+#include "config.h"
#include "mono/metadata/profiler-private.h"
#include "mono/metadata/debug-helpers.h"
#include "mono/metadata/mono-debug.h"
+#include "mono/metadata/class-internals.h"
+#include "mono/metadata/domain-internals.h"
+#include "mono/metadata/gc-internal.h"
#include "mono/io-layer/io-layer.h"
#include <string.h>
+#include <sys/time.h>
#include <gmodule.h>
+#ifdef HAVE_BACKTRACE_SYMBOLS
+#include <execinfo.h>
+#endif
static MonoProfiler * current_profiler = NULL;
static MonoProfileMethodResult jit_end;
static MonoProfileMethodResult man_unman_transition;
static MonoProfileAllocFunc allocation_cb;
+static MonoProfileStatFunc statistical_cb;
static MonoProfileMethodFunc method_enter;
static MonoProfileMethodFunc method_leave;
static MonoProfileFunc shutdown_callback;
+static MonoProfileGCFunc gc_event;
+static MonoProfileGCResizeFunc gc_heap_resize;
+
static CRITICAL_SECTION profiler_coverage_mutex;
/* this is directly accessible to other mono libs. */
allocation_cb = callback;
}
+void
+mono_profiler_install_statistical (MonoProfileStatFunc callback)
+{
+ statistical_cb = callback;
+}
+
void
mono_profiler_install_coverage_filter (MonoProfileCoverageFilterFunc callback)
{
allocation_cb (current_profiler, obj, klass);
}
+void
+mono_profiler_stat_hit (guchar *ip, void *context)
+{
+ if ((mono_profiler_events & MONO_PROFILE_STATISTICAL) && statistical_cb)
+ statistical_cb (current_profiler, ip, context);
+}
+
void
mono_profiler_thread_start (guint32 tid)
{
shutdown_callback (current_profiler);
}
+void
+mono_profiler_gc_heap_resize (gint64 new_size)
+{
+ if ((mono_profiler_events & MONO_PROFILE_GC) && gc_heap_resize)
+ gc_heap_resize (current_profiler, new_size);
+}
+
+void
+mono_profiler_gc_event (MonoGCEvent event, int generation)
+{
+ if ((mono_profiler_events & MONO_PROFILE_GC) && gc_event)
+ gc_event (current_profiler, event, generation);
+}
+
+void
+mono_profiler_install_gc (MonoProfileGCFunc callback, MonoProfileGCResizeFunc heap_resize_callback)
+{
+ mono_gc_enable_events ();
+ gc_event = callback;
+ gc_heap_resize = heap_resize_callback;
+}
+
static GHashTable *coverage_hash = NULL;
MonoProfileCoverageInfo*
if (!info)
return;
- header = ((MonoMethodNormal *)method)->header;
+ header = mono_method_get_header (method);
start = (unsigned char*)header->code;
end = start + header->code_size;
for (i = 0; i < info->entries; ++i) {
}
}
+#ifndef DISABLE_PROFILER
/*
* Small profiler extracted from mint: we should move it in a loadable module
* and improve it to do graphs and more accurate timestamping with rdtsc.
MonoMethod *max_jit_method;
int methods_jitted;
- /* tls_id is the id for the TLS slot where MonoProfiler is stored */
- int tls_id;
GSList *per_thread;
/* chain of callers for the current thread */
return prof;
}
#if 1
-#define GET_THREAD_PROF(prof) do {\
- MonoProfiler *_tprofiler = TlsGetValue ((prof)->tls_id); \
- if (!_tprofiler) { \
- _tprofiler = create_profiler (); \
- prof->per_thread = g_slist_prepend (prof->per_thread, _tprofiler); \
- TlsSetValue ((prof)->tls_id, _tprofiler); \
- } \
- prof = _tprofiler; \
+
+#ifdef HAVE_KW_THREAD
+ static __thread MonoProfiler * tls_profiler;
+# define GET_PROFILER() tls_profiler
+# define SET_PROFILER(x) tls_profiler = (x)
+# define ALLOC_PROFILER() /* nop */
+#else
+ static guint32 profiler_thread_id = -1;
+# define GET_PROFILER() ((MonoProfiler *)TlsGetValue (profiler_thread_id))
+# define SET_PROFILER(x) TlsSetValue (profiler_thread_id, x);
+# define ALLOC_PROFILER() profiler_thread_id = TlsAlloc ()
+#endif
+
+#define GET_THREAD_PROF(prof) do { \
+ MonoProfiler *_tprofiler = GET_PROFILER (); \
+ if (!_tprofiler) { \
+ _tprofiler = create_profiler (); \
+ prof->per_thread = g_slist_prepend (prof->per_thread, _tprofiler); \
+ SET_PROFILER (_tprofiler); \
+ } \
+ prof = _tprofiler; \
} while (0)
#else
/* thread unsafe but faster variant */
{
char *sig, *res;
- sig = mono_signature_get_desc (method->signature, FALSE);
+ sig = mono_signature_get_desc (mono_method_signature (method), FALSE);
res = g_strdup_printf ("%s.%s::%s(%s)", method->klass->name_space, method->klass->name,
method->name, sig);
g_free (sig);
m = method_get_name (p->method);
printf ("########################\n");
printf ("% 8.3f ", (double) (p->total * 1000));
- printf ("%7llu ", p->count);
+ printf ("%7llu ", (unsigned long long)p->count);
printf ("% 8.3f ", (double) (p->total * 1000)/(double)p->count);
printf (" %s\n", m);
/* callers */
output_callers (p);
}
- printf ("Total number of calls: %lld\n", total_calls);
+ printf ("Total number of calls: %lld\n", (long long)total_calls);
}
typedef struct {
GET_THREAD_PROF (prof);
if (prof->callers) {
- if (!(profile_info = g_hash_table_lookup (prof->methods, prof->callers->method)))
+ MonoMethod *caller = prof->callers->method;
+
+ /* Otherwise all allocations are attributed to icall_wrapper_mono_object_new */
+ if (caller->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
+ caller = prof->callers->next->method;
+
+ if (!(profile_info = g_hash_table_lookup (prof->methods, caller)))
g_assert_not_reached ();
} else {
return; /* fine for now */
profile_info->alloc_info = tmp;
}
tmp->count++;
- if (klass == mono_defaults.string_class) {
- tmp->mem += sizeof (MonoString) + 2 * mono_string_length ((MonoString*)obj) + 2;
- } else if (klass->parent == mono_defaults.array_class) {
- tmp->mem += sizeof (MonoArray) + mono_array_element_size (klass) * mono_array_length ((MonoArray*)obj);
- } else {
- tmp->mem += mono_class_instance_size (klass);
- }
+ tmp->mem += mono_object_get_size (obj);
}
static void
}
}
+/* about 10 minutes of samples */
+#define MAX_PROF_SAMPLES (1000*60*10)
+static int prof_counts = 0;
+static int prof_ucounts = 0;
+static gpointer* prof_addresses = NULL;
+static GHashTable *prof_table = NULL;
+
+static void
+simple_stat_hit (MonoProfiler *prof, guchar *ip, void *context)
+{
+ int pos;
+
+ if (prof_counts >= MAX_PROF_SAMPLES)
+ return;
+ pos = InterlockedIncrement (&prof_counts);
+ prof_addresses [pos - 1] = ip;
+}
+
+static int
+compare_methods_prof (gconstpointer a, gconstpointer b)
+{
+ int ca = GPOINTER_TO_UINT (g_hash_table_lookup (prof_table, a));
+ int cb = GPOINTER_TO_UINT (g_hash_table_lookup (prof_table, b));
+ return cb-ca;
+}
+
+static void
+prof_foreach (char *method, gpointer c, gpointer data)
+{
+ GList **list = data;
+ *list = g_list_insert_sorted (*list, method, compare_methods_prof);
+}
+
+typedef struct Addr2LineData Addr2LineData;
+
+struct Addr2LineData {
+ Addr2LineData *next;
+ FILE *pipein;
+ FILE *pipeout;
+ char *binary;
+ int child_pid;
+};
+
+static Addr2LineData *addr2line_pipes = NULL;
+
+static char*
+try_addr2line (const char* binary, gpointer ip)
+{
+ char buf [1024];
+ char *res;
+ Addr2LineData *addr2line;
+
+ for (addr2line = addr2line_pipes; addr2line; addr2line = addr2line->next) {
+ if (strcmp (binary, addr2line->binary) == 0)
+ break;
+ }
+ if (!addr2line) {
+ const char *addr_argv[] = {"addr2line", "-f", "-e", binary, NULL};
+ int child_pid;
+ int ch_in, ch_out;
+ if (!g_spawn_async_with_pipes (NULL, (char**)addr_argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
+ &child_pid, &ch_in, &ch_out, NULL, NULL)) {
+ return g_strdup (binary);
+ }
+ addr2line = g_new0 (Addr2LineData, 1);
+ addr2line->child_pid = child_pid;
+ addr2line->binary = g_strdup (binary);
+ addr2line->pipein = fdopen (ch_in, "w");
+ addr2line->pipeout = fdopen (ch_out, "r");
+ addr2line->next = addr2line_pipes;
+ addr2line_pipes = addr2line;
+ }
+ fprintf (addr2line->pipein, "%p\n", ip);
+ fflush (addr2line->pipein);
+ /* we first get the func name and then file:lineno in a second line */
+ if (fgets (buf, sizeof (buf), addr2line->pipeout) && buf [0] != '?') {
+ char *end = strchr (buf, '\n');
+ if (end)
+ *end = 0;
+ res = g_strdup_printf ("%s(%s", binary, buf);
+ /* discard the filename/line info */
+ fgets (buf, sizeof (buf), addr2line->pipeout);
+ } else {
+ res = g_strdup (binary);
+ }
+ return res;
+}
+
+static void
+stat_prof_report (void)
+{
+ MonoJitInfo *ji;
+ int count = prof_counts;
+ int i, c;
+ char *mn;
+ gpointer ip;
+ GList *tmp, *sorted = NULL;
+ int pcount = ++ prof_counts;
+
+ prof_counts = MAX_PROF_SAMPLES;
+ for (i = 0; i < count; ++i) {
+ ip = prof_addresses [i];
+ ji = mono_jit_info_table_find (mono_domain_get (), ip);
+ if (ji) {
+ mn = mono_method_full_name (ji->method, TRUE);
+ } else {
+#ifdef HAVE_BACKTRACE_SYMBOLS
+ char **names;
+ char *send;
+ int no_func;
+ prof_ucounts++;
+ names = backtrace_symbols (&ip, 1);
+ send = strchr (names [0], '+');
+ if (send) {
+ *send = 0;
+ no_func = 0;
+ } else {
+ no_func = 1;
+ }
+ send = strchr (names [0], '[');
+ if (send)
+ *send = 0;
+ if (no_func && names [0][0]) {
+ char *endp = strchr (names [0], 0);
+ while (--endp >= names [0] && g_ascii_isspace (*endp))
+ *endp = 0;
+ mn = try_addr2line (names [0], ip);
+ } else {
+ mn = g_strdup (names [0]);
+ }
+ free (names);
+#else
+ prof_ucounts++;
+ mn = g_strdup_printf ("unmanaged [%p]", ip);
+#endif
+ }
+ c = GPOINTER_TO_UINT (g_hash_table_lookup (prof_table, mn));
+ c++;
+ g_hash_table_insert (prof_table, mn, GUINT_TO_POINTER (c));
+ if (c > 1)
+ g_free (mn);
+ }
+ g_print ("prof counts: total/unmanaged: %d/%d\n", pcount, prof_ucounts);
+ g_hash_table_foreach (prof_table, (GHFunc)prof_foreach, &sorted);
+ for (tmp = sorted; tmp; tmp = tmp->next) {
+ double perc;
+ c = GPOINTER_TO_UINT (g_hash_table_lookup (prof_table, tmp->data));
+ perc = c*100.0/count;
+ g_print ("%7d\t%5.2f %% %s\n", c, perc, (char*)tmp->data);
+ }
+ g_list_free (sorted);
+}
+
+static void
+simple_appdomain_unload (MonoProfiler *prof, MonoDomain *domain)
+{
+ /* FIXME: we should actually record partial data for each domain,
+ * since the ip->ji->method mappings are going away at domain unload time.
+ */
+ if (domain == mono_get_root_domain ())
+ stat_prof_report ();
+}
+
static void
simple_shutdown (MonoProfiler *prof)
{
g_hash_table_foreach (prof->methods, (GHFunc)build_newobj_profile, &profile);
output_newobj_profile (profile);
g_list_free (profile);
+
+ g_free (prof_addresses);
+ prof_addresses = NULL;
+ g_hash_table_destroy (prof_table);
}
static void
{
MonoProfiler *prof;
gchar **args, **ptr;
- MonoProfileFlags flags = MONO_PROFILE_ENTER_LEAVE|MONO_PROFILE_JIT_COMPILATION|MONO_PROFILE_ALLOCATIONS;
+ MonoProfileFlags flags = 0;
MONO_TIMER_STARTUP;
+ if (!desc)
+ desc = "alloc,time,jit";
+
if (desc) {
/* Parse options */
if (strstr (desc, ":"))
desc = strstr (desc, ":") + 1;
else
- desc = NULL;
- args = g_strsplit (desc ? desc : "", ",", -1);
+ desc = "alloc,time,jit";
+ args = g_strsplit (desc, ",", -1);
for (ptr = args; ptr && *ptr; ptr++) {
const char *arg = *ptr;
- if (!strcmp (arg, "-time"))
- flags &= ~MONO_PROFILE_ENTER_LEAVE;
- else
- if (!strcmp (arg, "-alloc"))
- flags &= ~MONO_PROFILE_ALLOCATIONS;
- else {
- fprintf (stderr, "profiler : Unknown argument '%s'.\n", arg);
- return;
- }
+ if (!strcmp (arg, "time"))
+ flags |= MONO_PROFILE_ENTER_LEAVE;
+ else if (!strcmp (arg, "alloc"))
+ flags |= MONO_PROFILE_ALLOCATIONS;
+ else if (!strcmp (arg, "stat"))
+ flags |= MONO_PROFILE_STATISTICAL | MONO_PROFILE_APPDOMAIN_EVENTS;
+ else if (!strcmp (arg, "jit"))
+ flags |= MONO_PROFILE_JIT_COMPILATION;
+ else {
+ fprintf (stderr, "profiler : Unknown argument '%s'.\n", arg);
+ return;
+ }
}
}
prof = create_profiler ();
- prof->tls_id = TlsAlloc ();
- TlsSetValue (prof->tls_id, prof);
+ ALLOC_PROFILER ();
+ SET_PROFILER (prof);
+
+ /* statistical profiler data */
+ prof_addresses = g_new0 (gpointer, MAX_PROF_SAMPLES);
+ prof_table = g_hash_table_new (g_str_hash, g_str_equal);
mono_profiler_install (prof, simple_shutdown);
- /* later do also object creation */
mono_profiler_install_enter_leave (simple_method_enter, simple_method_leave);
mono_profiler_install_jit_compile (simple_method_jit, simple_method_end_jit);
mono_profiler_install_allocation (simple_allocation);
+ mono_profiler_install_appdomain (NULL, NULL, simple_appdomain_unload, NULL);
+ mono_profiler_install_statistical (simple_stat_hit);
mono_profiler_set_events (flags);
}
+#endif /* DISABLE_PROFILER */
+
typedef void (*ProfilerInitializer) (const char*);
#define INITIALIZER_NAME "mono_profiler_startup"
void
mono_profiler_load (const char *desc)
{
+#ifndef DISABLE_PROFILER
if (!desc || (strcmp ("default", desc) == 0) || (strncmp (desc, "default:", 8) == 0)) {
mono_profiler_install_simple (desc);
- } else {
+ return;
+ }
+#else
+ if (!desc) {
+ desc = "default";
+ }
+#endif
+ {
GModule *pmodule;
const char* col = strchr (desc, ':');
char* libname;
projects / mono.git / blobdiff