
3682 buffer = malloc (MAPS_BUFFER_SIZE);
3683 filename = malloc (MAPS_FILENAME_SIZE);
3684 update_regions_buffer (fd, buffer);
3686 while (current != NULL) {
3687 current = parse_map_line (regions, fd, buffer, filename, current);
3699 MONO_PROFILER_STATISTICAL_CODE_END = 0,
3700 MONO_PROFILER_STATISTICAL_CODE_METHOD = 1,
3701 MONO_PROFILER_STATISTICAL_CODE_UNMANAGED_FUNCTION_ID = 2,
3702 MONO_PROFILER_STATISTICAL_CODE_UNMANAGED_FUNCTION_NEW_ID = 3,
3703 MONO_PROFILER_STATISTICAL_CODE_UNMANAGED_FUNCTION_OFFSET_IN_REGION = 4,
3704 MONO_PROFILER_STATISTICAL_CODE_CALL_CHAIN = 5,
3705 MONO_PROFILER_STATISTICAL_CODE_REGIONS = 7
3706 } MonoProfilerStatisticalCode;
3709 refresh_memory_regions (void) {
3710 ProfilerExecutableMemoryRegions *old_regions = profiler->executable_regions;
3711 ProfilerExecutableMemoryRegions *new_regions = profiler_executable_memory_regions_new (old_regions->next_id, old_regions->next_unmanaged_function_id);
3714 LOG_WRITER_THREAD ("Refreshing memory regions...");
3715 scan_process_regions (new_regions);
3716 sort_regions (new_regions);
3717 restore_old_regions (old_regions, new_regions);
3718 fix_region_references (new_regions);
3719 LOG_WRITER_THREAD ("Refreshed memory regions.");
3721 LOG_WRITER_THREAD ("Building symbol tables...");
3722 build_symbol_tables (new_regions, & (profiler->executable_files));
3724 printf ("Symbol tables done!\n");
3725 printf ("Region summary...\n");
3726 for (i = 0; i < new_regions->regions_count; i++) {
3727 ProfilerExecutableMemoryRegionData *region = new_regions->regions [i];
3728 printf ("Region %d[%d][NEW:%d] (%p-%p) at %d in file %s\n", i, region->id, region->is_new,
3729 region->start, region->end, region->file_offset, region->file_name);
3731 printf ("New symbol tables dump...\n");
3732 for (i = 0; i < new_regions->regions_count; i++) {
3733 ProfilerExecutableMemoryRegionData *region = new_regions->regions [i];
3735 if (region->is_new) {
3738 printf ("Region %d[%d][NEW:%d] (%p-%p) at %d in file %s\n", i, region->id, region->is_new,
3739 region->start, region->end, region->file_offset, region->file_name);
3740 for (symbol_index = 0; symbol_index < region->symbols_count; symbol_index ++) {
3741 ProfilerUnmanagedSymbol *symbol = & (region->symbols [symbol_index]);
3742 printf (" [%d] Symbol %s (offset %d, size %d)\n", symbol_index,
3743 executable_region_symbol_get_name (region, symbol),
3744 symbol->offset, symbol->size);
3749 LOG_WRITER_THREAD ("Built symbol tables.");
3751 // This marks the region "sub-block"
3752 write_uint32 (MONO_PROFILER_STATISTICAL_CODE_REGIONS);
3754 // First write the "removed" regions
3755 for (i = 0; i < old_regions->regions_count; i++) {
3756 ProfilerExecutableMemoryRegionData *region = old_regions->regions [i];
3757 if (! region->is_new) {
3758 #if DEBUG_STATISTICAL_PROFILER
3759 printf ("[refresh_memory_regions] Invalidated region %d\n", region->id);
3761 write_uint32 (region->id);
3766 // Then write the new ones
3767 for (i = 0; i < new_regions->regions_count; i++) {
3768 ProfilerExecutableMemoryRegionData *region = new_regions->regions [i];
3769 if (region->is_new) {
3770 region->is_new = FALSE;
3772 #if DEBUG_STATISTICAL_PROFILER
3773 printf ("[refresh_memory_regions] Wrote region %d (%p-%p[%d] '%s')\n", region->id, region->start, region->end, region->file_offset, region->file_name);
3775 write_uint32 (region->id);
3776 write_uint64 (GPOINTER_TO_UINT (region->start));
3777 write_uint32 (GPOINTER_TO_UINT (region->end) - GPOINTER_TO_UINT (region->start));
3778 write_uint32 (region->file_offset);
3779 write_string (region->file_name);
3784 // Finally, free the old ones, and replace them
3785 profiler_executable_memory_regions_destroy (old_regions);
3786 profiler->executable_regions = new_regions;
3790 write_statistical_hit (gpointer address, gboolean regions_refreshed) {
3791 ProfilerCodeBuffer *code_buffer = profiler_code_buffer_from_address (profiler, address);
3793 if ((code_buffer != NULL) && (code_buffer->info.type == MONO_PROFILER_CODE_BUFFER_METHOD)) {
3794 MonoMethod *method = code_buffer->info.data.method;
3795 MethodIdMappingElement *element = method_id_mapping_element_get (method);
3797 if (element != NULL) {
3798 #if DEBUG_STATISTICAL_PROFILER
3799 printf ("[write_statistical_hit] Wrote method %d\n", element->id);
3801 write_uint32 ((element->id << 3) | MONO_PROFILER_STATISTICAL_CODE_METHOD);
3803 #if DEBUG_STATISTICAL_PROFILER
3804 printf ("[write_statistical_hit] Wrote unknown method %p\n", method);
3806 write_uint32 (MONO_PROFILER_STATISTICAL_CODE_METHOD);
3809 ProfilerExecutableMemoryRegionData *region = find_address_region (profiler->executable_regions, address);
3811 if (region == NULL && ! regions_refreshed) {
3812 #if DEBUG_STATISTICAL_PROFILER
3813 printf ("[write_statistical_hit] Cannot find region for address %p, refreshing...\n", address);
3815 refresh_memory_regions ();
3816 regions_refreshed = TRUE;
3817 region = find_address_region (profiler->executable_regions, address);
3820 if (region != NULL) {
3821 guint32 offset = ((guint8*)address) - ((guint8*)region->start);
3822 ProfilerUnmanagedSymbol *symbol = executable_memory_region_find_symbol (region, offset);
3824 if (symbol != NULL) {
3825 if (symbol->id > 0) {
3826 #if DEBUG_STATISTICAL_PROFILER
3827 printf ("[write_statistical_hit] Wrote unmanaged symbol %d\n", symbol->id);
3829 write_uint32 ((symbol->id << 3) | MONO_PROFILER_STATISTICAL_CODE_UNMANAGED_FUNCTION_ID);
3831 ProfilerExecutableMemoryRegions *regions = profiler->executable_regions;
3832 const char *symbol_name = executable_region_symbol_get_name (region, symbol);
3833 symbol->id = regions->next_unmanaged_function_id;
3834 regions->next_unmanaged_function_id ++;
3835 #if DEBUG_STATISTICAL_PROFILER
3836 printf ("[write_statistical_hit] Wrote new unmanaged symbol in region %d[%d]\n", region->id, offset);
3838 write_uint32 ((region->id << 3) | MONO_PROFILER_STATISTICAL_CODE_UNMANAGED_FUNCTION_NEW_ID);
3839 write_uint32 (symbol->id);
3840 write_string (symbol_name);
3843 #if DEBUG_STATISTICAL_PROFILER
3844 printf ("[write_statistical_hit] Wrote unknown unmanaged hit in region %d[%d] (address %p)\n", region->id, offset, address);
3846 write_uint32 ((region->id << 3) | MONO_PROFILER_STATISTICAL_CODE_UNMANAGED_FUNCTION_OFFSET_IN_REGION);
3847 write_uint32 (offset);
3850 #if DEBUG_STATISTICAL_PROFILER
3851 printf ("[write_statistical_hit] Wrote unknown unmanaged hit %p\n", address);
3853 write_uint32 (MONO_PROFILER_STATISTICAL_CODE_UNMANAGED_FUNCTION_OFFSET_IN_REGION);
3854 write_uint64 (GPOINTER_TO_UINT (address));
3858 return regions_refreshed;
3862 flush_all_mappings (void);
3865 write_statistical_data_block (ProfilerStatisticalData *data) {
3866 int start_index = data->first_unwritten_index;
3867 int end_index = data->next_free_index;
3868 gboolean regions_refreshed = FALSE;
3869 int call_chain_depth = profiler->statistical_call_chain_depth;
3872 if (end_index > data->end_index)
3873 end_index = data->end_index;
3875 if (start_index == end_index)
3878 data->first_unwritten_index = end_index;
3880 write_clock_data ();
3882 #if DEBUG_STATISTICAL_PROFILER
3883 printf ("[write_statistical_data_block] Starting loop at index %d\n", start_index);
3886 for (index = start_index; index < end_index; index ++) {
3887 int base_index = index * (call_chain_depth + 1);
3888 ProfilerStatisticalHit hit = data->hits [base_index];
3891 regions_refreshed = write_statistical_hit (hit.address, regions_refreshed);
3894 for (callers_count = 0; callers_count < call_chain_depth; callers_count ++) {
3895 hit = data->hits [base_index + callers_count];
3896 if (hit.address == NULL) {
3901 if (callers_count > 0) {
3902 write_uint32 ((callers_count << 3) | MONO_PROFILER_STATISTICAL_CODE_CALL_CHAIN);
3904 for (callers_count = 0; callers_count < call_chain_depth; callers_count ++) {
3905 hit = data->hits [base_index + callers_count];
3906 if (hit.address != NULL) {
3907 regions_refreshed = write_statistical_hit (hit.address, regions_refreshed);
3914 write_uint32 (MONO_PROFILER_STATISTICAL_CODE_END);
3916 #if DEBUG_STATISTICAL_PROFILER
3917 printf ("[write_statistical_data_block] Ending loop at index %d\n", end_index);
3919 write_clock_data ();
3921 write_current_block (MONO_PROFILER_FILE_BLOCK_KIND_STATISTICAL);
3925 write_intro_block (void) {
3927 write_string ("mono");
3928 write_uint32 (profiler->flags);
3929 write_uint64 (profiler->start_counter);
3930 write_uint64 (profiler->start_time);
3931 write_current_block (MONO_PROFILER_FILE_BLOCK_KIND_INTRO);
3935 write_end_block (void) {
3937 write_uint64 (profiler->end_counter);
3938 write_uint64 (profiler->end_time);
3939 write_current_block (MONO_PROFILER_FILE_BLOCK_KIND_END);
3943 update_mapping (ProfilerPerThreadData *data) {
3944 ProfilerEventData *start = data->first_unmapped_event;
3945 ProfilerEventData *end = data->next_free_event;
3946 data->first_unmapped_event = end;
3948 #if (DEBUG_LOGGING_PROFILER)
3949 printf ("[update_mapping][TID %ld] START\n", data->thread_id);
3951 while (start < end) {
3952 #if DEBUG_LOGGING_PROFILER
3953 printf ("Examining event %p[TID %ld] looking for a new mapping...\n", start, data->thread_id);
3955 if (start->data_type == MONO_PROFILER_EVENT_DATA_TYPE_CLASS) {
3956 ClassIdMappingElement *element = class_id_mapping_element_get (start->data.address);
3957 if (element == NULL) {
3958 MonoClass *klass = start->data.address;
3959 class_id_mapping_element_new (klass);
3961 } else if (start->data_type == MONO_PROFILER_EVENT_DATA_TYPE_METHOD) {
3962 MethodIdMappingElement *element = method_id_mapping_element_get (start->data.address);
3963 if (element == NULL) {
3964 MonoMethod *method = start->data.address;
3965 if (method != NULL) {
3966 method_id_mapping_element_new (method);
3971 if (start->value == MAX_EVENT_VALUE) {
3976 #if (DEBUG_LOGGING_PROFILER)
3977 printf ("[update_mapping][TID %ld] END\n", data->thread_id);
3982 flush_all_mappings (void) {
3983 ProfilerPerThreadData *data;
3985 for (data = profiler->per_thread_data; data != NULL; data = data->next) {
3986 update_mapping (data);
3988 for (data = profiler->per_thread_data; data != NULL; data = data->next) {
3989 write_mapping_block (data->thread_id);
3994 flush_full_event_data_buffer (ProfilerPerThreadData *data) {
3997 // We flush all mappings because some id definitions could come
3998 // from other threads
3999 flush_all_mappings ();
4000 g_assert (data->first_unmapped_event >= data->next_free_event);
4002 write_thread_data_block (data);
4004 data->next_free_event = data->events;
4005 data->next_unreserved_event = data->events;
4006 data->first_unwritten_event = data->events;
4007 data->first_unmapped_event = data->events;
4008 MONO_PROFILER_GET_CURRENT_COUNTER (data->start_event_counter);
4009 data->last_event_counter = data->start_event_counter;
4014 /* The ">=" operator is intentional, to leave one spare slot for "extended values" */
4015 #define RESERVE_EVENTS(d,e,count) do {\
4016 if ((d)->next_unreserved_event >= ((d)->end_event - (count))) {\
4017 flush_full_event_data_buffer (d);\
4019 (e) = (d)->next_unreserved_event;\
4020 (d)->next_unreserved_event += (count);\
4022 #define GET_NEXT_FREE_EVENT(d,e) RESERVE_EVENTS ((d),(e),1)
4023 #define COMMIT_RESERVED_EVENTS(d) do {\
4024 data->next_free_event = data->next_unreserved_event;\
4028 flush_everything (void) {
4029 ProfilerPerThreadData *data;
4031 flush_all_mappings ();
4032 for (data = profiler->per_thread_data; data != NULL; data = data->next) {
4033 write_thread_data_block (data);
4035 write_statistical_data_block (profiler->statistical_data);
4038 #define RESULT_TO_LOAD_CODE(r) (((r)==MONO_PROFILE_OK)?MONO_PROFILER_LOADED_EVENT_SUCCESS:MONO_PROFILER_LOADED_EVENT_FAILURE)
4040 appdomain_start_load (MonoProfiler *profiler, MonoDomain *domain) {
4042 loaded_element_load_start (profiler->loaded_appdomains, domain);
4047 appdomain_end_load (MonoProfiler *profiler, MonoDomain *domain, int result) {
4049 LoadedElement *element;
4051 name = g_strdup_printf ("%d", mono_domain_get_id (domain));
4053 element = loaded_element_load_end (profiler->loaded_appdomains, domain, name);
4054 write_element_load_block (element, MONO_PROFILER_LOADED_EVENT_APPDOMAIN | RESULT_TO_LOAD_CODE (result), CURRENT_THREAD_ID (), domain);
4059 appdomain_start_unload (MonoProfiler *profiler, MonoDomain *domain) {
4061 loaded_element_unload_start (profiler->loaded_appdomains, domain);
4062 flush_everything ();
4067 appdomain_end_unload (MonoProfiler *profiler, MonoDomain *domain) {
4068 LoadedElement *element;
4071 element = loaded_element_unload_end (profiler->loaded_appdomains, domain);
4072 write_element_unload_block (element, MONO_PROFILER_LOADED_EVENT_APPDOMAIN, CURRENT_THREAD_ID ());
4077 module_start_load (MonoProfiler *profiler, MonoImage *module) {
4079 loaded_element_load_start (profiler->loaded_modules, module);
4084 module_end_load (MonoProfiler *profiler, MonoImage *module, int result) {
4086 MonoAssemblyName aname;
4087 LoadedElement *element;
4089 if (mono_assembly_fill_assembly_name (module, &aname)) {
4090 name = mono_stringify_assembly_name (&aname);
4092 name = g_strdup_printf ("Dynamic module \"%p\"", module);
4095 element = loaded_element_load_end (profiler->loaded_modules, module, name);
4096 write_element_load_block (element, MONO_PROFILER_LOADED_EVENT_MODULE | RESULT_TO_LOAD_CODE (result), CURRENT_THREAD_ID (), module);
4101 module_start_unload (MonoProfiler *profiler, MonoImage *module) {
4103 loaded_element_unload_start (profiler->loaded_modules, module);
4104 flush_everything ();
4109 module_end_unload (MonoProfiler *profiler, MonoImage *module) {
4110 LoadedElement *element;
4113 element = loaded_element_unload_end (profiler->loaded_modules, module);
4114 write_element_unload_block (element, MONO_PROFILER_LOADED_EVENT_MODULE, CURRENT_THREAD_ID ());
4119 assembly_start_load (MonoProfiler *profiler, MonoAssembly *assembly) {
4121 loaded_element_load_start (profiler->loaded_assemblies, assembly);
4126 assembly_end_load (MonoProfiler *profiler, MonoAssembly *assembly, int result) {
4128 MonoAssemblyName aname;
4129 LoadedElement *element;
4131 if (mono_assembly_fill_assembly_name (mono_assembly_get_image (assembly), &aname)) {
4132 name = mono_stringify_assembly_name (&aname);
4134 name = g_strdup_printf ("Dynamic assembly \"%p\"", assembly);
4137 element = loaded_element_load_end (profiler->loaded_assemblies, assembly, name);
4138 write_element_load_block (element, MONO_PROFILER_LOADED_EVENT_ASSEMBLY | RESULT_TO_LOAD_CODE (result), CURRENT_THREAD_ID (), assembly);
4143 assembly_start_unload (MonoProfiler *profiler, MonoAssembly *assembly) {
4145 loaded_element_unload_start (profiler->loaded_assemblies, assembly);
4146 flush_everything ();
4150 assembly_end_unload (MonoProfiler *profiler, MonoAssembly *assembly) {
4151 LoadedElement *element;
4154 element = loaded_element_unload_end (profiler->loaded_assemblies, assembly);
4155 write_element_unload_block (element, MONO_PROFILER_LOADED_EVENT_ASSEMBLY, CURRENT_THREAD_ID ());
4159 #if (DEBUG_LOGGING_PROFILER)
4161 class_event_code_to_string (MonoProfilerClassEvents code) {
4163 case MONO_PROFILER_EVENT_CLASS_LOAD: return "LOAD";
4164 case MONO_PROFILER_EVENT_CLASS_UNLOAD: return "UNLOAD";
4165 case MONO_PROFILER_EVENT_CLASS_ALLOCATION: return "ALLOCATION";
4166 case MONO_PROFILER_EVENT_CLASS_EXCEPTION: return "EXCEPTION";
4167 default: g_assert_not_reached (); return "";
4171 method_event_code_to_string (MonoProfilerMethodEvents code) {
4173 case MONO_PROFILER_EVENT_METHOD_CALL: return "CALL";
4174 case MONO_PROFILER_EVENT_METHOD_JIT: return "JIT";
4175 case MONO_PROFILER_EVENT_METHOD_FREED: return "FREED";
4176 case MONO_PROFILER_EVENT_METHOD_ALLOCATION_CALLER: return "ALLOCATION_CALLER";
4177 case MONO_PROFILER_EVENT_METHOD_ALLOCATION_JIT_TIME_CALLER: return "ALLOCATION_JIT_TIME_CALLER";
4178 case MONO_PROFILER_EVENT_ALLOCATION_OBJECT_ID: return "ALLOCATION_OBJECT_ID";
4179 default: g_assert_not_reached (); return "";
4183 number_event_code_to_string (MonoProfilerEvents code) {
4185 case MONO_PROFILER_EVENT_THREAD: return "THREAD";
4186 case MONO_PROFILER_EVENT_GC_COLLECTION: return "GC_COLLECTION";
4187 case MONO_PROFILER_EVENT_GC_MARK: return "GC_MARK";
4188 case MONO_PROFILER_EVENT_GC_SWEEP: return "GC_SWEEP";
4189 case MONO_PROFILER_EVENT_GC_RESIZE: return "GC_RESIZE";
4190 case MONO_PROFILER_EVENT_GC_STOP_WORLD: return "GC_STOP_WORLD";
4191 case MONO_PROFILER_EVENT_GC_START_WORLD: return "GC_START_WORLD";
4192 case MONO_PROFILER_EVENT_JIT_TIME_ALLOCATION: return "JIT_TIME_ALLOCATION";
4193 case MONO_PROFILER_EVENT_STACK_SECTION: return "STACK_SECTION";
4194 case MONO_PROFILER_EVENT_ALLOCATION_OBJECT_ID: return "ALLOCATION_OBJECT_ID";
4195 default: g_assert_not_reached (); return "";
4199 event_result_to_string (MonoProfilerEventResult code) {
4201 case MONO_PROFILER_EVENT_RESULT_SUCCESS: return "SUCCESS";
4202 case MONO_PROFILER_EVENT_RESULT_FAILURE: return "FAILURE";
4203 default: g_assert_not_reached (); return "";
4207 event_kind_to_string (MonoProfilerEventKind code) {
4209 case MONO_PROFILER_EVENT_KIND_START: return "START";
4210 case MONO_PROFILER_EVENT_KIND_END: return "END";
4211 default: g_assert_not_reached (); return "";
4215 print_event_data (ProfilerPerThreadData *data, ProfilerEventData *event, guint64 value) {
4216 if (event->data_type == MONO_PROFILER_EVENT_DATA_TYPE_CLASS) {
4217 printf ("STORE EVENT [TID %ld][EVENT %ld] CLASS[%p] %s:%s:%s[%d-%d-%d] %ld (%s.%s)\n",
4219 event - data->events,
4220 event->data.address,
4221 class_event_code_to_string (event->code & ~MONO_PROFILER_EVENT_RESULT_MASK),
4222 event_result_to_string (event->code & MONO_PROFILER_EVENT_RESULT_MASK),
4223 event_kind_to_string (event->kind),
4228 mono_class_get_namespace ((MonoClass*) event->data.address),
4229 mono_class_get_name ((MonoClass*) event->data.address));
4230 } else if (event->data_type == MONO_PROFILER_EVENT_DATA_TYPE_METHOD) {
4231 printf ("STORE EVENT [TID %ld][EVENT %ld] METHOD[%p] %s:%s:%s[%d-%d-%d] %ld (%s.%s:%s (?))\n",
4233 event - data->events,
4234 event->data.address,
4235 method_event_code_to_string (event->code & ~MONO_PROFILER_EVENT_RESULT_MASK),
4236 event_result_to_string (event->code & MONO_PROFILER_EVENT_RESULT_MASK),
4237 event_kind_to_string (event->kind),
4242 (event->data.address != NULL) ? mono_class_get_namespace (mono_method_get_class ((MonoMethod*) event->data.address)) : "<NULL>",
4243 (event->data.address != NULL) ? mono_class_get_name (mono_method_get_class ((MonoMethod*) event->data.address)) : "<NULL>",
4244 (event->data.address != NULL) ? mono_method_get_name ((MonoMethod*) event->data.address) : "<NULL>");
4246 printf ("STORE EVENT [TID %ld][EVENT %ld] NUMBER[%ld] %s:%s[%d-%d-%d] %ld\n",
4248 event - data->events,
4249 (guint64) event->data.number,
4250 number_event_code_to_string (event->code),
4251 event_kind_to_string (event->kind),
4258 #define LOG_EVENT(data,ev,val) print_event_data ((data),(ev),(val))
4260 #define LOG_EVENT(data,ev,val)
4263 #define RESULT_TO_EVENT_CODE(r) (((r)==MONO_PROFILE_OK)?MONO_PROFILER_EVENT_RESULT_SUCCESS:MONO_PROFILER_EVENT_RESULT_FAILURE)
4265 #define STORE_EVENT_ITEM_COUNTER(event,p,i,dt,c,k) do {\
4268 MONO_PROFILER_GET_CURRENT_COUNTER (counter);\
4269 (event)->data.address = (i);\
4270 (event)->data_type = (dt);\
4271 (event)->code = (c);\
4272 (event)->kind = (k);\
4273 delta = counter - data->last_event_counter;\
4274 if (delta < MAX_EVENT_VALUE) {\
4275 (event)->value = delta;\
4277 ProfilerEventData *extension = data->next_unreserved_event;\
4278 data->next_unreserved_event ++;\
4279 (event)->value = MAX_EVENT_VALUE;\
4280 *(guint64*)extension = delta;\
4282 data->last_event_counter = counter;\
4283 LOG_EVENT (data, (event), delta);\
4285 #define STORE_EVENT_ITEM_VALUE(event,p,i,dt,c,k,v) do {\
4286 (event)->data.address = (i);\
4287 (event)->data_type = (dt);\
4288 (event)->code = (c);\
4289 (event)->kind = (k);\
4290 if ((v) < MAX_EVENT_VALUE) {\
4291 (event)->value = (v);\
4293 ProfilerEventData *extension = data->next_unreserved_event;\
4294 data->next_unreserved_event ++;\
4295 (event)->value = MAX_EVENT_VALUE;\
4296 *(guint64*)extension = (v);\
4298 LOG_EVENT (data, (event), (v));\
4300 #define STORE_EVENT_NUMBER_COUNTER(event,p,n,dt,c,k) do {\
4303 MONO_PROFILER_GET_CURRENT_COUNTER (counter);\
4304 (event)->data.number = (n);\
4305 (event)->data_type = (dt);\
4306 (event)->code = (c);\
4307 (event)->kind = (k);\
4308 delta = counter - data->last_event_counter;\
4309 if (delta < MAX_EVENT_VALUE) {\
4310 (event)->value = delta;\
4312 ProfilerEventData *extension = data->next_unreserved_event;\
4313 data->next_unreserved_event ++;\
4314 (event)->value = MAX_EVENT_VALUE;\
4315 *(guint64*)extension = delta;\
4317 data->last_event_counter = counter;\
4318 LOG_EVENT (data, (event), delta);\
4320 #define STORE_EVENT_NUMBER_VALUE(event,p,n,dt,c,k,v) do {\
4321 (event)->data.number = (n);\
4322 (event)->data_type = (dt);\
4323 (event)->code = (c);\
4324 (event)->kind = (k);\
4325 if ((v) < MAX_EVENT_VALUE) {\
4326 (event)->value = (v);\
4328 ProfilerEventData *extension = data->next_unreserved_event;\
4329 data->next_unreserved_event ++;\
4330 (event)->value = MAX_EVENT_VALUE;\
4331 *(guint64*)extension = (v);\
4333 LOG_EVENT (data, (event), (v));\
4335 #define INCREMENT_EVENT(event) do {\
4336 if ((event)->value != MAX_EVENT_VALUE) {\
4344 class_start_load (MonoProfiler *profiler, MonoClass *klass) {
4345 ProfilerPerThreadData *data;
4346 ProfilerEventData *event;
4347 GET_PROFILER_THREAD_DATA (data);
4348 GET_NEXT_FREE_EVENT (data, event);
4349 STORE_EVENT_ITEM_COUNTER (event, profiler, klass, MONO_PROFILER_EVENT_DATA_TYPE_CLASS, MONO_PROFILER_EVENT_CLASS_LOAD, MONO_PROFILER_EVENT_KIND_START);
4350 COMMIT_RESERVED_EVENTS (data);
4353 class_end_load (MonoProfiler *profiler, MonoClass *klass, int result) {
4354 ProfilerPerThreadData *data;
4355 ProfilerEventData *event;
4356 GET_PROFILER_THREAD_DATA (data);
4357 GET_NEXT_FREE_EVENT (data, event);
4358 STORE_EVENT_ITEM_COUNTER (event, profiler, klass, MONO_PROFILER_EVENT_DATA_TYPE_CLASS, MONO_PROFILER_EVENT_CLASS_LOAD | RESULT_TO_EVENT_CODE (result), MONO_PROFILER_EVENT_KIND_END);
4359 COMMIT_RESERVED_EVENTS (data);
4362 class_start_unload (MonoProfiler *profiler, MonoClass *klass) {
4363 ProfilerPerThreadData *data;
4364 ProfilerEventData *event;
4365 GET_PROFILER_THREAD_DATA (data);
4366 GET_NEXT_FREE_EVENT (data, event);
4367 STORE_EVENT_ITEM_COUNTER (event, profiler, klass, MONO_PROFILER_EVENT_DATA_TYPE_CLASS, MONO_PROFILER_EVENT_CLASS_UNLOAD, MONO_PROFILER_EVENT_KIND_START);
4368 COMMIT_RESERVED_EVENTS (data);
4371 class_end_unload (MonoProfiler *profiler, MonoClass *klass) {
4372 ProfilerPerThreadData *data;
4373 ProfilerEventData *event;
4374 GET_PROFILER_THREAD_DATA (data);
4375 GET_NEXT_FREE_EVENT (data, event);
4376 STORE_EVENT_ITEM_COUNTER (event, profiler, klass, MONO_PROFILER_EVENT_DATA_TYPE_CLASS, MONO_PROFILER_EVENT_CLASS_UNLOAD, MONO_PROFILER_EVENT_KIND_END);
4377 COMMIT_RESERVED_EVENTS (data);
4381 method_start_jit (MonoProfiler *profiler, MonoMethod *method) {
4382 ProfilerPerThreadData *data;
4383 ProfilerEventData *event;
4384 GET_PROFILER_THREAD_DATA (data);
4385 GET_NEXT_FREE_EVENT (data, event);
4386 thread_stack_push_jitted_safely (&(data->stack), method, TRUE);
4387 STORE_EVENT_ITEM_COUNTER (event, profiler, method, MONO_PROFILER_EVENT_DATA_TYPE_METHOD, MONO_PROFILER_EVENT_METHOD_JIT, MONO_PROFILER_EVENT_KIND_START);
4388 COMMIT_RESERVED_EVENTS (data);
4391 method_end_jit (MonoProfiler *profiler, MonoMethod *method, int result) {
4392 ProfilerPerThreadData *data;
4393 ProfilerEventData *event;
4394 GET_PROFILER_THREAD_DATA (data);
4395 GET_NEXT_FREE_EVENT (data, event);
4396 STORE_EVENT_ITEM_COUNTER (event, profiler, method, MONO_PROFILER_EVENT_DATA_TYPE_METHOD, MONO_PROFILER_EVENT_METHOD_JIT | RESULT_TO_EVENT_CODE (result), MONO_PROFILER_EVENT_KIND_END);
4397 thread_stack_pop (&(data->stack));
4398 COMMIT_RESERVED_EVENTS (data);
4403 method_jit_result (MonoProfiler *prof, MonoMethod *method, MonoJitInfo* jinfo, int result) {
4404 if (profiler->action_flags.oprofile && (result == MONO_PROFILE_OK)) {
4405 MonoClass *klass = mono_method_get_class (method);
4406 char *signature = mono_signature_get_desc (mono_method_signature (method), TRUE);
4407 char *name = g_strdup_printf ("%s.%s:%s (%s)", mono_class_get_namespace (klass), mono_class_get_name (klass), mono_method_get_name (method), signature);
4408 gpointer code_start = mono_jit_info_get_code_start (jinfo);
4409 int code_size = mono_jit_info_get_code_size (jinfo);
4411 if (op_write_native_code (name, code_start, code_size)) {
4412 g_warning ("Problem calling op_write_native_code\n");
4423 method_enter (MonoProfiler *profiler, MonoMethod *method) {
4424 ProfilerPerThreadData *data;
4426 CHECK_PROFILER_ENABLED ();
4427 GET_PROFILER_THREAD_DATA (data);
4428 if (profiler->action_flags.track_calls) {
4429 ProfilerEventData *event;
4430 GET_NEXT_FREE_EVENT (data, event);
4431 STORE_EVENT_ITEM_COUNTER (event, profiler, method, MONO_PROFILER_EVENT_DATA_TYPE_METHOD, MONO_PROFILER_EVENT_METHOD_CALL, MONO_PROFILER_EVENT_KIND_START);
4432 COMMIT_RESERVED_EVENTS (data);
4434 if (profiler->action_flags.track_stack) {
4435 thread_stack_push_safely (&(data->stack), method);
4439 method_leave (MonoProfiler *profiler, MonoMethod *method) {
4440 ProfilerPerThreadData *data;
4442 CHECK_PROFILER_ENABLED ();
4443 GET_PROFILER_THREAD_DATA (data);
4444 if (profiler->action_flags.track_calls) {
4445 ProfilerEventData *event;
4446 GET_NEXT_FREE_EVENT (data, event);
4447 STORE_EVENT_ITEM_COUNTER (event, profiler, method, MONO_PROFILER_EVENT_DATA_TYPE_METHOD, MONO_PROFILER_EVENT_METHOD_CALL, MONO_PROFILER_EVENT_KIND_END);
4448 COMMIT_RESERVED_EVENTS (data);
4450 if (profiler->action_flags.track_stack) {
4451 thread_stack_pop (&(data->stack));
4456 method_free (MonoProfiler *profiler, MonoMethod *method) {
4457 ProfilerPerThreadData *data;
4458 ProfilerEventData *event;
4459 GET_PROFILER_THREAD_DATA (data);
4460 GET_NEXT_FREE_EVENT (data, event);
4461 STORE_EVENT_ITEM_COUNTER (event, profiler, method, MONO_PROFILER_EVENT_DATA_TYPE_METHOD, MONO_PROFILER_EVENT_METHOD_FREED, 0);
4462 COMMIT_RESERVED_EVENTS (data);
4466 thread_start (MonoProfiler *profiler, uintptr_t tid) {
4467 ProfilerPerThreadData *data;
4468 ProfilerEventData *event;
4469 GET_PROFILER_THREAD_DATA (data);
4470 GET_NEXT_FREE_EVENT (data, event);
4471 STORE_EVENT_NUMBER_COUNTER (event, profiler, tid, MONO_PROFILER_EVENT_DATA_TYPE_OTHER, MONO_PROFILER_EVENT_THREAD, MONO_PROFILER_EVENT_KIND_START);
4472 COMMIT_RESERVED_EVENTS (data);
4475 thread_end (MonoProfiler *profiler, uintptr_t tid) {
4476 ProfilerPerThreadData *data;
4477 ProfilerEventData *event;
4478 GET_PROFILER_THREAD_DATA (data);
4479 GET_NEXT_FREE_EVENT (data, event);
4480 STORE_EVENT_NUMBER_COUNTER (event, profiler, tid, MONO_PROFILER_EVENT_DATA_TYPE_OTHER, MONO_PROFILER_EVENT_THREAD, MONO_PROFILER_EVENT_KIND_END);
4481 COMMIT_RESERVED_EVENTS (data);
4484 static ProfilerEventData*
4485 save_stack_delta (MonoProfiler *profiler, ProfilerPerThreadData *data, ProfilerEventData *events, int unsaved_frames) {
4488 /* In this loop it is safe to simply increment "events" because MAX_EVENT_VALUE cannot be reached. */
4489 STORE_EVENT_NUMBER_VALUE (events, profiler, data->stack.last_saved_top, MONO_PROFILER_EVENT_DATA_TYPE_OTHER, MONO_PROFILER_EVENT_STACK_SECTION, 0, unsaved_frames);
4491 for (i = 0; i < unsaved_frames; i++) {
4492 if (! thread_stack_index_from_top_is_jitted (&(data->stack), i)) {
4493 STORE_EVENT_ITEM_VALUE (events, profiler, thread_stack_index_from_top (&(data->stack), i), MONO_PROFILER_EVENT_DATA_TYPE_METHOD, MONO_PROFILER_EVENT_METHOD_ALLOCATION_CALLER, 0, 0);
4495 STORE_EVENT_ITEM_VALUE (events, profiler, thread_stack_index_from_top (&(data->stack), i), MONO_PROFILER_EVENT_DATA_TYPE_METHOD, MONO_PROFILER_EVENT_METHOD_ALLOCATION_JIT_TIME_CALLER, 0, 0);
4500 data->stack.last_saved_top = data->stack.top;
4506 object_allocated (MonoProfiler *profiler, MonoObject *obj, MonoClass *klass) {
4507 ProfilerPerThreadData *data;
4508 ProfilerEventData *events;
4510 int event_slot_count;
4512 GET_PROFILER_THREAD_DATA (data);
4513 event_slot_count = 1;
4514 if (profiler->action_flags.save_allocation_caller) {
4515 event_slot_count ++;
4517 if (profiler->action_flags.allocations_carry_id) {
4518 event_slot_count ++;
4520 if (profiler->action_flags.save_allocation_stack) {
4521 unsaved_frames = thread_stack_count_unsaved_frames (&(data->stack));
4522 event_slot_count += (unsaved_frames + 1);
4526 RESERVE_EVENTS (data, events, event_slot_count);
4528 if (profiler->action_flags.save_allocation_stack) {
4529 events = save_stack_delta (profiler, data, events, unsaved_frames);
4532 STORE_EVENT_ITEM_VALUE (events, profiler, klass, MONO_PROFILER_EVENT_DATA_TYPE_CLASS, MONO_PROFILER_EVENT_CLASS_ALLOCATION, 0, (guint64) mono_object_get_size (obj));
4533 if (profiler->action_flags.unreachable_objects || profiler->action_flags.heap_shot || profiler->action_flags.collection_summary) {
4534 STORE_ALLOCATED_OBJECT (data, obj);
4537 if (profiler->action_flags.save_allocation_caller) {
4538 MonoMethod *caller = thread_stack_top (&(data->stack));
4539 gboolean caller_is_jitted = thread_stack_top_is_jitted (&(data->stack));
4541 /* In this loop it is safe to simply increment "events" because MAX_EVENT_VALUE cannot be reached. */
4544 while ((caller != NULL) && (caller->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)) {
4545 caller = thread_stack_index_from_top (&(data->stack), index);
4546 caller_is_jitted = thread_stack_index_from_top_is_jitted (&(data->stack), index);
4549 if (! caller_is_jitted) {
4550 STORE_EVENT_ITEM_VALUE (events, profiler, caller, MONO_PROFILER_EVENT_DATA_TYPE_METHOD, MONO_PROFILER_EVENT_METHOD_ALLOCATION_CALLER, 0, 0);
4552 STORE_EVENT_ITEM_VALUE (events, profiler, caller, MONO_PROFILER_EVENT_DATA_TYPE_METHOD, MONO_PROFILER_EVENT_METHOD_ALLOCATION_JIT_TIME_CALLER, 0, 0);
4555 if (profiler->action_flags.allocations_carry_id) {
4557 STORE_EVENT_ITEM_VALUE (events, profiler, obj, MONO_PROFILER_EVENT_DATA_TYPE_OTHER, MONO_PROFILER_EVENT_ALLOCATION_OBJECT_ID, 0, 0);
4560 COMMIT_RESERVED_EVENTS (data);
4564 monitor_event (MonoProfiler *profiler, MonoObject *obj, MonoProfilerMonitorEvent event) {
4565 ProfilerPerThreadData *data;
4566 ProfilerEventData *events;
4569 int event_slot_count;
4571 CHECK_PROFILER_ENABLED ();
4573 GET_PROFILER_THREAD_DATA (data);
4574 klass = mono_object_get_class (obj);
4576 unsaved_frames = thread_stack_count_unsaved_frames (&(data->stack));
4577 if (unsaved_frames > 0) {
4578 event_slot_count = unsaved_frames + 3;
4580 event_slot_count = 2;
4583 RESERVE_EVENTS (data, events, event_slot_count);
4584 if (unsaved_frames > 0) {
4585 events = save_stack_delta (profiler, data, events, unsaved_frames);
4587 STORE_EVENT_ITEM_COUNTER (events, profiler, klass, MONO_PROFILER_EVENT_DATA_TYPE_CLASS, MONO_PROFILER_EVENT_CLASS_MONITOR, MONO_PROFILER_EVENT_KIND_START);
4588 INCREMENT_EVENT (events);
4589 STORE_EVENT_ITEM_VALUE (events, profiler, obj, MONO_PROFILER_EVENT_DATA_TYPE_OTHER, MONO_PROFILER_EVENT_OBJECT_MONITOR, 0, event);
4590 COMMIT_RESERVED_EVENTS (data);
4594 statistical_call_chain (MonoProfiler *profiler, int call_chain_depth, guchar **ips, void *context) {
4595 MonoDomain *domain = mono_domain_get ();
4596 ProfilerStatisticalData *data;
4599 CHECK_PROFILER_ENABLED ();
4601 data = profiler->statistical_data;
4602 index = InterlockedIncrement ((int*) &data->next_free_index);
4604 if (index <= data->end_index) {
4605 unsigned int base_index = (index - 1) * (profiler->statistical_call_chain_depth + 1);
4606 unsigned int call_chain_index = 0;
4608 //printf ("[statistical_call_chain] (%d)\n", call_chain_depth);
4609 while (call_chain_index < call_chain_depth) {
4610 ProfilerStatisticalHit *hit = & (data->hits [base_index + call_chain_index]);
4611 //printf ("[statistical_call_chain] [%d] = %p\n", base_index + call_chain_index, ips [call_chain_index]);
4612 hit->address = (gpointer) ips [call_chain_index];
4613 hit->domain = domain;
4614 call_chain_index ++;
4616 while (call_chain_index <= profiler->statistical_call_chain_depth) {
4617 ProfilerStatisticalHit *hit = & (data->hits [base_index + call_chain_index]);
4618 //printf ("[statistical_call_chain] [%d] = NULL\n", base_index + call_chain_index);
4619 hit->address = NULL;
4621 call_chain_index ++;
4624 /* Check if we are the one that must swap the buffers */
4625 if (index == data->end_index + 1) {
4626 ProfilerStatisticalData *new_data;
4628 /* In the *impossible* case that the writer thread has not finished yet, */
4629 /* loop waiting for it and meanwhile lose all statistical events... */
4631 /* First, wait that it consumed the ready buffer */
4632 while (profiler->statistical_data_ready != NULL);
4633 /* Then, wait that it produced the free buffer */
4634 new_data = profiler->statistical_data_second_buffer;
4635 } while (new_data == NULL);
4637 profiler->statistical_data_ready = data;
4638 profiler->statistical_data = new_data;
4639 profiler->statistical_data_second_buffer = NULL;
4640 WRITER_EVENT_RAISE ();
4641 /* Otherwise exit from the handler and drop the event... */
4646 /* Loop again, hoping to acquire a free slot this time (otherwise the event will be dropped) */
4649 } while (data == NULL);
4653 statistical_hit (MonoProfiler *profiler, guchar *ip, void *context) {
4654 MonoDomain *domain = mono_domain_get ();
4655 ProfilerStatisticalData *data;
4658 CHECK_PROFILER_ENABLED ();
4660 data = profiler->statistical_data;
4661 index = InterlockedIncrement ((int*) &data->next_free_index);
4663 if (index <= data->end_index) {
4664 ProfilerStatisticalHit *hit = & (data->hits [index - 1]);
4665 hit->address = (gpointer) ip;
4666 hit->domain = domain;
4668 /* Check if we are the one that must swap the buffers */
4669 if (index == data->end_index + 1) {
4670 ProfilerStatisticalData *new_data;
4672 /* In the *impossible* case that the writer thread has not finished yet, */
4673 /* loop waiting for it and meanwhile lose all statistical events... */
4675 /* First, wait that it consumed the ready buffer */
4676 while (profiler->statistical_data_ready != NULL);
4677 /* Then, wait that it produced the free buffer */
4678 new_data = profiler->statistical_data_second_buffer;
4679 } while (new_data == NULL);
4681 profiler->statistical_data_ready = data;
4682 profiler->statistical_data = new_data;
4683 profiler->statistical_data_second_buffer = NULL;
4684 WRITER_EVENT_RAISE ();
4687 /* Loop again, hoping to acquire a free slot this time */
4690 } while (data == NULL);
4693 static MonoProfilerEvents
4694 gc_event_code_from_profiler_event (MonoGCEvent event) {
4696 case MONO_GC_EVENT_START:
4697 case MONO_GC_EVENT_END:
4698 return MONO_PROFILER_EVENT_GC_COLLECTION;
4699 case MONO_GC_EVENT_MARK_START:
4700 case MONO_GC_EVENT_MARK_END:
4701 return MONO_PROFILER_EVENT_GC_MARK;
4702 case MONO_GC_EVENT_RECLAIM_START:
4703 case MONO_GC_EVENT_RECLAIM_END:
4704 return MONO_PROFILER_EVENT_GC_SWEEP;
4705 case MONO_GC_EVENT_PRE_STOP_WORLD:
4706 case MONO_GC_EVENT_POST_STOP_WORLD:
4707 return MONO_PROFILER_EVENT_GC_STOP_WORLD;
4708 case MONO_GC_EVENT_PRE_START_WORLD:
4709 case MONO_GC_EVENT_POST_START_WORLD:
4710 return MONO_PROFILER_EVENT_GC_START_WORLD;
4712 g_assert_not_reached ();
4717 static MonoProfilerEventKind
4718 gc_event_kind_from_profiler_event (MonoGCEvent event) {
4720 case MONO_GC_EVENT_START:
4721 case MONO_GC_EVENT_MARK_START:
4722 case MONO_GC_EVENT_RECLAIM_START:
4723 case MONO_GC_EVENT_PRE_STOP_WORLD:
4724 case MONO_GC_EVENT_PRE_START_WORLD:
4725 return MONO_PROFILER_EVENT_KIND_START;
4726 case MONO_GC_EVENT_END:
4727 case MONO_GC_EVENT_MARK_END:
4728 case MONO_GC_EVENT_RECLAIM_END:
4729 case MONO_GC_EVENT_POST_START_WORLD:
4730 case MONO_GC_EVENT_POST_STOP_WORLD:
4731 return MONO_PROFILER_EVENT_KIND_END;
4733 g_assert_not_reached ();
4739 dump_current_heap_snapshot (void) {
4742 if (profiler->heap_shot_was_requested) {
4745 if (profiler->dump_next_heap_snapshots > 0) {
4746 profiler->dump_next_heap_snapshots--;
4748 } else if (profiler->dump_next_heap_snapshots < 0) {
4759 profiler_heap_buffers_setup (ProfilerHeapShotHeapBuffers *heap) {
4760 heap->buffers = g_new (ProfilerHeapShotHeapBuffer, 1);
4761 heap->buffers->previous = NULL;
4762 heap->buffers->next = NULL;
4763 heap->buffers->start_slot = &(heap->buffers->buffer [0]);
4764 heap->buffers->end_slot = &(heap->buffers->buffer [PROFILER_HEAP_SHOT_HEAP_BUFFER_SIZE]);
4765 heap->last = heap->buffers;
4766 heap->current = heap->buffers;
4767 heap->first_free_slot = & (heap->buffers->buffer [0]);
4770 profiler_heap_buffers_clear (ProfilerHeapShotHeapBuffers *heap) {
4771 heap->buffers = NULL;
4773 heap->current = NULL;
4774 heap->first_free_slot = NULL;
4777 profiler_heap_buffers_free (ProfilerHeapShotHeapBuffers *heap) {
4778 ProfilerHeapShotHeapBuffer *current = heap->buffers;
4779 while (current != NULL) {
4780 ProfilerHeapShotHeapBuffer *next = current->next;
4784 profiler_heap_buffers_clear (heap);
4788 report_object_references (gpointer *start, ClassIdMappingElement *layout, ProfilerHeapShotWriteJob *job) {
4789 int reported_references = 0;
4792 for (slot = 0; slot < layout->data.layout.slots; slot ++) {
4793 gboolean slot_has_reference;
4794 if (layout->data.layout.slots <= CLASS_LAYOUT_PACKED_BITMAP_SIZE) {
4795 if (layout->data.bitmap.compact & (((guint64)1) << slot)) {
4796 slot_has_reference = TRUE;
4798 slot_has_reference = FALSE;
4801 if (layout->data.bitmap.extended [slot >> 3] & (1 << (slot & 7))) {
4802 slot_has_reference = TRUE;
4804 slot_has_reference = FALSE;
4808 if (slot_has_reference) {
4809 gpointer field = start [slot];
4811 if ((field != NULL) && mono_object_is_alive (field)) {
4812 reported_references ++;
4813 WRITE_HEAP_SHOT_JOB_VALUE (job, field);
4818 return reported_references;
4822 profiler_heap_report_object_reachable (ProfilerHeapShotWriteJob *job, MonoObject *obj) {
4824 MonoClass *klass = mono_object_get_class (obj);
4825 ClassIdMappingElement *class_id = class_id_mapping_element_get (klass);
4826 if (class_id == NULL) {
4827 printf ("profiler_heap_report_object_reachable: class %p (%s.%s) has no id\n", klass, mono_class_get_namespace (klass), mono_class_get_name (klass));
4829 g_assert (class_id != NULL);
4831 if (job->summary.capacity > 0) {
4832 guint32 id = class_id->id;
4833 g_assert (id < job->summary.capacity);
4835 job->summary.per_class_data [id].reachable.instances ++;
4836 job->summary.per_class_data [id].reachable.bytes += mono_object_get_size (obj);
4838 if (profiler->action_flags.heap_shot && job->dump_heap_data) {
4839 int reference_counter = 0;
4840 gpointer *reference_counter_location;
4842 WRITE_HEAP_SHOT_JOB_VALUE_WITH_CODE (job, obj, HEAP_CODE_OBJECT);
4843 #if DEBUG_HEAP_PROFILER
4844 printf ("profiler_heap_report_object_reachable: reported object %p at cursor %p\n", obj, (job->cursor - 1));
4846 WRITE_HEAP_SHOT_JOB_VALUE (job, NULL);
4847 reference_counter_location = job->cursor - 1;
4849 if (mono_class_get_rank (klass)) {
4850 MonoArray *array = (MonoArray *) obj;
4851 MonoClass *element_class = mono_class_get_element_class (klass);
4852 ClassIdMappingElement *element_id = class_id_mapping_element_get (element_class);
4854 g_assert (element_id != NULL);
4855 if (element_id->data.layout.slots == CLASS_LAYOUT_NOT_INITIALIZED) {
4856 class_id_mapping_element_build_layout_bitmap (element_class, element_id);
4858 if (! mono_class_is_valuetype (element_class)) {
4859 int length = mono_array_length (array);
4861 for (i = 0; i < length; i++) {
4862 MonoObject *array_element = mono_array_get (array, MonoObject*, i);
4863 if ((array_element != NULL) && mono_object_is_alive (array_element)) {
4864 reference_counter ++;
4865 WRITE_HEAP_SHOT_JOB_VALUE (job, array_element);
4868 } else if (element_id->data.layout.references > 0) {
4869 int length = mono_array_length (array);
4870 int array_element_size = mono_array_element_size (klass);
4872 for (i = 0; i < length; i++) {
4873 gpointer array_element_address = mono_array_addr_with_size (array, array_element_size, i);
4874 reference_counter += report_object_references (array_element_address, element_id, job);
4878 if (class_id->data.layout.slots == CLASS_LAYOUT_NOT_INITIALIZED) {
4879 class_id_mapping_element_build_layout_bitmap (klass, class_id);
4881 if (class_id->data.layout.references > 0) {
4882 reference_counter += report_object_references ((gpointer)(((char*)obj) + sizeof (MonoObject)), class_id, job);
4886 *reference_counter_location = GINT_TO_POINTER (reference_counter);
4887 #if DEBUG_HEAP_PROFILER
4888 printf ("profiler_heap_report_object_reachable: updated reference_counter_location %p with value %d\n", reference_counter_location, reference_counter);
4894 profiler_heap_report_object_unreachable (ProfilerHeapShotWriteJob *job, MonoObject *obj) {
4896 MonoClass *klass = mono_object_get_class (obj);
4897 guint32 size = mono_object_get_size (obj);
4899 if (job->summary.capacity > 0) {
4900 ClassIdMappingElement *class_id = class_id_mapping_element_get (klass);
4903 if (class_id == NULL) {
4904 printf ("profiler_heap_report_object_reachable: class %p (%s.%s) has no id\n", klass, mono_class_get_namespace (klass), mono_class_get_name (klass));
4906 g_assert (class_id != NULL);
4908 g_assert (id < job->summary.capacity);
4910 job->summary.per_class_data [id].unreachable.instances ++;
4911 job->summary.per_class_data [id].unreachable.bytes += size;
4913 if (profiler->action_flags.unreachable_objects && job->dump_heap_data) {
4914 #if DEBUG_HEAP_PROFILER
4915 printf ("profiler_heap_report_object_unreachable: at job %p writing klass %p\n", job, klass);
4917 WRITE_HEAP_SHOT_JOB_VALUE_WITH_CODE (job, klass, HEAP_CODE_FREE_OBJECT_CLASS);
4919 #if DEBUG_HEAP_PROFILER
4920 printf ("profiler_heap_report_object_unreachable: at job %p writing size %p\n", job, GUINT_TO_POINTER (size));
4922 WRITE_HEAP_SHOT_JOB_VALUE (job, GUINT_TO_POINTER (size));
4928 profiler_heap_add_object (ProfilerHeapShotHeapBuffers *heap, ProfilerHeapShotWriteJob *job, MonoObject *obj) {
4929 if (heap->first_free_slot >= heap->current->end_slot) {
4930 if (heap->current->next != NULL) {
4931 heap->current = heap->current->next;
4933 ProfilerHeapShotHeapBuffer *buffer = g_new (ProfilerHeapShotHeapBuffer, 1);
4934 buffer->previous = heap->last;
4935 buffer->next = NULL;
4936 buffer->start_slot = &(buffer->buffer [0]);
4937 buffer->end_slot = &(buffer->buffer [PROFILER_HEAP_SHOT_HEAP_BUFFER_SIZE]);
4938 heap->current = buffer;
4939 heap->last->next = buffer;
4940 heap->last = buffer;
4942 heap->first_free_slot = &(heap->current->buffer [0]);
4945 *(heap->first_free_slot) = obj;
4946 heap->first_free_slot ++;
4947 profiler_heap_report_object_reachable (job, obj);
4951 profiler_heap_pop_object_from_end (ProfilerHeapShotHeapBuffers *heap, ProfilerHeapShotWriteJob *job, MonoObject** current_slot) {
4952 while (heap->first_free_slot != current_slot) {
4955 if (heap->first_free_slot > heap->current->start_slot) {
4956 heap->first_free_slot --;
4958 heap->current = heap->current->previous;
4959 g_assert (heap->current != NULL);
4960 heap->first_free_slot = heap->current->end_slot - 1;
4963 obj = *(heap->first_free_slot);
4965 if (mono_object_is_alive (obj)) {
4966 profiler_heap_report_object_reachable (job, obj);
4969 profiler_heap_report_object_unreachable (job, obj);
4976 profiler_heap_scan (ProfilerHeapShotHeapBuffers *heap, ProfilerHeapShotWriteJob *job) {
4977 ProfilerHeapShotHeapBuffer *current_buffer = heap->buffers;
4978 MonoObject** current_slot = current_buffer->start_slot;
4980 while (current_slot != heap->first_free_slot) {
4981 MonoObject *obj = *current_slot;
4982 if (mono_object_is_alive (obj)) {
4983 profiler_heap_report_object_reachable (job, obj);
4985 profiler_heap_report_object_unreachable (job, obj);
4986 *current_slot = profiler_heap_pop_object_from_end (heap, job, current_slot);
4989 if (*current_slot != NULL) {
4992 if (current_slot == current_buffer->end_slot) {
4993 current_buffer = current_buffer->next;
4994 g_assert (current_buffer != NULL);
4995 current_slot = current_buffer->start_slot;
5001 static inline gboolean
5002 heap_shot_write_job_should_be_created (gboolean dump_heap_data) {
5003 return dump_heap_data || profiler->action_flags.unreachable_objects || profiler->action_flags.collection_summary;
5007 process_gc_event (MonoProfiler *profiler, gboolean do_heap_profiling, MonoGCEvent ev) {
5008 static gboolean dump_heap_data;
5011 case MONO_GC_EVENT_PRE_STOP_WORLD:
5012 // Get the lock, so we are sure nobody is flushing events during the collection,
5013 // and we can update all mappings (building the class descriptors).
5014 // This is necessary also during lock profiling (even if do_heap_profiling is FALSE).
5017 case MONO_GC_EVENT_POST_STOP_WORLD:
5018 if (do_heap_profiling) {
5019 dump_heap_data = dump_current_heap_snapshot ();
5020 if (heap_shot_write_job_should_be_created (dump_heap_data)) {
5021 ProfilerPerThreadData *data;
5022 // Update all mappings, so that we have built all the class descriptors.
5023 flush_all_mappings ();
5024 // Also write all event buffers, so that allocations are recorded.
5025 for (data = profiler->per_thread_data; data != NULL; data = data->next) {
5026 write_thread_data_block (data);
5030 dump_heap_data = FALSE;
5035 case MONO_GC_EVENT_MARK_END: {
5036 if (do_heap_profiling) {
5037 ProfilerHeapShotWriteJob *job;
5038 ProfilerPerThreadData *data;
5040 if (heap_shot_write_job_should_be_created (dump_heap_data)) {
5041 job = profiler_heap_shot_write_job_new (profiler->heap_shot_was_requested, dump_heap_data, profiler->garbage_collection_counter);
5042 profiler->heap_shot_was_requested = FALSE;
5043 MONO_PROFILER_GET_CURRENT_COUNTER (job->start_counter);
5044 MONO_PROFILER_GET_CURRENT_TIME (job->start_time);
5049 profiler_heap_scan (&(profiler->heap), job);
5051 for (data = profiler->per_thread_data; data != NULL; data = data->next) {
5052 ProfilerHeapShotObjectBuffer *buffer;
5053 for (buffer = data->heap_shot_object_buffers; buffer != NULL; buffer = buffer->next) {
5054 MonoObject **cursor;
5055 for (cursor = buffer->first_unprocessed_slot; cursor < buffer->next_free_slot; cursor ++) {
5056 MonoObject *obj = *cursor;
5057 #if DEBUG_HEAP_PROFILER
5058 printf ("gc_event: in object buffer %p(%p-%p) cursor at %p has object %p ", buffer, &(buffer->buffer [0]), buffer->end, cursor, obj);
5060 if (mono_object_is_alive (obj)) {
5061 #if DEBUG_HEAP_PROFILER
5062 printf ("(object is alive, adding to heap)\n");
5064 profiler_heap_add_object (&(profiler->heap), job, obj);
5066 #if DEBUG_HEAP_PROFILER
5067 printf ("(object is unreachable, reporting in job)\n");
5069 profiler_heap_report_object_unreachable (job, obj);
5072 buffer->first_unprocessed_slot = cursor;
5077 MONO_PROFILER_GET_CURRENT_COUNTER (job->end_counter);
5078 MONO_PROFILER_GET_CURRENT_TIME (job->end_time);
5080 profiler_add_heap_shot_write_job (job);
5081 profiler_free_heap_shot_write_jobs ();
5082 WRITER_EVENT_RAISE ();
5093 gc_event (MonoProfiler *profiler, MonoGCEvent ev, int generation) {
5094 ProfilerPerThreadData *data;
5095 ProfilerEventData *event;
5096 gboolean do_heap_profiling = profiler->action_flags.unreachable_objects || profiler->action_flags.heap_shot || profiler->action_flags.collection_summary;
5097 guint32 event_value;
5099 if (ev == MONO_GC_EVENT_START) {
5100 profiler->garbage_collection_counter ++;
5103 event_value = (profiler->garbage_collection_counter << 8) | generation;
5105 if (ev == MONO_GC_EVENT_POST_STOP_WORLD) {
5106 process_gc_event (profiler, do_heap_profiling, ev);
5109 /* Check if the gc event should be recorded. */
5110 if (profiler->action_flags.report_gc_events || do_heap_profiling) {
5111 GET_PROFILER_THREAD_DATA (data);
5112 GET_NEXT_FREE_EVENT (data, event);
5113 STORE_EVENT_NUMBER_COUNTER (event, profiler, event_value, MONO_PROFILER_EVENT_DATA_TYPE_OTHER, gc_event_code_from_profiler_event (ev), gc_event_kind_from_profiler_event (ev));
5114 COMMIT_RESERVED_EVENTS (data);
5117 if (ev != MONO_GC_EVENT_POST_STOP_WORLD) {
5118 process_gc_event (profiler, do_heap_profiling, ev);
5123 gc_resize (MonoProfiler *profiler, gint64 new_size) {
5124 ProfilerPerThreadData *data;
5125 ProfilerEventData *event;
5126 GET_PROFILER_THREAD_DATA (data);
5127 GET_NEXT_FREE_EVENT (data, event);
5128 profiler->garbage_collection_counter ++;
5129 STORE_EVENT_NUMBER_VALUE (event, profiler, new_size, MONO_PROFILER_EVENT_DATA_TYPE_OTHER, MONO_PROFILER_EVENT_GC_RESIZE, 0, profiler->garbage_collection_counter);
5130 COMMIT_RESERVED_EVENTS (data);
5134 runtime_initialized (MonoProfiler *profiler) {
5135 LOG_WRITER_THREAD ("runtime_initialized: initializing internal calls.\n");
5136 mono_add_internal_call ("Mono.Profiler.RuntimeControls::EnableProfiler", enable_profiler);
5137 mono_add_internal_call ("Mono.Profiler.RuntimeControls::DisableProfiler", disable_profiler);
5138 mono_add_internal_call ("Mono.Profiler.RuntimeControls::TakeHeapSnapshot", request_heap_snapshot);
5139 LOG_WRITER_THREAD ("runtime_initialized: initialized internal calls.\n");
5143 #define MAX_COMMAND_LENGTH (1024)
5144 static int server_socket;
5145 static int command_socket;
5148 write_user_response (const char *response) {
5149 LOG_USER_THREAD ("write_user_response: writing response:");
5150 LOG_USER_THREAD (response);
5151 send (command_socket, response, strlen (response), 0);
5155 execute_user_command (char *command) {
5158 LOG_USER_THREAD ("execute_user_command: executing command:");
5159 LOG_USER_THREAD (command);
5161 /* Ignore leading and trailing '\r' */
5162 line_feed = strchr (command, '\r');
5163 if (line_feed == command) {
5165 line_feed = strchr (command, '\r');
5167 if ((line_feed != NULL) && (* (line_feed + 1) == 0)) {
5171 if (strcmp (command, "enable") == 0) {
5172 LOG_USER_THREAD ("execute_user_command: enabling profiler");
5174 write_user_response ("DONE\n");
5175 } else if (strcmp (command, "disable") == 0) {
5176 LOG_USER_THREAD ("execute_user_command: disabling profiler");
5177 disable_profiler ();
5178 write_user_response ("DONE\n");
5179 } else if (strcmp (command, "heap-snapshot") == 0) {
5180 LOG_USER_THREAD ("execute_user_command: taking heap snapshot");
5181 profiler->heap_shot_was_requested = TRUE;
5182 WRITER_EVENT_RAISE ();
5183 write_user_response ("DONE\n");
5184 } else if (strstr (command, "heap-snapshot-counter") == 0) {
5186 LOG_USER_THREAD ("execute_user_command: changing heap counter");
5187 equals = strstr (command, "=");
5188 if (equals != NULL) {
5190 if (strcmp (equals, "all") == 0) {
5191 LOG_USER_THREAD ("execute_user_command: heap counter is \"all\"");
5192 profiler->garbage_collection_counter = -1;
5193 } else if (strcmp (equals, "none") == 0) {
5194 LOG_USER_THREAD ("execute_user_command: heap counter is \"none\"");
5195 profiler->garbage_collection_counter = 0;
5197 profiler->garbage_collection_counter = atoi (equals);
5199 write_user_response ("DONE\n");
5201 write_user_response ("ERROR\n");
5203 profiler->heap_shot_was_requested = TRUE;
5205 LOG_USER_THREAD ("execute_user_command: command not recognized");
5206 write_user_response ("ERROR\n");
5211 process_user_commands (void) {
5212 char *command_buffer = malloc (MAX_COMMAND_LENGTH);
5213 int command_buffer_current_index = 0;
5214 gboolean loop = TRUE;
5215 gboolean result = TRUE;
5218 int unprocessed_characters;
5220 LOG_USER_THREAD ("process_user_commands: reading from socket...");
5221 unprocessed_characters = recv (command_socket, command_buffer + command_buffer_current_index, MAX_COMMAND_LENGTH - command_buffer_current_index, 0);
5223 if (unprocessed_characters > 0) {
5224 char *command_end = NULL;
5226 LOG_USER_THREAD ("process_user_commands: received characters.");
5229 if (command_end != NULL) {
5231 execute_user_command (command_buffer);
5232 unprocessed_characters -= (((command_end - command_buffer) - command_buffer_current_index) + 1);
5234 if (unprocessed_characters > 0) {
5235 memmove (command_buffer, command_end + 1, unprocessed_characters);
5237 command_buffer_current_index = 0;
5240 command_end = memchr (command_buffer, '\n', command_buffer_current_index + unprocessed_characters);
5241 } while (command_end != NULL);
5243 command_buffer_current_index += unprocessed_characters;
5245 } else if (unprocessed_characters == 0) {
5246 LOG_USER_THREAD ("process_user_commands: received no character.");
5250 LOG_USER_THREAD ("process_user_commands: received error.");
5256 free (command_buffer);
5261 user_thread (gpointer nothing) {
5262 struct sockaddr_in server_address;
5265 command_socket = -1;
5267 LOG_USER_THREAD ("user_thread: starting up...");
5269 server_socket = socket (AF_INET, SOCK_STREAM, 0);
5270 if (server_socket < 0) {
5271 LOG_USER_THREAD ("user_thread: error creating socket.");
5274 memset (& server_address, 0, sizeof (server_address));
5276 server_address.sin_family = AF_INET;
5277 server_address.sin_addr.s_addr = INADDR_ANY;
5278 if ((profiler->command_port < 1023) || (profiler->command_port > 65535)) {
5279 LOG_USER_THREAD ("user_thread: invalid port number.");
5282 server_address.sin_port = htons (profiler->command_port);
5284 if (bind (server_socket, (struct sockaddr *) &server_address, sizeof(server_address)) < 0) {
5285 LOG_USER_THREAD ("user_thread: error binding socket.");
5286 close (server_socket);
5290 LOG_USER_THREAD ("user_thread: listening...\n");
5291 listen (server_socket, 1);
5292 command_socket = accept (server_socket, NULL, NULL);
5293 if (command_socket < 0) {
5294 LOG_USER_THREAD ("user_thread: error accepting socket.");
5295 close (server_socket);
5299 LOG_USER_THREAD ("user_thread: processing user commands...");
5300 process_user_commands ();
5302 LOG_USER_THREAD ("user_thread: exiting cleanly.");
5303 close (server_socket);
5304 close (command_socket);
5309 /* called at the end of the program */
5311 profiler_shutdown (MonoProfiler *prof)
5313 ProfilerPerThreadData* current_thread_data;
5314 ProfilerPerThreadData* next_thread_data;
5316 LOG_WRITER_THREAD ("profiler_shutdown: zeroing relevant flags");
5317 mono_profiler_set_events (0);
5318 /* During shutdown searching for MonoJitInfo is not possible... */
5319 if (profiler->statistical_call_chain_strategy == MONO_PROFILER_CALL_CHAIN_MANAGED) {
5320 mono_profiler_install_statistical_call_chain (NULL, 0, MONO_PROFILER_CALL_CHAIN_NONE);
5322 //profiler->flags = 0;
5323 //profiler->action_flags.unreachable_objects = FALSE;
5324 //profiler->action_flags.heap_shot = FALSE;
5326 LOG_WRITER_THREAD ("profiler_shutdown: asking stats thread to exit");
5327 profiler->terminate_writer_thread = TRUE;
5328 WRITER_EVENT_RAISE ();
5329 LOG_WRITER_THREAD ("profiler_shutdown: waiting for stats thread to exit");
5330 WAIT_WRITER_THREAD ();
5331 LOG_WRITER_THREAD ("profiler_shutdown: stats thread should be dead now");
5332 WRITER_EVENT_DESTROY ();
5335 flush_everything ();
5336 MONO_PROFILER_GET_CURRENT_TIME (profiler->end_time);
5337 MONO_PROFILER_GET_CURRENT_COUNTER (profiler->end_counter);
5341 mono_profiler_install_code_chunk_new (NULL);
5342 mono_profiler_install_code_chunk_destroy (NULL);
5343 mono_profiler_install_code_buffer_new (NULL);
5344 profiler_code_chunks_cleanup (& (profiler->code_chunks));
5347 g_free (profiler->file_name);
5348 if (profiler->file_name_suffix != NULL) {
5349 g_free (profiler->file_name_suffix);
5352 method_id_mapping_destroy (profiler->methods);
5353 class_id_mapping_destroy (profiler->classes);
5354 g_hash_table_destroy (profiler->loaded_assemblies);
5355 g_hash_table_destroy (profiler->loaded_modules);
5356 g_hash_table_destroy (profiler->loaded_appdomains);
5358 FREE_PROFILER_THREAD_DATA ();
5360 for (current_thread_data = profiler->per_thread_data; current_thread_data != NULL; current_thread_data = next_thread_data) {
5361 next_thread_data = current_thread_data->next;
5362 profiler_per_thread_data_destroy (current_thread_data);
5364 if (profiler->statistical_data != NULL) {
5365 profiler_statistical_data_destroy (profiler->statistical_data);
5367 if (profiler->statistical_data_ready != NULL) {
5368 profiler_statistical_data_destroy (profiler->statistical_data_ready);
5370 if (profiler->statistical_data_second_buffer != NULL) {
5371 profiler_statistical_data_destroy (profiler->statistical_data_second_buffer);
5373 if (profiler->executable_regions != NULL) {
5374 profiler_executable_memory_regions_destroy (profiler->executable_regions);
5377 profiler_heap_buffers_free (&(profiler->heap));
5379 profiler_free_write_buffers ();
5380 profiler_destroy_heap_shot_write_jobs ();
5382 DELETE_PROFILER_MUTEX ();
5385 if (profiler->action_flags.oprofile) {
5394 #define FAIL_ARGUMENT_CHECK(message) do {\
5395 failure_message = (message);\
5396 goto failure_handling;\
5398 #define FAIL_PARSING_VALUED_ARGUMENT FAIL_ARGUMENT_CHECK("cannot parse valued argument %s")
5399 #define FAIL_PARSING_FLAG_ARGUMENT FAIL_ARGUMENT_CHECK("cannot parse flag argument %s")
5400 #define CHECK_CONDITION(condition,message) do {\
5401 gboolean result = (condition);\
5403 FAIL_ARGUMENT_CHECK (message);\
5406 #define FAIL_IF_HAS_MINUS CHECK_CONDITION(has_minus,"minus ('-') modifier not allowed for argument %s")
5407 #define TRUE_IF_NOT_MINUS ((!has_minus)?TRUE:FALSE)
5409 #define DEFAULT_ARGUMENTS "s"
5411 setup_user_options (const char *arguments) {
5412 gchar **arguments_array, **current_argument;
5413 detect_fast_timer ();
5415 profiler->file_name = NULL;
5416 profiler->file_name_suffix = NULL;
5417 profiler->per_thread_buffer_size = 10000;
5418 profiler->statistical_buffer_size = 10000;
5419 profiler->statistical_call_chain_depth = 0;
5420 profiler->statistical_call_chain_strategy = MONO_PROFILER_CALL_CHAIN_NATIVE;
5421 profiler->write_buffer_size = 1024;
5422 profiler->dump_next_heap_snapshots = 0;
5423 profiler->heap_shot_was_requested = FALSE;
5424 profiler->flags = MONO_PROFILE_APPDOMAIN_EVENTS|
5425 MONO_PROFILE_ASSEMBLY_EVENTS|
5426 MONO_PROFILE_MODULE_EVENTS|
5427 MONO_PROFILE_CLASS_EVENTS|
5428 MONO_PROFILE_METHOD_EVENTS|
5429 MONO_PROFILE_JIT_COMPILATION;
5430 profiler->profiler_enabled = TRUE;
5432 if (arguments == NULL) {
5433 arguments = DEFAULT_ARGUMENTS;
5434 } else if (strstr (arguments, ":")) {
5435 arguments = strstr (arguments, ":") + 1;
5436 if (arguments [0] == 0) {
5437 arguments = DEFAULT_ARGUMENTS;
5441 arguments_array = g_strsplit (arguments, ",", -1);
5443 for (current_argument = arguments_array; ((current_argument != NULL) && (current_argument [0] != 0)); current_argument ++) {
5444 char *argument = *current_argument;
5445 char *equals = strstr (argument, "=");
5446 const char *failure_message = NULL;
5450 if (*argument == '+') {
5454 } else if (*argument == '-') {
5463 if (equals != NULL) {
5464 int equals_position = equals - argument;
5466 if (! (strncmp (argument, "per-thread-buffer-size", equals_position) && strncmp (argument, "tbs", equals_position))) {
5467 int value = atoi (equals + 1);
5470 profiler->per_thread_buffer_size = value;
5472 } else if (! (strncmp (argument, "statistical", equals_position) && strncmp (argument, "stat", equals_position) && strncmp (argument, "s", equals_position))) {
5473 int value = atoi (equals + 1);
5476 if (value > MONO_PROFILER_MAX_STAT_CALL_CHAIN_DEPTH) {
5477 value = MONO_PROFILER_MAX_STAT_CALL_CHAIN_DEPTH;
5479 profiler->statistical_call_chain_depth = value;
5480 profiler->flags |= MONO_PROFILE_STATISTICAL;
5482 } else if (! (strncmp (argument, "call-chain-strategy", equals_position) && strncmp (argument, "ccs", equals_position))) {
5483 char *parameter = equals + 1;
5485 if (! strcmp (parameter, "native")) {
5486 profiler->statistical_call_chain_strategy = MONO_PROFILER_CALL_CHAIN_NATIVE;
5487 } else if (! strcmp (parameter, "glibc")) {
5488 profiler->statistical_call_chain_strategy = MONO_PROFILER_CALL_CHAIN_GLIBC;
5489 } else if (! strcmp (parameter, "managed")) {
5490 profiler->statistical_call_chain_strategy = MONO_PROFILER_CALL_CHAIN_MANAGED;
5492 failure_message = "invalid call chain strategy in argument %s";
5493 goto failure_handling;
5495 } else if (! (strncmp (argument, "statistical-thread-buffer-size", equals_position) && strncmp (argument, "sbs", equals_position))) {
5496 int value = atoi (equals + 1);
5499 profiler->statistical_buffer_size = value;
5501 } else if (! (strncmp (argument, "write-buffer-size", equals_position) && strncmp (argument, "wbs", equals_position))) {
5502 int value = atoi (equals + 1);
5505 profiler->write_buffer_size = value;
5507 } else if (! (strncmp (argument, "output", equals_position) && strncmp (argument, "out", equals_position) && strncmp (argument, "o", equals_position) && strncmp (argument, "O", equals_position))) {
5509 if (strlen (equals + 1) > 0) {
5510 profiler->file_name = g_strdup (equals + 1);
5512 } else if (! (strncmp (argument, "output-suffix", equals_position) && strncmp (argument, "suffix", equals_position) && strncmp (argument, "os", equals_position) && strncmp (argument, "OS", equals_position))) {
5514 if (strlen (equals + 1) > 0) {
5515 profiler->file_name_suffix = g_strdup (equals + 1);
5517 } else if (! (strncmp (argument, "heap-shot", equals_position) && strncmp (argument, "heap", equals_position) && strncmp (argument, "h", equals_position))) {
5518 char *parameter = equals + 1;
5519 if (! strcmp (parameter, "all")) {
5520 profiler->dump_next_heap_snapshots = -1;
5522 profiler->dump_next_heap_snapshots = atoi (parameter);
5526 profiler->action_flags.save_allocation_caller = TRUE;
5527 profiler->action_flags.save_allocation_stack = TRUE;
5528 profiler->action_flags.allocations_carry_id = TRUE_IF_NOT_MINUS;
5530 profiler->action_flags.heap_shot = TRUE_IF_NOT_MINUS;
5531 } else if (! (strncmp (argument, "gc-dumps", equals_position) && strncmp (argument, "gc-d", equals_position) && strncmp (argument, "gcd", equals_position))) {
5533 if (strlen (equals + 1) > 0) {
5534 profiler->dump_next_heap_snapshots = atoi (equals + 1);
5536 } else if (! (strncmp (argument, "command-port", equals_position) && strncmp (argument, "cp", equals_position))) {
5538 if (strlen (equals + 1) > 0) {
5539 profiler->command_port = atoi (equals + 1);
5542 FAIL_PARSING_VALUED_ARGUMENT;
5545 if (! (strcmp (argument, "jit") && strcmp (argument, "j"))) {
5546 profiler->action_flags.jit_time = TRUE_IF_NOT_MINUS;
5547 } else if (! (strcmp (argument, "allocations") && strcmp (argument, "alloc") && strcmp (argument, "a"))) {
5550 profiler->action_flags.save_allocation_caller = TRUE;
5551 profiler->action_flags.save_allocation_stack = TRUE;
5554 profiler->flags |= MONO_PROFILE_ALLOCATIONS;
5556 profiler->flags &= ~MONO_PROFILE_ALLOCATIONS;
5558 } else if (! (strcmp (argument, "monitor") && strcmp (argument, "locks") && strcmp (argument, "lock"))) {
5560 profiler->action_flags.track_stack = TRUE;
5561 profiler->flags |= MONO_PROFILE_MONITOR_EVENTS;
5562 profiler->flags |= MONO_PROFILE_GC;
5563 } else if (! (strcmp (argument, "gc") && strcmp (argument, "g"))) {
5565 profiler->action_flags.report_gc_events = TRUE;
5566 profiler->flags |= MONO_PROFILE_GC;
5567 } else if (! (strcmp (argument, "allocations-summary") && strcmp (argument, "as"))) {
5568 profiler->action_flags.collection_summary = TRUE_IF_NOT_MINUS;
5569 } else if (! (strcmp (argument, "heap-shot") && strcmp (argument, "heap") && strcmp (argument, "h"))) {
5572 profiler->action_flags.save_allocation_caller = TRUE;
5573 profiler->action_flags.save_allocation_stack = TRUE;
5574 profiler->action_flags.allocations_carry_id = TRUE_IF_NOT_MINUS;
5576 profiler->action_flags.heap_shot = TRUE_IF_NOT_MINUS;
5577 } else if (! (strcmp (argument, "unreachable") && strcmp (argument, "free") && strcmp (argument, "f"))) {
5578 profiler->action_flags.unreachable_objects = TRUE_IF_NOT_MINUS;
5579 } else if (! (strcmp (argument, "threads") && strcmp (argument, "t"))) {
5581 profiler->flags |= MONO_PROFILE_THREADS;
5583 profiler->flags &= ~MONO_PROFILE_THREADS;
5585 } else if (! (strcmp (argument, "enter-leave") && strcmp (argument, "calls") && strcmp (argument, "c"))) {
5586 profiler->action_flags.track_calls = TRUE_IF_NOT_MINUS;
5587 } else if (! (strcmp (argument, "statistical") && strcmp (argument, "stat") && strcmp (argument, "s"))) {
5589 profiler->flags |= MONO_PROFILE_STATISTICAL;
5591 profiler->flags &= ~MONO_PROFILE_STATISTICAL;
5593 } else if (! (strcmp (argument, "save-allocation-caller") && strcmp (argument, "sac"))) {
5594 profiler->action_flags.save_allocation_caller = TRUE_IF_NOT_MINUS;
5595 } else if (! (strcmp (argument, "save-allocation-stack") && strcmp (argument, "sas"))) {
5596 profiler->action_flags.save_allocation_stack = TRUE_IF_NOT_MINUS;
5597 } else if (! (strcmp (argument, "allocations-carry-id") && strcmp (argument, "aci"))) {
5598 profiler->action_flags.allocations_carry_id = TRUE_IF_NOT_MINUS;
5599 } else if (! (strcmp (argument, "start-enabled") && strcmp (argument, "se"))) {
5600 profiler->profiler_enabled = TRUE_IF_NOT_MINUS;
5601 } else if (! (strcmp (argument, "start-disabled") && strcmp (argument, "sd"))) {
5602 profiler->profiler_enabled = ! TRUE_IF_NOT_MINUS;
5603 } else if (! (strcmp (argument, "force-accurate-timer") && strcmp (argument, "fac"))) {
5604 use_fast_timer = TRUE_IF_NOT_MINUS;
5606 } else if (! (strcmp (argument, "oprofile") && strcmp (argument, "oprof"))) {
5607 profiler->flags |= MONO_PROFILE_JIT_COMPILATION;
5608 profiler->action_flags.oprofile = TRUE;
5609 if (op_open_agent ()) {
5610 FAIL_ARGUMENT_CHECK ("problem calling op_open_agent");
5613 } else if (strcmp (argument, "logging")) {
5614 FAIL_PARSING_FLAG_ARGUMENT;
5619 if (failure_message != NULL) {
5620 g_warning (failure_message, argument);
5621 failure_message = NULL;
5625 g_free (arguments_array);
5627 /* Ensure that the profiler flags needed to support required action flags are active */
5628 if (profiler->action_flags.jit_time) {
5629 profiler->flags |= MONO_PROFILE_JIT_COMPILATION;
5631 if (profiler->action_flags.save_allocation_caller || profiler->action_flags.save_allocation_stack || profiler->action_flags.allocations_carry_id) {
5632 profiler->flags |= MONO_PROFILE_ALLOCATIONS;
5634 if (profiler->action_flags.collection_summary || profiler->action_flags.heap_shot || profiler->action_flags.unreachable_objects) {
5635 profiler->flags |= MONO_PROFILE_ALLOCATIONS;
5636 profiler->action_flags.report_gc_events = TRUE;
5638 if (profiler->action_flags.track_calls) {
5639 profiler->flags |= MONO_PROFILE_ENTER_LEAVE;
5640 profiler->action_flags.jit_time = TRUE;
5642 if (profiler->action_flags.save_allocation_caller || profiler->action_flags.save_allocation_stack) {
5643 profiler->action_flags.track_stack = TRUE;
5644 profiler->flags |= MONO_PROFILE_ENTER_LEAVE;
5646 if (profiler->action_flags.track_stack) {
5647 profiler->flags |= MONO_PROFILE_ENTER_LEAVE;
5650 /* Tracking call stacks is useless if we already emit all enter-exit events... */
5651 if (profiler->action_flags.track_calls) {
5652 profiler->action_flags.track_stack = FALSE;
5653 profiler->action_flags.save_allocation_caller = FALSE;
5654 profiler->action_flags.save_allocation_stack = FALSE;
5657 /* Without JIT events the stat profiler will not find method IDs... */
5658 if (profiler->flags | MONO_PROFILE_STATISTICAL) {
5659 profiler->flags |= MONO_PROFILE_JIT_COMPILATION;
5661 /* Profiling allocations without knowing which gc we are doing is not nice... */
5662 if (profiler->flags | MONO_PROFILE_ALLOCATIONS) {
5663 profiler->flags |= MONO_PROFILE_GC;
5664 profiler->action_flags.report_gc_events = TRUE;
5668 if (profiler->file_name == NULL) {
5669 char *program_name = g_get_prgname ();
5671 if (program_name != NULL) {
5672 char *name_buffer = g_strdup (program_name);
5673 char *name_start = name_buffer;
5676 /* Jump over the last '/' */
5677 cursor = strrchr (name_buffer, '/');
5678 if (cursor == NULL) {
5679 cursor = name_buffer;
5683 name_start = cursor;
5685 /* Then jump over the last '\\' */
5686 cursor = strrchr (name_start, '\\');
5687 if (cursor == NULL) {
5688 cursor = name_start;
5692 name_start = cursor;
5694 /* Finally, find the last '.' */
5695 cursor = strrchr (name_start, '.');
5696 if (cursor != NULL) {
5700 if (profiler->file_name_suffix == NULL) {
5701 profiler->file_name = g_strdup_printf ("%s.mprof", name_start);
5703 profiler->file_name = g_strdup_printf ("%s-%s.mprof", name_start, profiler->file_name_suffix);
5705 g_free (name_buffer);
5707 profiler->file_name = g_strdup_printf ("%s.mprof", "profiler-log");
5713 data_writer_thread (gpointer nothing) {
5715 ProfilerStatisticalData *statistical_data;
5718 LOG_WRITER_THREAD ("data_writer_thread: going to sleep");
5719 WRITER_EVENT_WAIT ();
5720 LOG_WRITER_THREAD ("data_writer_thread: just woke up");
5722 if (profiler->heap_shot_was_requested) {
5723 MonoDomain * root_domain = mono_get_root_domain ();
5725 if (root_domain != NULL) {
5726 MonoThread *this_thread;
5727 LOG_WRITER_THREAD ("data_writer_thread: attaching thread");
5728 this_thread = mono_thread_attach (root_domain);
5729 LOG_WRITER_THREAD ("data_writer_thread: starting requested collection");
5730 mono_gc_collect (mono_gc_max_generation ());
5731 LOG_WRITER_THREAD ("data_writer_thread: requested collection done");
5732 LOG_WRITER_THREAD ("data_writer_thread: detaching thread");
5733 mono_thread_detach (this_thread);
5735 LOG_WRITER_THREAD ("data_writer_thread: collection sequence completed");
5737 LOG_WRITER_THREAD ("data_writer_thread: cannot get root domain, collection sequence skipped");
5742 statistical_data = profiler->statistical_data_ready;
5743 done = (statistical_data == NULL) && (profiler->heap_shot_write_jobs == NULL);
5746 LOG_WRITER_THREAD ("data_writer_thread: acquiring lock and writing data");
5749 // This makes sure that all method ids are in place
5750 LOG_WRITER_THREAD ("data_writer_thread: writing mapping...");
5751 flush_all_mappings ();
5752 LOG_WRITER_THREAD ("data_writer_thread: wrote mapping");
5754 if (statistical_data != NULL) {
5755 LOG_WRITER_THREAD ("data_writer_thread: writing statistical data...");
5756 profiler->statistical_data_ready = NULL;
5757 write_statistical_data_block (statistical_data);
5758 statistical_data->next_free_index = 0;
5759 statistical_data->first_unwritten_index = 0;
5760 profiler->statistical_data_second_buffer = statistical_data;
5761 LOG_WRITER_THREAD ("data_writer_thread: wrote statistical data");
5764 profiler_process_heap_shot_write_jobs ();
5767 LOG_WRITER_THREAD ("data_writer_thread: wrote data and released lock");
5769 LOG_WRITER_THREAD ("data_writer_thread: acquiring lock and flushing buffers");
5771 LOG_WRITER_THREAD ("data_writer_thread: lock acquired, flushing buffers");
5772 flush_everything ();
5774 LOG_WRITER_THREAD ("data_writer_thread: flushed buffers and released lock");
5777 if (profiler->terminate_writer_thread) {
5778 LOG_WRITER_THREAD ("data_writer_thread: exiting thread");
5779 CLEANUP_WRITER_THREAD ();
5787 mono_profiler_startup (const char *desc);
5789 /* the entry point (mono_profiler_load?) */
5791 mono_profiler_startup (const char *desc)
5793 profiler = g_new0 (MonoProfiler, 1);
5795 setup_user_options ((desc != NULL) ? desc : DEFAULT_ARGUMENTS);
5797 INITIALIZE_PROFILER_MUTEX ();
5798 MONO_PROFILER_GET_CURRENT_TIME (profiler->start_time);
5799 MONO_PROFILER_GET_CURRENT_COUNTER (profiler->start_counter);
5800 profiler->last_header_counter = 0;
5802 profiler->methods = method_id_mapping_new ();
5803 profiler->classes = class_id_mapping_new ();
5804 profiler->loaded_element_next_free_id = 1;
5805 profiler->loaded_assemblies = g_hash_table_new_full (g_direct_hash, NULL, NULL, loaded_element_destroy);
5806 profiler->loaded_modules = g_hash_table_new_full (g_direct_hash, NULL, NULL, loaded_element_destroy);
5807 profiler->loaded_appdomains = g_hash_table_new_full (g_direct_hash, NULL, NULL, loaded_element_destroy);
5809 profiler->statistical_data = profiler_statistical_data_new (profiler);
5810 profiler->statistical_data_second_buffer = profiler_statistical_data_new (profiler);
5812 profiler->write_buffers = g_malloc (sizeof (ProfilerFileWriteBuffer) + PROFILER_FILE_WRITE_BUFFER_SIZE);
5813 profiler->write_buffers->next = NULL;
5814 profiler->current_write_buffer = profiler->write_buffers;
5815 profiler->current_write_position = 0;
5816 profiler->full_write_buffers = 0;
5817 profiler_code_chunks_initialize (& (profiler->code_chunks));
5819 profiler->executable_regions = profiler_executable_memory_regions_new (1, 1);
5821 profiler->executable_files.table = g_hash_table_new (g_str_hash, g_str_equal);
5822 profiler->executable_files.new_files = NULL;
5824 profiler->heap_shot_write_jobs = NULL;
5825 if (profiler->action_flags.unreachable_objects || profiler->action_flags.heap_shot || profiler->action_flags.collection_summary) {
5826 profiler_heap_buffers_setup (&(profiler->heap));
5828 profiler_heap_buffers_clear (&(profiler->heap));
5830 profiler->garbage_collection_counter = 0;
5832 WRITER_EVENT_INIT ();
5833 LOG_WRITER_THREAD ("mono_profiler_startup: creating writer thread");
5834 CREATE_WRITER_THREAD (data_writer_thread);
5835 LOG_WRITER_THREAD ("mono_profiler_startup: created writer thread");
5836 if ((profiler->command_port >= 1024) && (profiler->command_port <= 65535)) {
5837 LOG_USER_THREAD ("mono_profiler_startup: creating user thread");
5838 CREATE_USER_THREAD (user_thread);
5839 LOG_USER_THREAD ("mono_profiler_startup: created user thread");
5841 LOG_USER_THREAD ("mono_profiler_startup: skipping user thread creation");
5844 ALLOCATE_PROFILER_THREAD_DATA ();
5848 write_intro_block ();
5849 write_directives_block (TRUE);
5851 mono_profiler_install (profiler, profiler_shutdown);
5853 mono_profiler_install_appdomain (appdomain_start_load, appdomain_end_load,
5854 appdomain_start_unload, appdomain_end_unload);
5855 mono_profiler_install_assembly (assembly_start_load, assembly_end_load,
5856 assembly_start_unload, assembly_end_unload);
5857 mono_profiler_install_module (module_start_load, module_end_load,
5858 module_start_unload, module_end_unload);
5859 mono_profiler_install_class (class_start_load, class_end_load,
5860 class_start_unload, class_end_unload);
5861 mono_profiler_install_jit_compile (method_start_jit, method_end_jit);
5862 mono_profiler_install_enter_leave (method_enter, method_leave);
5863 mono_profiler_install_method_free (method_free);
5864 mono_profiler_install_thread (thread_start, thread_end);
5865 mono_profiler_install_allocation (object_allocated);
5866 mono_profiler_install_monitor (monitor_event);
5867 mono_profiler_install_statistical (statistical_hit);
5868 mono_profiler_install_statistical_call_chain (statistical_call_chain, profiler->statistical_call_chain_depth, profiler->statistical_call_chain_strategy);
5869 mono_profiler_install_gc (gc_event, gc_resize);
5870 mono_profiler_install_runtime_initialized (runtime_initialized);
5872 mono_profiler_install_jit_end (method_jit_result);
5874 if (profiler->flags | MONO_PROFILE_STATISTICAL) {
5875 mono_profiler_install_code_chunk_new (profiler_code_chunk_new_callback);
5876 mono_profiler_install_code_chunk_destroy (profiler_code_chunk_destroy_callback);
5877 mono_profiler_install_code_buffer_new (profiler_code_buffer_new_callback);
5880 mono_profiler_set_events (profiler->flags);