mono/metadata/profiler-private.h

   1 /*
   2  * Licensed to the .NET Foundation under one or more agreements.
   3  * The .NET Foundation licenses this file to you under the MIT license.
   4  * See the LICENSE file in the project root for more information.
   5  */
   6
   7 #ifndef __MONO_PROFILER_PRIVATE_H__
   8 #define __MONO_PROFILER_PRIVATE_H__
   9
  10 #define MONO_PROFILER_UNSTABLE_GC_ROOTS
  11 #include <mono/metadata/profiler.h>
  12 #include <mono/utils/mono-lazy-init.h>
  13 #include <mono/utils/mono-os-mutex.h>
  14 #include <mono/utils/mono-os-semaphore.h>
  15
  16 struct _MonoProfilerDesc {
  17         MonoProfilerHandle next;
  18         MonoProfiler *prof;
  19         volatile gpointer coverage_filter;
  20         volatile gpointer call_instrumentation_filter;
  21
  22 #define _MONO_PROFILER_EVENT(name) \
  23         volatile gpointer name ## _cb;
  24 #define MONO_PROFILER_EVENT_0(name, type) \
  25         _MONO_PROFILER_EVENT(name)
  26 #define MONO_PROFILER_EVENT_1(name, type, arg1_type, arg1_name) \
  27         _MONO_PROFILER_EVENT(name)
  28 #define MONO_PROFILER_EVENT_2(name, type, arg1_type, arg1_name, arg2_type, arg2_name) \
  29         _MONO_PROFILER_EVENT(name)
  30 #define MONO_PROFILER_EVENT_3(name, type, arg1_type, arg1_name, arg2_type, arg2_name, arg3_type, arg3_name) \
  31         _MONO_PROFILER_EVENT(name)
  32 #define MONO_PROFILER_EVENT_4(name, type, arg1_type, arg1_name, arg2_type, arg2_name, arg3_type, arg3_name, arg4_type, arg4_name) \
  33         _MONO_PROFILER_EVENT(name)
  34 #include <mono/metadata/profiler-events.h>
  35 #undef MONO_PROFILER_EVENT_0
  36 #undef MONO_PROFILER_EVENT_1
  37 #undef MONO_PROFILER_EVENT_2
  38 #undef MONO_PROFILER_EVENT_3
  39 #undef MONO_PROFILER_EVENT_4
  40 #undef _MONO_PROFILER_EVENT
  41 };
  42
  43 typedef struct {
  44         gboolean startup_done;
  45         MonoProfilerHandle profilers;
  46         mono_lazy_init_t coverage_status;
  47         mono_mutex_t coverage_mutex;
  48         GHashTable *coverage_hash;
  49         MonoProfilerHandle sampling_owner;
  50         MonoSemType sampling_semaphore;
  51         MonoProfilerSampleMode sample_mode;
  52         guint32 sample_freq;
  53         gboolean allocations;
  54
  55 #define _MONO_PROFILER_EVENT(name) \
  56         volatile gint32 name ## _count;
  57 #define MONO_PROFILER_EVENT_0(name, type) \
  58         _MONO_PROFILER_EVENT(name)
  59 #define MONO_PROFILER_EVENT_1(name, type, arg1_type, arg1_name) \
  60         _MONO_PROFILER_EVENT(name)
  61 #define MONO_PROFILER_EVENT_2(name, type, arg1_type, arg1_name, arg2_type, arg2_name) \
  62         _MONO_PROFILER_EVENT(name)
  63 #define MONO_PROFILER_EVENT_3(name, type, arg1_type, arg1_name, arg2_type, arg2_name, arg3_type, arg3_name) \
  64         _MONO_PROFILER_EVENT(name)
  65 #define MONO_PROFILER_EVENT_4(name, type, arg1_type, arg1_name, arg2_type, arg2_name, arg3_type, arg3_name, arg4_type, arg4_name) \
  66         _MONO_PROFILER_EVENT(name)
  67 #include <mono/metadata/profiler-events.h>
  68 #undef MONO_PROFILER_EVENT_0
  69 #undef MONO_PROFILER_EVENT_1
  70 #undef MONO_PROFILER_EVENT_2
  71 #undef MONO_PROFILER_EVENT_3
  72 #undef MONO_PROFILER_EVENT_4
  73 #undef _MONO_PROFILER_EVENT
  74 } MonoProfilerState;
  75
  76 extern MonoProfilerState mono_profiler_state;
  77
  78 typedef struct {
  79         guint32 entries;
  80         struct {
  81                 guchar *cil_code;
  82                 guint32 count;
  83         } data [1];
  84 } MonoProfilerCoverageInfo;
  85
  86 void mono_profiler_started (void);
  87 void mono_profiler_cleanup (void);
  88
  89 static inline gboolean
  90 mono_profiler_installed (void)
  91 {
  92         return !!mono_profiler_state.profilers;
  93 }
  94
  95 MonoProfilerCoverageInfo *mono_profiler_coverage_alloc (MonoMethod *method, guint32 entries);
  96 void mono_profiler_coverage_free (MonoMethod *method);
  97
  98 gboolean mono_profiler_should_instrument_method (MonoMethod *method, gboolean entry);
  99
 100 gboolean mono_profiler_sampling_enabled (void);
 101 void mono_profiler_sampling_thread_post (void);
 102 void mono_profiler_sampling_thread_wait (void);
 103
 104 static inline gboolean
 105 mono_profiler_allocations_enabled (void)
 106 {
 107         return mono_profiler_state.allocations;
 108 }
 109
 110 #define _MONO_PROFILER_EVENT(name, ...) \
 111         void mono_profiler_raise_ ## name (__VA_ARGS__);
 112 #define MONO_PROFILER_EVENT_0(name, type) \
 113         _MONO_PROFILER_EVENT(name, void)
 114 #define MONO_PROFILER_EVENT_1(name, type, arg1_type, arg1_name) \
 115         _MONO_PROFILER_EVENT(name, arg1_type arg1_name)
 116 #define MONO_PROFILER_EVENT_2(name, type, arg1_type, arg1_name, arg2_type, arg2_name) \
 117         _MONO_PROFILER_EVENT(name, arg1_type arg1_name, arg2_type arg2_name)
 118 #define MONO_PROFILER_EVENT_3(name, type, arg1_type, arg1_name, arg2_type, arg2_name, arg3_type, arg3_name) \
 119         _MONO_PROFILER_EVENT(name, arg1_type arg1_name, arg2_type arg2_name, arg3_type arg3_name)
 120 #define MONO_PROFILER_EVENT_4(name, type, arg1_type, arg1_name, arg2_type, arg2_name, arg3_type, arg3_name, arg4_type, arg4_name) \
 121         _MONO_PROFILER_EVENT(name, arg1_type arg1_name, arg2_type arg2_name, arg3_type arg3_name, arg4_type arg4_name)
 122 #include <mono/metadata/profiler-events.h>
 123 #undef MONO_PROFILER_EVENT_0
 124 #undef MONO_PROFILER_EVENT_1
 125 #undef MONO_PROFILER_EVENT_2
 126 #undef MONO_PROFILER_EVENT_3
 127 #undef MONO_PROFILER_EVENT_4
 128 #undef _MONO_PROFILER_EVENT
 129
 130 // These are the macros the rest of the runtime should use.
 131
 132 #define MONO_PROFILER_ENABLED(name) \
 133         G_UNLIKELY (mono_profiler_state.name ## _count)
 134
 135 #define MONO_PROFILER_RAISE(name, args) \
 136         do { \
 137                 if (MONO_PROFILER_ENABLED (name)) \
 138                         mono_profiler_raise_ ## name args; \
 139         } while (0)
 140
 141 #endif // __MONO_PROFILER_PRIVATE_H__