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-internals.h>
  35 #include <string.h>
  36 #include <glib.h>
  37
  38 #define bool char
  39
  40 #include <jitprofiling.h>
  41
  42 static const char*
  43 code_buffer_desc (MonoProfilerCodeBufferType type)
  44 {
  45         switch (type) {
  46         case MONO_PROFILER_CODE_BUFFER_METHOD:
  47                 return "code_buffer_method";
  48         case MONO_PROFILER_CODE_BUFFER_METHOD_TRAMPOLINE:
  49                 return "code_buffer_method_trampoline";
  50         case MONO_PROFILER_CODE_BUFFER_UNBOX_TRAMPOLINE:
  51                 return "code_buffer_unbox_trampoline";
  52         case MONO_PROFILER_CODE_BUFFER_IMT_TRAMPOLINE:
  53                 return "code_buffer_imt_trampoline";
  54         case MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE:
  55                 return "code_buffer_generics_trampoline";
  56         case MONO_PROFILER_CODE_BUFFER_SPECIFIC_TRAMPOLINE:
  57                 return "code_buffer_specific_trampoline";
  58         case MONO_PROFILER_CODE_BUFFER_HELPER:
  59                 return "code_buffer_misc_helper";
  60         case MONO_PROFILER_CODE_BUFFER_MONITOR:
  61                 return "code_buffer_monitor";
  62         case MONO_PROFILER_CODE_BUFFER_DELEGATE_INVOKE:
  63                 return "code_buffer_delegate_invoke";
  64         case MONO_PROFILER_CODE_BUFFER_EXCEPTION_HANDLING:
  65                 return "code_buffer_exception_handling";
  66         default:
  67                 return "unspecified";
  68         }
  69 }
  70
  71 /* called at the end of the program */
  72 static void
  73 codeanalyst_shutdown (MonoProfiler *prof)
  74 {
  75         iJIT_NotifyEvent(iJVM_EVENT_TYPE_SHUTDOWN, NULL);
  76 }
  77
  78 static void
  79 method_jit_result (MonoProfiler *prof, MonoMethod *method, MonoJitInfo* jinfo, int result) {
  80         if (result == MONO_PROFILE_OK) {
  81                 int i;
  82                 MonoDebugSourceLocation *sourceLoc;
  83                 MonoDebugMethodJitInfo *dmji;
  84                 MonoClass *klass = mono_method_get_class (method);
  85                 char *signature = mono_signature_get_desc (mono_method_signature (method), TRUE);
  86                 char *name = g_strdup_printf ("%s(%s)", mono_method_get_name (method), signature);
  87                 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));
  88                 gpointer code_start = mono_jit_info_get_code_start (jinfo);
  89                 int code_size = mono_jit_info_get_code_size (jinfo);
  90
  91                 iJIT_Method_Load vtuneMethod;
  92                 memset(&vtuneMethod, 0, sizeof(vtuneMethod));
  93                 vtuneMethod.method_id = iJIT_GetNewMethodID();
  94                 vtuneMethod.method_name = name;
  95                 vtuneMethod.method_load_address = code_start;
  96                 vtuneMethod.method_size = code_size;
  97                 vtuneMethod.class_file_name = classname;
  98
  99                 dmji = mono_debug_find_method (method, mono_domain_get());
 100
 101                 if (dmji != NULL)
 102                 {
 103                         vtuneMethod.line_number_size = dmji->num_line_numbers;
 104                         vtuneMethod.line_number_table = (vtuneMethod.line_number_size != 0) ?
 105                                 (LineNumberInfo*)malloc(sizeof(LineNumberInfo) * vtuneMethod.line_number_size) : NULL;
 106
 107                         for (i = 0; i < dmji->num_line_numbers; ++i)
 108                         {
 109                                 sourceLoc = mono_debug_lookup_source_location (method, dmji->line_numbers[i].native_offset, mono_domain_get());
 110                                 if (sourceLoc == NULL)
 111                                 {
 112                                         g_free (vtuneMethod.line_number_table);
 113                                         vtuneMethod.line_number_table = NULL;
 114                                         vtuneMethod.line_number_size = 0;
 115                                         break;
 116                                 }
 117                                 if (i == 0)
 118                                         vtuneMethod.source_file_name = strdup(sourceLoc->source_file);
 119                                 vtuneMethod.line_number_table[i].Offset = dmji->line_numbers[i].native_offset;
 120                                 vtuneMethod.line_number_table[i].LineNumber = sourceLoc->row;
 121                                 mono_debug_free_source_location (sourceLoc);
 122                         }
 123                         mono_debug_free_method_jit_info (dmji);
 124                 }
 125
 126                 iJIT_NotifyEvent(iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED, &vtuneMethod);
 127
 128                 if (vtuneMethod.source_file_name != NULL)
 129                         g_free (vtuneMethod.source_file_name);
 130                 if (vtuneMethod.line_number_table != NULL)
 131                         g_free (vtuneMethod.line_number_table);
 132
 133                 g_free (signature);
 134                 g_free (name);
 135                 g_free (classname);
 136         }
 137 }
 138
 139 static void
 140 code_buffer_new (MonoProfiler *prof, void *buffer, int size, MonoProfilerCodeBufferType type, void *data)
 141 {
 142         char *name;
 143         iJIT_Method_Load vtuneMethod;
 144
 145         if (type == MONO_PROFILER_CODE_BUFFER_SPECIFIC_TRAMPOLINE)
 146                 name = g_strdup_printf ("code_buffer_specific_trampoline_%s", (char*) data);
 147         else
 148                 name = (char*) code_buffer_desc (type);
 149
 150         memset (&vtuneMethod, 0, sizeof (vtuneMethod));
 151         vtuneMethod.method_id = iJIT_GetNewMethodID ();
 152         vtuneMethod.method_name = name;
 153         vtuneMethod.method_load_address = buffer;
 154         vtuneMethod.method_size = size;
 155
 156         iJIT_NotifyEvent (iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED, &vtuneMethod);
 157
 158         if (type == MONO_PROFILER_CODE_BUFFER_SPECIFIC_TRAMPOLINE) {
 159                 g_free (name);
 160         }
 161 }
 162
 163 /* the entry point */
 164 void
 165 mono_profiler_startup (const char *desc)
 166 {
 167         iJIT_IsProfilingActiveFlags flags = iJIT_IsProfilingActive();
 168         if (flags == iJIT_SAMPLING_ON)
 169         {
 170                 mono_profiler_install (NULL, codeanalyst_shutdown);
 171                 mono_profiler_install_jit_end (method_jit_result);
 172                 mono_profiler_install_code_buffer_new (code_buffer_new);
 173                 mono_profiler_set_events (MONO_PROFILE_JIT_COMPILATION);
 174         }
 175 }