static int do_debug = 0;
static int do_coverage = 0;
static gboolean no_counters = FALSE;
-static gboolean only_coverage = FALSE;
static gboolean debug_coverage = FALSE;
static int max_allocated_sample_hits;
* num is always an even number: the even items are the old
* addresses, the odd numbers are the respective new object addresses
* if exinfo == TYPE_GC_HANDLE_CREATED[_BT]
- * [handle_type: uleb128] GC handle type (System.Runtime.InteropServices.GCHandleType)
+ * [handle_type: uleb128] MonoGCHandleType enum value
* upper bits reserved as flags
* [handle: uleb128] GC handle value
* [objaddr: sleb128] object pointer differences from obj_base
* If exinfo == TYPE_GC_HANDLE_CREATED_BT, a backtrace follows.
* if exinfo == TYPE_GC_HANDLE_DESTROYED[_BT]
- * [handle_type: uleb128] GC handle type (System.Runtime.InteropServices.GCHandleType)
+ * [handle_type: uleb128] MonoGCHandleType enum value
* upper bits reserved as flags
* [handle: uleb128] GC handle value
* If exinfo == TYPE_GC_HANDLE_DESTROYED_BT, a backtrace follows.
*
* type metadata format:
* type: TYPE_METADATA
- * exinfo: one of: TYPE_END_LOAD, TYPE_END_UNLOAD (optional for TYPE_THREAD and TYPE_DOMAIN)
+ * exinfo: one of: TYPE_END_LOAD, TYPE_END_UNLOAD (optional for TYPE_THREAD and TYPE_DOMAIN,
+ * doesn't occur for TYPE_CLASS)
* [mtype: byte] metadata type, one of: TYPE_CLASS, TYPE_IMAGE, TYPE_ASSEMBLY, TYPE_DOMAIN,
* TYPE_THREAD, TYPE_CONTEXT
* [pointer: sleb128] pointer of the metadata type depending on mtype
* type monitor format:
* type: TYPE_MONITOR
* exinfo: zero or TYPE_MONITOR_BT
- * [type: byte] MONO_PROFILER_MONITOR_{CONTENTION,FAIL,DONE}
+ * [type: byte] MonoProfilerMonitorEvent enum value
* [object: sleb128] the lock object as a difference from obj_base
* If exinfo == TYPE_MONITOR_BT, a backtrace follows.
*
// Has this thread written a thread end event to `buffer`?
gboolean ended;
+
+ // Stored in `buffer_lock_state` to take the exclusive lock.
+ int small_id;
} MonoProfilerThread;
+// Do not use these TLS macros directly unless you know what you're doing.
+
+#ifdef HOST_WIN32
+
+#define PROF_TLS_SET(VAL) (TlsSetValue (profiler_tls, (VAL)))
+#define PROF_TLS_GET() ((MonoProfilerThread *) TlsGetValue (profiler_tls))
+#define PROF_TLS_INIT() (profiler_tls = TlsAlloc ())
+#define PROF_TLS_FREE() (TlsFree (profiler_tls))
+
+static DWORD profiler_tls;
+
+#elif HAVE_KW_THREAD
+
+#define PROF_TLS_SET(VAL) (profiler_tls = (VAL))
+#define PROF_TLS_GET() (profiler_tls)
+#define PROF_TLS_INIT()
+#define PROF_TLS_FREE()
+
+static __thread MonoProfilerThread *profiler_tls;
+
+#else
+
+#define PROF_TLS_SET(VAL) (pthread_setspecific (profiler_tls, (VAL)))
+#define PROF_TLS_GET() ((MonoProfilerThread *) pthread_getspecific (profiler_tls))
+#define PROF_TLS_INIT() (pthread_key_create (&profiler_tls, NULL))
+#define PROF_TLS_FREE() (pthread_key_delete (profiler_tls))
+
+static pthread_key_t profiler_tls;
+
+#endif
+
static uintptr_t
thread_id (void)
{
#define EXIT_LOG EXIT_LOG_EXPLICIT (DO_SEND)
-static volatile gint32 buffer_rwlock_count;
-static volatile gpointer buffer_rwlock_exclusive;
-
-// Can be used recursively.
-static void
-buffer_lock (void)
-{
- /*
- * If the thread holding the exclusive lock tries to modify the
- * reader count, just make it a no-op. This way, we also avoid
- * invoking the GC safe point macros below, which could break if
- * done from a thread that is currently the initiator of STW.
- *
- * In other words, we rely on the fact that the GC thread takes
- * the exclusive lock in the gc_event () callback when the world
- * is about to stop.
- */
- if (InterlockedReadPointer (&buffer_rwlock_exclusive) != (gpointer) thread_id ()) {
- MONO_ENTER_GC_SAFE;
-
- while (InterlockedReadPointer (&buffer_rwlock_exclusive))
- mono_thread_info_yield ();
-
- InterlockedIncrement (&buffer_rwlock_count);
-
- MONO_EXIT_GC_SAFE;
- }
-
- mono_memory_barrier ();
-}
-
-static void
-buffer_unlock (void)
-{
- mono_memory_barrier ();
-
- // See the comment in buffer_lock ().
- if (InterlockedReadPointer (&buffer_rwlock_exclusive) == (gpointer) thread_id ())
- return;
-
- g_assert (InterlockedRead (&buffer_rwlock_count) && "Why are we trying to decrement a zero reader count?");
-
- InterlockedDecrement (&buffer_rwlock_count);
-}
-
-// Cannot be used recursively.
-static void
-buffer_lock_excl (void)
-{
- gpointer tid = (gpointer) thread_id ();
-
- g_assert (InterlockedReadPointer (&buffer_rwlock_exclusive) != tid && "Why are we taking the exclusive lock twice?");
-
- MONO_ENTER_GC_SAFE;
-
- while (InterlockedCompareExchangePointer (&buffer_rwlock_exclusive, tid, 0))
- mono_thread_info_yield ();
-
- while (InterlockedRead (&buffer_rwlock_count))
- mono_thread_info_yield ();
-
- MONO_EXIT_GC_SAFE;
-
- mono_memory_barrier ();
-}
-
-static void
-buffer_unlock_excl (void)
-{
- mono_memory_barrier ();
-
- g_assert (InterlockedReadPointer (&buffer_rwlock_exclusive) && "Why is the exclusive lock not held?");
- g_assert (InterlockedReadPointer (&buffer_rwlock_exclusive) == (gpointer) thread_id () && "Why does another thread hold the exclusive lock?");
- g_assert (!InterlockedRead (&buffer_rwlock_count) && "Why are there readers when the exclusive lock is held?");
-
- InterlockedWritePointer (&buffer_rwlock_exclusive, NULL);
-}
-
typedef struct _BinaryObject BinaryObject;
struct _BinaryObject {
BinaryObject *next;
static MonoProfiler *log_profiler;
struct _MonoProfiler {
+ MonoProfilerHandle handle;
FILE* file;
#if defined (HAVE_SYS_ZLIB)
gzFile gzfile;
uint64_t time;
} MethodInfo;
-// Do not use these TLS macros directly unless you know what you're doing.
-
-#ifdef HOST_WIN32
-
-#define PROF_TLS_SET(VAL) (TlsSetValue (profiler_tls, (VAL)))
-#define PROF_TLS_GET() ((MonoProfilerThread *) TlsGetValue (profiler_tls))
-#define PROF_TLS_INIT() (profiler_tls = TlsAlloc ())
-#define PROF_TLS_FREE() (TlsFree (profiler_tls))
-
-static DWORD profiler_tls;
-
-#elif HAVE_KW_THREAD
-
-#define PROF_TLS_SET(VAL) (profiler_tls = (VAL))
-#define PROF_TLS_GET() (profiler_tls)
-#define PROF_TLS_INIT()
-#define PROF_TLS_FREE()
-
-static __thread MonoProfilerThread *profiler_tls;
-
-#else
-
-#define PROF_TLS_SET(VAL) (pthread_setspecific (profiler_tls, (VAL)))
-#define PROF_TLS_GET() ((MonoProfilerThread *) pthread_getspecific (profiler_tls))
-#define PROF_TLS_INIT() (pthread_key_create (&profiler_tls, NULL))
-#define PROF_TLS_FREE() (pthread_key_delete (profiler_tls))
-
-static pthread_key_t profiler_tls;
-
-#endif
-
static char*
pstrdup (const char *s)
{
init_buffer_state (thread);
+ thread->small_id = mono_thread_info_register_small_id ();
+
/*
* Some internal profiler threads don't need to be cleaned up
* by the main thread on shutdown.
{
LogBuffer *old = thread->buffer;
- if (old && old->cursor + bytes < old->buf_end)
+ if (old->cursor + bytes < old->buf_end)
return old;
LogBuffer *new_ = create_buffer (thread->node.key, bytes);
return new_;
}
+/*
+ * This is a reader/writer spin lock of sorts used to protect log buffers.
+ * When a thread modifies its own log buffer, it increments the reader
+ * count. When a thread wants to access log buffers of other threads, it
+ * takes the exclusive lock.
+ *
+ * `buffer_lock_state` holds the reader count in its lower 16 bits, and
+ * the small ID of the thread currently holding the exclusive (writer)
+ * lock in its upper 16 bits. Both can be zero. It's important that the
+ * whole lock state is a single word that can be read/written atomically
+ * to avoid race conditions where there could end up being readers while
+ * the writer lock is held.
+ *
+ * The lock is writer-biased. When a thread wants to take the exclusive
+ * lock, it increments `buffer_lock_exclusive_intent` which will make new
+ * readers spin until it's back to zero, then takes the exclusive lock
+ * once the reader count has reached zero. After releasing the exclusive
+ * lock, it decrements `buffer_lock_exclusive_intent`, which, when it
+ * reaches zero again, allows readers to increment the reader count.
+ *
+ * The writer bias is necessary because we take the exclusive lock in
+ * `gc_event ()` during STW. If the writer bias was not there, and a
+ * program had a large number of threads, STW-induced pauses could be
+ * significantly longer than they have to be. Also, we emit periodic
+ * sync points from the helper thread, which requires taking the
+ * exclusive lock, and we need those to arrive with a reasonably
+ * consistent frequency so that readers don't have to queue up too many
+ * events between sync points.
+ *
+ * The lock does not support recursion.
+ */
+static volatile gint32 buffer_lock_state;
+static volatile gint32 buffer_lock_exclusive_intent;
+
+static void
+buffer_lock (void)
+{
+ /*
+ * If the thread holding the exclusive lock tries to modify the
+ * reader count, just make it a no-op. This way, we also avoid
+ * invoking the GC safe point macros below, which could break if
+ * done from a thread that is currently the initiator of STW.
+ *
+ * In other words, we rely on the fact that the GC thread takes
+ * the exclusive lock in the gc_event () callback when the world
+ * is about to stop.
+ */
+ if (InterlockedRead (&buffer_lock_state) != get_thread ()->small_id << 16) {
+ MONO_ENTER_GC_SAFE;
+
+ gint32 old, new_;
+
+ do {
+ restart:
+ // Hold off if a thread wants to take the exclusive lock.
+ while (InterlockedRead (&buffer_lock_exclusive_intent))
+ mono_thread_info_yield ();
+
+ old = InterlockedRead (&buffer_lock_state);
+
+ // Is a thread holding the exclusive lock?
+ if (old >> 16) {
+ mono_thread_info_yield ();
+ goto restart;
+ }
+
+ new_ = old + 1;
+ } while (InterlockedCompareExchange (&buffer_lock_state, new_, old) != old);
+
+ MONO_EXIT_GC_SAFE;
+ }
+
+ mono_memory_barrier ();
+}
+
+static void
+buffer_unlock (void)
+{
+ mono_memory_barrier ();
+
+ gint32 state = InterlockedRead (&buffer_lock_state);
+
+ // See the comment in buffer_lock ().
+ if (state == PROF_TLS_GET ()->small_id << 16)
+ return;
+
+ g_assert (state && "Why are we decrementing a zero reader count?");
+ g_assert (!(state >> 16) && "Why is the exclusive lock held?");
+
+ InterlockedDecrement (&buffer_lock_state);
+}
+
+static void
+buffer_lock_excl (void)
+{
+ gint32 new_ = get_thread ()->small_id << 16;
+
+ g_assert (InterlockedRead (&buffer_lock_state) != new_ && "Why are we taking the exclusive lock twice?");
+
+ InterlockedIncrement (&buffer_lock_exclusive_intent);
+
+ MONO_ENTER_GC_SAFE;
+
+ while (InterlockedCompareExchange (&buffer_lock_state, new_, 0))
+ mono_thread_info_yield ();
+
+ MONO_EXIT_GC_SAFE;
+
+ mono_memory_barrier ();
+}
+
+static void
+buffer_unlock_excl (void)
+{
+ mono_memory_barrier ();
+
+ gint32 state = InterlockedRead (&buffer_lock_state);
+ gint32 excl = state >> 16;
+
+ g_assert (excl && "Why is the exclusive lock not held?");
+ g_assert (excl == PROF_TLS_GET ()->small_id && "Why does another thread hold the exclusive lock?");
+ g_assert (!(state & 0xFFFF) && "Why are there readers when the exclusive lock is held?");
+
+ InterlockedWrite (&buffer_lock_state, 0);
+ InterlockedDecrement (&buffer_lock_exclusive_intent);
+}
+
static void
encode_uleb128 (uint64_t value, uint8_t *buf, uint8_t **endbuf)
{
}
static void
-emit_ptr (LogBuffer *logbuffer, void *ptr)
+emit_ptr (LogBuffer *logbuffer, const void *ptr)
{
if (!logbuffer->ptr_base)
logbuffer->ptr_base = (uintptr_t) ptr;
g_assert (logbuffer->cursor <= logbuffer->buf_end && "Why are we writing past the buffer end?");
}
+// The reader lock must be held.
static void
register_method_local (MonoMethod *method, MonoJitInfo *ji)
{
info->ji = ji;
info->time = current_time ();
- buffer_lock ();
-
GPtrArray *arr = thread->methods ? thread->methods : (thread->methods = g_ptr_array_new ());
g_ptr_array_add (arr, info);
-
- buffer_unlock ();
}
}
static void
sync_point_flush (void)
{
- g_assert (InterlockedReadPointer (&buffer_rwlock_exclusive) == (gpointer) thread_id () && "Why don't we hold the exclusive lock?");
+ g_assert (InterlockedRead (&buffer_lock_state) == PROF_TLS_GET ()->small_id << 16 && "Why don't we hold the exclusive lock?");
MONO_LLS_FOREACH_SAFE (&profiler_thread_list, MonoProfilerThread, thread) {
g_assert (thread->attached && "Why is a thread in the LLS not attached?");
static void
sync_point_mark (MonoProfilerSyncPointType type)
{
- g_assert (InterlockedReadPointer (&buffer_rwlock_exclusive) == (gpointer) thread_id () && "Why don't we hold the exclusive lock?");
+ g_assert (InterlockedRead (&buffer_lock_state) == PROF_TLS_GET ()->small_id << 16 && "Why don't we hold the exclusive lock?");
ENTER_LOG (&sync_points_ctr, logbuffer,
EVENT_SIZE /* event */ +
static gboolean ignore_heap_events;
static void
-gc_roots (MonoProfiler *prof, int num, void **objects, int *root_types, uintptr_t *extra_info)
+gc_roots (MonoProfiler *prof, MonoObject *const *objects, const MonoProfilerGCRootType *root_types, const uintptr_t *extra_info, uint64_t num)
{
if (ignore_heap_events)
return;
#define ALL_GC_EVENTS_MASK (PROFLOG_GC_MOVES_EVENTS | PROFLOG_GC_ROOT_EVENTS | PROFLOG_GC_EVENTS | PROFLOG_HEAPSHOT_FEATURE)
static void
-gc_event (MonoProfiler *profiler, MonoGCEvent ev, int generation)
+gc_event (MonoProfiler *profiler, MonoProfilerGCEvent ev, uint32_t generation)
{
if (ev == MONO_GC_EVENT_START) {
uint64_t now = current_time ();
}
static void
-gc_resize (MonoProfiler *profiler, int64_t new_size)
+gc_resize (MonoProfiler *profiler, uintptr_t new_size)
{
ENTER_LOG (&gc_resizes_ctr, logbuffer,
EVENT_SIZE /* event */ +
}
static void
-gc_alloc (MonoProfiler *prof, MonoObject *obj, MonoClass *klass)
+gc_alloc (MonoProfiler *prof, MonoObject *obj)
{
int do_bt = (nocalls && InterlockedRead (&runtime_inited) && !notraces) ? TYPE_ALLOC_BT : 0;
FrameData data;
);
emit_event (logbuffer, do_bt | TYPE_ALLOC);
- emit_ptr (logbuffer, klass);
+ emit_ptr (logbuffer, mono_object_get_class (obj));
emit_obj (logbuffer, obj);
emit_value (logbuffer, len);
}
static void
-gc_moves (MonoProfiler *prof, void **objects, int num)
+gc_moves (MonoProfiler *prof, MonoObject *const *objects, uint64_t num)
{
ENTER_LOG (&gc_moves_ctr, logbuffer,
EVENT_SIZE /* event */ +
}
static void
-gc_handle (MonoProfiler *prof, int op, int type, uintptr_t handle, MonoObject *obj)
+gc_handle (MonoProfiler *prof, int op, MonoGCHandleType type, uint32_t handle, MonoObject *obj)
{
int do_bt = nocalls && InterlockedRead (&runtime_inited) && !notraces;
FrameData data;
EXIT_LOG;
}
+static void
+gc_handle_created (MonoProfiler *prof, uint32_t handle, MonoGCHandleType type, MonoObject *obj)
+{
+ gc_handle (prof, MONO_PROFILER_GC_HANDLE_CREATED, type, handle, obj);
+}
+
+static void
+gc_handle_deleted (MonoProfiler *prof, uint32_t handle, MonoGCHandleType type)
+{
+ gc_handle (prof, MONO_PROFILER_GC_HANDLE_DESTROYED, type, handle, NULL);
+}
+
static void
finalize_begin (MonoProfiler *prof)
{
}
static void
-image_loaded (MonoProfiler *prof, MonoImage *image, int result)
+image_loaded (MonoProfiler *prof, MonoImage *image)
{
- if (result != MONO_PROFILE_OK)
- return;
-
const char *name = mono_image_get_filename (image);
int nlen = strlen (name) + 1;
}
static void
-assembly_loaded (MonoProfiler *prof, MonoAssembly *assembly, int result)
+assembly_loaded (MonoProfiler *prof, MonoAssembly *assembly)
{
- if (result != MONO_PROFILE_OK)
- return;
-
char *name = mono_stringify_assembly_name (mono_assembly_get_name (assembly));
int nlen = strlen (name) + 1;
MonoImage *image = mono_assembly_get_image (assembly);
}
static void
-class_loaded (MonoProfiler *prof, MonoClass *klass, int result)
+class_loaded (MonoProfiler *prof, MonoClass *klass)
{
- if (result != MONO_PROFILE_OK)
- return;
-
char *name;
if (InterlockedRead (&runtime_inited))
g_free (name);
}
-static void
-class_unloaded (MonoProfiler *prof, MonoClass *klass)
-{
- char *name;
-
- if (InterlockedRead (&runtime_inited))
- name = mono_type_get_name (mono_class_get_type (klass));
- else
- name = type_name (klass);
-
- int nlen = strlen (name) + 1;
- MonoImage *image = mono_class_get_image (klass);
-
- ENTER_LOG (&class_unloads_ctr, logbuffer,
- EVENT_SIZE /* event */ +
- BYTE_SIZE /* type */ +
- LEB128_SIZE /* klass */ +
- LEB128_SIZE /* image */ +
- nlen /* name */
- );
-
- emit_event (logbuffer, TYPE_END_UNLOAD | TYPE_METADATA);
- emit_byte (logbuffer, TYPE_CLASS);
- emit_ptr (logbuffer, klass);
- emit_ptr (logbuffer, image);
- memcpy (logbuffer->cursor, name, nlen);
- logbuffer->cursor += nlen;
-
- EXIT_LOG;
-
- if (runtime_inited)
- mono_free (name);
- else
- g_free (name);
-}
-
-static void process_method_enter_coverage (MonoProfiler *prof, MonoMethod *method);
-
static void
method_enter (MonoProfiler *prof, MonoMethod *method)
{
- process_method_enter_coverage (prof, method);
-
- if (!only_coverage && get_thread ()->call_depth++ <= max_call_depth) {
+ if (get_thread ()->call_depth++ <= max_call_depth) {
ENTER_LOG (&method_entries_ctr, logbuffer,
EVENT_SIZE /* event */ +
LEB128_SIZE /* method */
static void
method_leave (MonoProfiler *prof, MonoMethod *method)
{
- if (!only_coverage && --get_thread ()->call_depth <= max_call_depth) {
+ if (--get_thread ()->call_depth <= max_call_depth) {
ENTER_LOG (&method_exits_ctr, logbuffer,
EVENT_SIZE /* event */ +
LEB128_SIZE /* method */
}
static void
-method_exc_leave (MonoProfiler *prof, MonoMethod *method)
+method_exc_leave (MonoProfiler *prof, MonoMethod *method, MonoObject *exc)
{
- if (!only_coverage && !nocalls && --get_thread ()->call_depth <= max_call_depth) {
+ if (!nocalls && --get_thread ()->call_depth <= max_call_depth) {
ENTER_LOG (&method_exception_exits_ctr, logbuffer,
EVENT_SIZE /* event */ +
LEB128_SIZE /* method */
}
}
+static MonoProfilerCallInstrumentationFlags
+method_filter (MonoProfiler *prof, MonoMethod *method)
+{
+ return MONO_PROFILER_CALL_INSTRUMENTATION_PROLOGUE | MONO_PROFILER_CALL_INSTRUMENTATION_EPILOGUE;
+}
+
static void
-method_jitted (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *ji, int result)
+method_jitted (MonoProfiler *prof, MonoMethod *method, MonoJitInfo *ji)
{
- if (result != MONO_PROFILE_OK)
- return;
+ buffer_lock ();
register_method_local (method, ji);
+
+ buffer_unlock ();
}
static void
-code_buffer_new (MonoProfiler *prof, void *buffer, int size, MonoProfilerCodeBufferType type, void *data)
+code_buffer_new (MonoProfiler *prof, const mono_byte *buffer, uint64_t size, MonoProfilerCodeBufferType type, const void *data)
{
- char *name;
+ const char *name;
int nlen;
if (type == MONO_PROFILER_CODE_BUFFER_SPECIFIC_TRAMPOLINE) {
- name = (char *) data;
+ name = (const char *) data;
nlen = strlen (name) + 1;
} else {
name = NULL;
}
static void
-clause_exc (MonoProfiler *prof, MonoMethod *method, int clause_type, int clause_num, MonoObject *exc)
+clause_exc (MonoProfiler *prof, MonoMethod *method, uint32_t clause_num, MonoExceptionEnum clause_type, MonoObject *exc)
{
ENTER_LOG (&exception_clauses_ctr, logbuffer,
EVENT_SIZE /* event */ +
EXIT_LOG;
}
+static void
+monitor_contention (MonoProfiler *prof, MonoObject *object)
+{
+ monitor_event (prof, object, MONO_PROFILER_MONITOR_CONTENTION);
+}
+
+static void
+monitor_acquired (MonoProfiler *prof, MonoObject *object)
+{
+ monitor_event (prof, object, MONO_PROFILER_MONITOR_DONE);
+}
+
+static void
+monitor_failed (MonoProfiler *prof, MonoObject *object)
+{
+ monitor_event (prof, object, MONO_PROFILER_MONITOR_FAIL);
+}
+
static void
thread_start (MonoProfiler *prof, uintptr_t tid)
{
}
static void
-domain_loaded (MonoProfiler *prof, MonoDomain *domain, int result)
+domain_loaded (MonoProfiler *prof, MonoDomain *domain)
{
- if (result != MONO_PROFILE_OK)
- return;
-
ENTER_LOG (&domain_loads_ctr, logbuffer,
EVENT_SIZE /* event */ +
BYTE_SIZE /* type */ +
MonoProfiler *prof;
uint64_t time;
uintptr_t tid;
- void *ip;
+ const void *ip;
int count;
AsyncFrameInfo frames [MONO_ZERO_LEN_ARRAY];
} SampleHit;
}
static void
-mono_sample_hit (MonoProfiler *profiler, unsigned char *ip, void *context)
+mono_sample_hit (MonoProfiler *profiler, const mono_byte *ip, const void *context)
{
/*
* Please note: We rely on the runtime loading the profiler with
}
sample->count = 0;
- mono_stack_walk_async_safe (&async_walk_stack, context, sample);
+ mono_stack_walk_async_safe (&async_walk_stack, (void *) context, sample);
sample->time = current_time ();
sample->tid = thread_id ();
static MonoConcurrentHashTable *coverage_classes = NULL;
static MonoConcurrentHashTable *filtered_classes = NULL;
-static MonoConcurrentHashTable *entered_methods = NULL;
static MonoConcurrentHashTable *image_to_methods = NULL;
static MonoConcurrentHashTable *suppressed_assemblies = NULL;
static gboolean coverage_initialized = FALSE;
}
static void
-obtain_coverage_for_method (MonoProfiler *prof, const MonoProfileCoverageEntry *entry)
+obtain_coverage_for_method (MonoProfiler *prof, const MonoProfilerCoverageData *entry)
{
- int offset = entry->iloffset - previous_offset;
+ int offset = entry->il_offset - previous_offset;
CoverageEntry *e = g_new (CoverageEntry, 1);
- previous_offset = entry->iloffset;
+ previous_offset = entry->il_offset;
e->offset = offset;
e->counter = entry->counter;
- e->filename = g_strdup(entry->filename ? entry->filename : "");
+ e->filename = g_strdup(entry->file_name ? entry->file_name : "");
e->line = entry->line;
- e->column = entry->col;
+ e->column = entry->column;
g_ptr_array_add (coverage_data, e);
}
previous_offset = 0;
coverage_data = g_ptr_array_new ();
- mono_profiler_coverage_get (prof, method, obtain_coverage_for_method);
+ mono_profiler_get_coverage_data (prof->handle, method, obtain_coverage_for_method);
klass = mono_method_get_class (method);
image = mono_class_get_image (klass);
COVERAGE_DEBUG(fprintf (stderr, "Coverage: Finished dump\n");)
}
-static void
-process_method_enter_coverage (MonoProfiler *prof, MonoMethod *method)
-{
- MonoClass *klass;
- MonoImage *image;
-
- if (!coverage_initialized)
- return;
-
- klass = mono_method_get_class (method);
- image = mono_class_get_image (klass);
-
- if (mono_conc_hashtable_lookup (suppressed_assemblies, (gpointer) mono_image_get_name (image)))
- return;
-
- mono_os_mutex_lock (&coverage_mutex);
- mono_conc_hashtable_insert (entered_methods, method, method);
- mono_os_mutex_unlock (&coverage_mutex);
-}
-
static MonoLockFreeQueueNode *
create_method_node (MonoMethod *method)
{
coverage_assemblies = mono_conc_hashtable_new (NULL, NULL);
coverage_classes = mono_conc_hashtable_new (NULL, NULL);
filtered_classes = mono_conc_hashtable_new (NULL, NULL);
- entered_methods = mono_conc_hashtable_new (NULL, NULL);
image_to_methods = mono_conc_hashtable_new (NULL, NULL);
init_suppressed_assemblies ();
*/
mono_thread_hazardous_try_free_all ();
- g_assert (!InterlockedRead (&buffer_rwlock_count) && "Why is the reader count still non-zero?");
- g_assert (!InterlockedReadPointer (&buffer_rwlock_exclusive) && "Why does someone still hold the exclusive lock?");
+ gint32 state = InterlockedRead (&buffer_lock_state);
+
+ g_assert (!(state & 0xFFFF) && "Why is the reader count still non-zero?");
+ g_assert (!(state >> 16) && "Why is the exclusive lock still held?");
#if defined (HAVE_SYS_ZLIB)
if (prof->gzfile)
mono_conc_hashtable_destroy (coverage_classes);
mono_conc_hashtable_destroy (filtered_classes);
- mono_conc_hashtable_destroy (entered_methods);
mono_conc_hashtable_destroy (image_to_methods);
mono_conc_hashtable_destroy (suppressed_assemblies);
mono_os_mutex_destroy (&coverage_mutex);
);
emit_event_time (logbuffer, TYPE_SAMPLE | TYPE_SAMPLE_HIT, sample->time);
- emit_byte (logbuffer, SAMPLE_CYCLES);
emit_ptr (logbuffer, (void *) sample->tid);
emit_value (logbuffer, 1);
* mono will load from the shared library and call.
*/
extern void
-mono_profiler_startup (const char *desc);
+mono_profiler_init (const char *desc);
extern void
-mono_profiler_startup_log (const char *desc);
+mono_profiler_init_log (const char *desc);
/*
* this is the entry point that will be used when the profiler
* is embedded inside the main executable.
*/
void
-mono_profiler_startup_log (const char *desc)
+mono_profiler_init_log (const char *desc)
{
- mono_profiler_startup (desc);
+ mono_profiler_init (desc);
}
void
-mono_profiler_startup (const char *desc)
+mono_profiler_init (const char *desc)
{
GPtrArray *filters = NULL;
max_call_depth = config.max_call_depth;
do_coverage = (config.effective_mask & PROFLOG_CODE_COV_FEATURE);
debug_coverage = config.debug_coverage;
- only_coverage = config.only_coverage;
if (config.cov_filter_files) {
filters = g_ptr_array_new ();
mono_lls_init (&profiler_thread_list, NULL);
- //This two events are required for the profiler to work
- int events = MONO_PROFILE_THREADS | MONO_PROFILE_GC;
+ MonoProfilerHandle handle = log_profiler->handle = mono_profiler_install (log_profiler);
//Required callbacks
- mono_profiler_install (log_profiler, log_shutdown);
- mono_profiler_install_runtime_initialized (runtime_initialized);
+ mono_profiler_set_runtime_shutdown_end_callback (handle, log_shutdown);
+ mono_profiler_set_runtime_initialized_callback (handle, runtime_initialized);
- mono_profiler_install_gc (gc_event, gc_resize);
- mono_profiler_install_thread (thread_start, thread_end);
+ mono_profiler_set_gc_event_callback (handle, gc_event);
+ mono_profiler_set_gc_resize_callback (handle, gc_resize);
+ mono_profiler_set_thread_started_callback (handle, thread_start);
+ mono_profiler_set_thread_stopped_callback (handle, thread_end);
//It's questionable whether we actually want this to be mandatory, maybe put it behind the actual event?
- mono_profiler_install_thread_name (thread_name);
-
+ mono_profiler_set_thread_name_callback (handle, thread_name);
if (config.effective_mask & PROFLOG_DOMAIN_EVENTS) {
- events |= MONO_PROFILE_APPDOMAIN_EVENTS;
- mono_profiler_install_appdomain (NULL, domain_loaded, domain_unloaded, NULL);
- mono_profiler_install_appdomain_name (domain_name);
+ mono_profiler_set_domain_loaded_callback (handle, domain_loaded);
+ mono_profiler_set_domain_unloading_callback (handle, domain_unloaded);
+ mono_profiler_set_domain_name_callback (handle, domain_name);
}
if (config.effective_mask & PROFLOG_ASSEMBLY_EVENTS) {
- events |= MONO_PROFILE_ASSEMBLY_EVENTS;
- mono_profiler_install_assembly (NULL, assembly_loaded, assembly_unloaded, NULL);
+ mono_profiler_set_assembly_loaded_callback (handle, assembly_loaded);
+ mono_profiler_set_assembly_unloading_callback (handle, assembly_unloaded);
}
if (config.effective_mask & PROFLOG_MODULE_EVENTS) {
- events |= MONO_PROFILE_MODULE_EVENTS;
- mono_profiler_install_module (NULL, image_loaded, image_unloaded, NULL);
+ mono_profiler_set_image_loaded_callback (handle, image_loaded);
+ mono_profiler_set_image_unloading_callback (handle, image_unloaded);
}
- if (config.effective_mask & PROFLOG_CLASS_EVENTS) {
- events |= MONO_PROFILE_CLASS_EVENTS;
- mono_profiler_install_class (NULL, class_loaded, class_unloaded, NULL);
- }
+ if (config.effective_mask & PROFLOG_CLASS_EVENTS)
+ mono_profiler_set_class_loaded_callback (handle, class_loaded);
if (config.effective_mask & PROFLOG_JIT_COMPILATION_EVENTS) {
- events |= MONO_PROFILE_JIT_COMPILATION;
- mono_profiler_install_jit_end (method_jitted);
- mono_profiler_install_code_buffer_new (code_buffer_new);
+ mono_profiler_set_jit_done_callback (handle, method_jitted);
+ mono_profiler_set_jit_code_buffer_callback (handle, code_buffer_new);
}
if (config.effective_mask & PROFLOG_EXCEPTION_EVENTS) {
- events |= MONO_PROFILE_EXCEPTIONS;
- mono_profiler_install_exception (throw_exc, method_exc_leave, NULL);
- mono_profiler_install_exception_clause (clause_exc);
+ mono_profiler_set_exception_throw_callback (handle, throw_exc);
+ mono_profiler_set_exception_clause_callback (handle, clause_exc);
}
if (config.effective_mask & PROFLOG_ALLOCATION_EVENTS) {
- events |= MONO_PROFILE_ALLOCATIONS;
- mono_profiler_install_allocation (gc_alloc);
+ mono_profiler_enable_allocations ();
+ mono_profiler_set_gc_allocation_callback (handle, gc_alloc);
}
//PROFLOG_GC_EVENTS is mandatory
//PROFLOG_THREAD_EVENTS is mandatory
if (config.effective_mask & PROFLOG_CALL_EVENTS) {
- events |= MONO_PROFILE_ENTER_LEAVE;
- mono_profiler_install_enter_leave (method_enter, method_leave);
+ mono_profiler_set_call_instrumentation_filter_callback (handle, method_filter);
+ mono_profiler_set_method_enter_callback (handle, method_enter);
+ mono_profiler_set_method_leave_callback (handle, method_leave);
+ mono_profiler_set_method_exception_leave_callback (handle, method_exc_leave);
}
- if (config.effective_mask & PROFLOG_INS_COVERAGE_EVENTS) {
- events |= MONO_PROFILE_INS_COVERAGE;
- mono_profiler_install_coverage_filter (coverage_filter);
- }
+ if (config.effective_mask & PROFLOG_INS_COVERAGE_EVENTS)
+ mono_profiler_set_coverage_filter_callback (handle, coverage_filter);
- //XXX should we check for PROFLOG_SAMPLING_FEATURE instead??
if (config.effective_mask & PROFLOG_SAMPLING_EVENTS) {
- events |= MONO_PROFILE_STATISTICAL;
- mono_profiler_set_statistical_mode (config.sampling_mode, config.sample_freq);
- mono_profiler_install_statistical (mono_sample_hit);
+ mono_profiler_enable_sampling (handle);
+
+ if (!mono_profiler_set_sample_mode (handle, config.sampling_mode, config.sample_freq))
+ g_warning ("Another profiler controls sampling parameters; the log profiler will not be able to modify them");
+
+ mono_profiler_set_sample_hit_callback (handle, mono_sample_hit);
}
if (config.effective_mask & PROFLOG_MONITOR_EVENTS) {
- events |= MONO_PROFILE_MONITOR_EVENTS;
- mono_profiler_install_monitor (monitor_event);
+ mono_profiler_set_monitor_contention_callback (handle, monitor_contention);
+ mono_profiler_set_monitor_acquired_callback (handle, monitor_acquired);
+ mono_profiler_set_monitor_failed_callback (handle, monitor_failed);
}
- if (config.effective_mask & PROFLOG_GC_MOVES_EVENTS) {
- events |= MONO_PROFILE_GC_MOVES;
- mono_profiler_install_gc_moves (gc_moves);
- }
+ if (config.effective_mask & PROFLOG_GC_MOVES_EVENTS)
+ mono_profiler_set_gc_moves_callback (handle, gc_moves);
- // TODO split those in two profiler events
- if (config.effective_mask & (PROFLOG_GC_ROOT_EVENTS | PROFLOG_GC_HANDLE_EVENTS)) {
- events |= MONO_PROFILE_GC_ROOTS;
- mono_profiler_install_gc_roots (
- config.effective_mask & (PROFLOG_GC_HANDLE_EVENTS) ? gc_handle : NULL,
- (config.effective_mask & PROFLOG_GC_ROOT_EVENTS) ? gc_roots : NULL);
- }
+ if (config.effective_mask & PROFLOG_GC_ROOT_EVENTS)
+ mono_profiler_set_gc_roots_callback (handle, gc_roots);
if (config.effective_mask & PROFLOG_CONTEXT_EVENTS) {
- events |= MONO_PROFILE_CONTEXT_EVENTS;
- mono_profiler_install_context (context_loaded, context_unloaded);
+ mono_profiler_set_context_loaded_callback (handle, context_loaded);
+ mono_profiler_set_context_unloaded_callback (handle, context_unloaded);
}
if (config.effective_mask & PROFLOG_FINALIZATION_EVENTS) {
- events |= MONO_PROFILE_GC_FINALIZATION;
- mono_profiler_install_gc_finalize (finalize_begin, finalize_object_begin, finalize_object_end, finalize_end);
+ mono_profiler_set_gc_finalizing_callback (handle, finalize_begin);
+ mono_profiler_set_gc_finalized_callback (handle, finalize_end);
+ mono_profiler_set_gc_finalizing_object_callback (handle, finalize_object_begin);
+ mono_profiler_set_gc_finalized_object_callback (handle, finalize_object_end);
} else if (ENABLED (PROFLOG_HEAPSHOT_FEATURE) && config.hs_mode_ondemand) {
//On Demand heapshot uses the finalizer thread to force a collection and thus a heapshot
- events |= MONO_PROFILE_GC_FINALIZATION;
- mono_profiler_install_gc_finalize (NULL, NULL, NULL, finalize_end);
+ mono_profiler_set_gc_finalized_callback (handle, finalize_end);
}
//PROFLOG_COUNTER_EVENTS is a pseudo event controled by the no_counters global var
- //PROFLOG_GC_HANDLE_EVENTS is handled together with PROFLOG_GC_ROOT_EVENTS
- mono_profiler_set_events ((MonoProfileFlags)events);
+ if (config.effective_mask & PROFLOG_GC_HANDLE_EVENTS) {
+ mono_profiler_set_gc_handle_created_callback (handle, gc_handle_created);
+ mono_profiler_set_gc_handle_deleted_callback (handle, gc_handle_deleted);
+ }
}
projects / mono.git / blobdiff