mono/profiler/mono-profiler-vtune.c

   1 /*
   2  * mono-codeanalyst.c: VTune profiler
   3  *
   4  * Author:
   5  *   Virgile Bello (virgile.bello@gmail.com)
   6  *
   7  * (C) 2011 Virgile Bello
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining
  10  * a copy of this software and associated documentation files (the
  11  * "Software"), to deal in the Software without restriction, including
  12  * without limitation the rights to use, copy, modify, merge, publish,
  13  * distribute, sublicense, and/or sell copies of the Software, and to
  14  * permit persons to whom the Software is furnished to do so, subject to
  15  * the following conditions:
  16  *
  17  * The above copyright notice and this permission notice shall be
  18  * included in all copies or substantial portions of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27  */
  28 #include <mono/metadata/profiler.h>
  29 #include <mono/metadata/tokentype.h>
  30 #include <mono/metadata/tabledefs.h>
  31 #include <mono/metadata/debug-helpers.h>
  32 #include <mono/metadata/assembly.h>
  33 #include <mono/metadata/mono-debug.h>
  34 #include <mono/metadata/debug-mono-symfile.h>
  35 #include <string.h>
  36 #include <glib.h>
  37
  38 #define bool char
  39
  40 #include "jitprofiling.h"
  41
  42 /* called at the end of the program */
  43 static void
  44 codeanalyst_shutdown (MonoProfiler *prof)
  45 {
  46         iJIT_NotifyEvent(iJVM_EVENT_TYPE_SHUTDOWN, NULL);
  47 }
  48
  49 static void
  50 method_jit_result (MonoProfiler *prof, MonoMethod *method, MonoJitInfo* jinfo, int result) {
  51         if (result == MONO_PROFILE_OK) {
  52                 int i;
  53                 MonoDebugSourceLocation *sourceLoc;
  54                 MonoDebugMethodInfo *methodDebugInfo;
  55                 MonoDebugMethodJitInfo *dmji;
  56                 MonoClass *klass = mono_method_get_class (method);
  57                 char *signature = mono_signature_get_desc (mono_method_signature (method), TRUE);
  58                 char *name = g_strdup_printf ("%s(%s)", mono_method_get_name (method), signature);
  59                 char *classname = g_strdup_printf ("%s%s%s", mono_class_get_namespace (klass), mono_class_get_namespace (klass)[0] != 0 ? "::" : "", mono_class_get_name (klass));
  60                 gpointer code_start = mono_jit_info_get_code_start (jinfo);
  61                 int code_size = mono_jit_info_get_code_size (jinfo);
  62
  63                 iJIT_Method_Load vtuneMethod;
  64                 memset(&vtuneMethod, 0, sizeof(vtuneMethod));
  65                 vtuneMethod.method_id = iJIT_GetNewMethodID();
  66                 vtuneMethod.method_name = name;
  67                 vtuneMethod.method_load_address = code_start;
  68                 vtuneMethod.method_size = code_size;
  69                 vtuneMethod.class_file_name = classname;
  70
  71                 dmji = mono_debug_find_method (method, mono_domain_get());
  72
  73                 if (dmji != NULL)
  74                 {
  75                         vtuneMethod.line_number_size = dmji->num_line_numbers;
  76                         vtuneMethod.line_number_table = (vtuneMethod.line_number_size != 0) ?
  77                                 (LineNumberInfo*)malloc(sizeof(LineNumberInfo) * vtuneMethod.line_number_size) : NULL;
  78
  79                         for (i = 0; i < dmji->num_line_numbers; ++i)
  80                         {
  81                                 sourceLoc = mono_debug_lookup_source_location (method, dmji->line_numbers[i].native_offset, mono_domain_get());
  82                                 if (sourceLoc == NULL)
  83                                 {
  84                                         free(vtuneMethod.line_number_table);
  85                                         vtuneMethod.line_number_table = NULL;
  86                                         vtuneMethod.line_number_size = 0;
  87                                         break;
  88                                 }
  89                                 if (i == 0)
  90                                         vtuneMethod.source_file_name = strdup(sourceLoc->source_file);
  91                                 vtuneMethod.line_number_table[i].Offset = dmji->line_numbers[i].native_offset;
  92                                 vtuneMethod.line_number_table[i].LineNumber = sourceLoc->row;
  93                                 mono_debug_free_source_location (sourceLoc);
  94                         }
  95                         mono_debug_free_method_jit_info (dmji);
  96                 }
  97
  98                 iJIT_NotifyEvent(iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED, &vtuneMethod);
  99
 100                 if (vtuneMethod.source_file_name != NULL)
 101                         free(vtuneMethod.source_file_name);
 102                 if (vtuneMethod.line_number_table != NULL)
 103                         free(vtuneMethod.line_number_table);
 104
 105                 g_free (signature);
 106                 g_free (name);
 107                 g_free (classname);
 108         }
 109 }
 110
 111 /* the entry point */
 112 void
 113 mono_profiler_startup (const char *desc)
 114 {
 115         iJIT_IsProfilingActiveFlags flags = iJIT_IsProfilingActive();
 116         if (flags == iJIT_SAMPLING_ON)
 117         {
 118                 mono_profiler_install (NULL, codeanalyst_shutdown);
 119                 mono_profiler_install_jit_end (method_jit_result);
 120                 mono_profiler_set_events (MONO_PROFILE_JIT_COMPILATION);
 121         }
 122 }