Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | /* |
| 2 | This file is provided under a dual BSD/GPLv2 license. When using or |
| 3 | redistributing this file, you may do so under either license. |
| 4 | |
| 5 | GPL LICENSE SUMMARY |
| 6 | |
| 7 | Copyright(c) 2005-2012 Intel Corporation. All rights reserved. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of version 2 of the GNU General Public License as |
| 11 | published by the Free Software Foundation. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, but |
| 14 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| 21 | The full GNU General Public License is included in this distribution |
| 22 | in the file called LICENSE.GPL. |
| 23 | |
| 24 | Contact Information: |
| 25 | http://software.intel.com/en-us/articles/intel-vtune-amplifier-xe/ |
| 26 | |
| 27 | BSD LICENSE |
| 28 | |
| 29 | Copyright(c) 2005-2012 Intel Corporation. All rights reserved. |
| 30 | All rights reserved. |
| 31 | |
| 32 | Redistribution and use in source and binary forms, with or without |
| 33 | modification, are permitted provided that the following conditions |
| 34 | are met: |
| 35 | |
| 36 | * Redistributions of source code must retain the above copyright |
| 37 | notice, this list of conditions and the following disclaimer. |
| 38 | * Redistributions in binary form must reproduce the above copyright |
| 39 | notice, this list of conditions and the following disclaimer in |
| 40 | the documentation and/or other materials provided with the |
| 41 | distribution. |
| 42 | * Neither the name of Intel Corporation nor the names of its |
| 43 | contributors may be used to endorse or promote products derived |
| 44 | from this software without specific prior written permission. |
| 45 | |
| 46 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 47 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 48 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 49 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 50 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 51 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 52 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 53 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 54 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 55 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 56 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 57 | */ |
| 58 | #include <string.h> |
| 59 | |
| 60 | #ifdef WIN32 |
| 61 | #include <hash_map> |
| 62 | using namespace std; |
| 63 | #else |
| 64 | // To avoid GCC 4.4 compilation warning about hash_map being deprecated. |
| 65 | #define OLD_DEPRECATED __DEPRECATED |
| 66 | #undef __DEPRECATED |
| 67 | #if defined (ANDROID) |
| 68 | #include <hash_map> |
| 69 | using namespace std; |
| 70 | #else |
| 71 | #include <ext/hash_map> |
| 72 | using namespace __gnu_cxx; |
| 73 | #endif |
| 74 | #define __DEPRECATED OLD_DEPRECATED |
| 75 | #endif |
| 76 | |
| 77 | #include <list> |
| 78 | |
| 79 | #include "v8-vtune.h" |
| 80 | #include "vtune-jit.h" |
| 81 | |
| 82 | namespace vTune { |
| 83 | namespace internal { |
| 84 | |
| 85 | |
| 86 | // This class is used to record the JITted code position info for JIT |
| 87 | // code profiling. |
| 88 | class JITCodeLineInfo { |
| 89 | public: |
| 90 | JITCodeLineInfo() { } |
| 91 | |
| 92 | void SetPosition(intptr_t pc, int pos) { |
| 93 | AddCodeLineInfo(LineNumInfo(pc, pos)); |
| 94 | } |
| 95 | |
| 96 | struct LineNumInfo { |
| 97 | LineNumInfo(intptr_t pc, int pos) |
| 98 | : pc_(pc), pos_(pos) { } |
| 99 | |
| 100 | intptr_t pc_; |
| 101 | int pos_; |
| 102 | }; |
| 103 | |
| 104 | std::list<LineNumInfo>* GetLineNumInfo() { |
| 105 | return &line_num_info_; |
| 106 | } |
| 107 | |
| 108 | private: |
| 109 | void AddCodeLineInfo(const LineNumInfo& line_info) { |
| 110 | line_num_info_.push_back(line_info); |
| 111 | } |
| 112 | std::list<LineNumInfo> line_num_info_; |
| 113 | }; |
| 114 | |
| 115 | struct SameCodeObjects { |
| 116 | bool operator () (void* key1, void* key2) const { |
| 117 | return key1 == key2; |
| 118 | } |
| 119 | }; |
| 120 | |
| 121 | struct HashForCodeObject { |
| 122 | uint32_t operator () (void* code) const { |
| 123 | static const uintptr_t kGoldenRatio = 2654435761u; |
| 124 | uintptr_t hash = reinterpret_cast<uintptr_t>(code); |
| 125 | return static_cast<uint32_t>(hash * kGoldenRatio); |
| 126 | } |
| 127 | }; |
| 128 | |
| 129 | #ifdef WIN32 |
| 130 | typedef hash_map<void*, void*> JitInfoMap; |
| 131 | #else |
| 132 | typedef hash_map<void*, void*, HashForCodeObject, SameCodeObjects> JitInfoMap; |
| 133 | #endif |
| 134 | |
| 135 | static JitInfoMap* GetEntries() { |
| 136 | static JitInfoMap* entries; |
| 137 | if (entries == NULL) { |
| 138 | entries = new JitInfoMap(); |
| 139 | } |
| 140 | return entries; |
| 141 | } |
| 142 | |
| 143 | static bool IsLineInfoTagged(void* ptr) { |
| 144 | return 0 != (reinterpret_cast<intptr_t>(ptr)); |
| 145 | } |
| 146 | |
| 147 | static JITCodeLineInfo* UntagLineInfo(void* ptr) { |
| 148 | return reinterpret_cast<JITCodeLineInfo*>( |
| 149 | reinterpret_cast<intptr_t>(ptr)); |
| 150 | } |
| 151 | |
| 152 | // The parameter str is a mixed pattern which contains the |
| 153 | // function name and some other info. It comes from all the |
| 154 | // Logger::CodeCreateEvent(...) function. This funtion get the |
| 155 | // pure function name from the input parameter. |
| 156 | static char* GetFunctionNameFromMixedName(const char* str, int length) { |
| 157 | int index = 0; |
| 158 | int count = 0; |
| 159 | char* start_ptr = NULL; |
| 160 | |
| 161 | while (str[index++] != ':' && (index < length)) {} |
| 162 | |
| 163 | if (str[index] == '*' || str[index] == '~' ) index++; |
| 164 | if (index >= length) return NULL; |
| 165 | |
| 166 | start_ptr = const_cast<char*>(str + index); |
| 167 | |
| 168 | while (index < length && str[index++] != ' ') { |
| 169 | count++; |
| 170 | } |
| 171 | |
| 172 | char* result = new char[count + 1]; |
| 173 | memcpy(result, start_ptr, count); |
| 174 | result[count] = '\0'; |
| 175 | |
| 176 | return result; |
| 177 | } |
| 178 | |
| 179 | // The JitCodeEventHandler for Vtune. |
| 180 | void VTUNEJITInterface::event_handler(const v8::JitCodeEvent* event) { |
| 181 | if (VTUNERUNNING && event != NULL) { |
| 182 | switch (event->type) { |
| 183 | case v8::JitCodeEvent::CODE_ADDED: { |
| 184 | char* temp_file_name = NULL; |
| 185 | char* temp_method_name = |
| 186 | GetFunctionNameFromMixedName(event->name.str, |
| 187 | static_cast<int>(event->name.len)); |
| 188 | iJIT_Method_Load jmethod; |
| 189 | memset(&jmethod, 0, sizeof jmethod); |
| 190 | jmethod.method_id = iJIT_GetNewMethodID(); |
| 191 | jmethod.method_load_address = event->code_start; |
| 192 | jmethod.method_size = static_cast<unsigned int>(event->code_len); |
| 193 | jmethod.method_name = temp_method_name; |
| 194 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 195 | Local<UnboundScript> script = event->script; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 196 | |
| 197 | if (*script != NULL) { |
| 198 | // Get the source file name and set it to jmethod.source_file_name |
| 199 | if ((*script->GetScriptName())->IsString()) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 200 | Local<String> script_name = |
| 201 | Local<String>::Cast(script->GetScriptName()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 202 | temp_file_name = new char[script_name->Utf8Length() + 1]; |
| 203 | script_name->WriteUtf8(temp_file_name); |
| 204 | jmethod.source_file_name = temp_file_name; |
| 205 | } |
| 206 | |
| 207 | JitInfoMap::iterator entry = |
| 208 | GetEntries()->find(event->code_start); |
| 209 | if (entry != GetEntries()->end() && IsLineInfoTagged(entry->first)) { |
| 210 | JITCodeLineInfo* line_info = UntagLineInfo(entry->second); |
| 211 | // Get the line_num_info and set it to jmethod.line_number_table |
| 212 | std::list<JITCodeLineInfo::LineNumInfo>* vtunelineinfo = |
| 213 | line_info->GetLineNumInfo(); |
| 214 | |
| 215 | jmethod.line_number_size = (unsigned int)vtunelineinfo->size(); |
| 216 | jmethod.line_number_table = |
| 217 | reinterpret_cast<LineNumberInfo*>( |
| 218 | malloc(sizeof(LineNumberInfo)*jmethod.line_number_size)); |
| 219 | |
| 220 | std::list<JITCodeLineInfo::LineNumInfo>::iterator Iter; |
| 221 | int index = 0; |
| 222 | for (Iter = vtunelineinfo->begin(); |
| 223 | Iter != vtunelineinfo->end(); |
| 224 | Iter++) { |
| 225 | jmethod.line_number_table[index].Offset = |
| 226 | static_cast<unsigned int>(Iter->pc_); |
| 227 | jmethod.line_number_table[index++].LineNumber = |
| 228 | script->GetLineNumber(Iter->pos_) + 1; |
| 229 | } |
| 230 | GetEntries()->erase(event->code_start); |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | iJIT_NotifyEvent(iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED, |
| 235 | reinterpret_cast<void*>(&jmethod)); |
| 236 | if (temp_method_name) |
| 237 | delete []temp_method_name; |
| 238 | if (temp_file_name) |
| 239 | delete []temp_file_name; |
| 240 | break; |
| 241 | } |
| 242 | // TODO(chunyang.dai@intel.com): code_move will be supported. |
| 243 | case v8::JitCodeEvent::CODE_MOVED: |
| 244 | break; |
| 245 | // Currently the CODE_REMOVED event is not issued. |
| 246 | case v8::JitCodeEvent::CODE_REMOVED: |
| 247 | break; |
| 248 | case v8::JitCodeEvent::CODE_ADD_LINE_POS_INFO: { |
| 249 | JITCodeLineInfo* line_info = |
| 250 | reinterpret_cast<JITCodeLineInfo*>(event->user_data); |
| 251 | if (line_info != NULL) { |
| 252 | line_info->SetPosition(static_cast<intptr_t>(event->line_info.offset), |
| 253 | static_cast<int>(event->line_info.pos)); |
| 254 | } |
| 255 | break; |
| 256 | } |
| 257 | case v8::JitCodeEvent::CODE_START_LINE_INFO_RECORDING: { |
| 258 | v8::JitCodeEvent* temp_event = const_cast<v8::JitCodeEvent*>(event); |
| 259 | temp_event->user_data = new JITCodeLineInfo(); |
| 260 | break; |
| 261 | } |
| 262 | case v8::JitCodeEvent::CODE_END_LINE_INFO_RECORDING: { |
| 263 | GetEntries()->insert(std::pair <void*, void*>(event->code_start, event->user_data)); |
| 264 | break; |
| 265 | } |
| 266 | default: |
| 267 | break; |
| 268 | } |
| 269 | } |
| 270 | return; |
| 271 | } |
| 272 | |
| 273 | } // namespace internal |
| 274 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 275 | v8::JitCodeEventHandler GetVtuneCodeEventHandler() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 276 | v8::V8::SetFlagsFromString("--nocompact_code_space", |
| 277 | (int)strlen("--nocompact_code_space")); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 278 | return vTune::internal::VTUNEJITInterface::event_handler; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 279 | } |
| 280 | |
| 281 | } // namespace vTune |