jkummerow@chromium.org | ab7dad4 | 2012-02-07 12:07:34 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "v8.h" |
| 29 | |
| 30 | #include "cpu-profiler-inl.h" |
| 31 | |
jkummerow@chromium.org | 4e308cf | 2013-05-17 13:39:16 +0000 | [diff] [blame] | 32 | #include "compiler.h" |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 33 | #include "frames-inl.h" |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 34 | #include "hashmap.h" |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 35 | #include "log-inl.h" |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 36 | #include "vm-state-inl.h" |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 37 | |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 38 | #include "../include/v8-profiler.h" |
| 39 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 40 | namespace v8 { |
| 41 | namespace internal { |
| 42 | |
mmassi@chromium.org | 49a4467 | 2012-12-04 13:52:03 +0000 | [diff] [blame] | 43 | static const int kTickSamplesBufferChunkSize = 64 * KB; |
| 44 | static const int kTickSamplesBufferChunksCount = 16; |
jkummerow@chromium.org | ab7dad4 | 2012-02-07 12:07:34 +0000 | [diff] [blame] | 45 | static const int kProfilerStackSize = 64 * KB; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 46 | |
| 47 | |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 48 | ProfilerEventsProcessor::ProfilerEventsProcessor( |
| 49 | ProfileGenerator* generator, CpuProfilesCollection* profiles) |
yangguo@chromium.org | 659ceec | 2012-01-26 07:37:54 +0000 | [diff] [blame] | 50 | : Thread(Thread::Options("v8:ProfEvntProc", kProfilerStackSize)), |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 51 | generator_(generator), |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 52 | profiles_(profiles), |
erik.corry@gmail.com | 145eff5 | 2010-08-23 11:36:18 +0000 | [diff] [blame] | 53 | running_(true), |
mmassi@chromium.org | 49a4467 | 2012-12-04 13:52:03 +0000 | [diff] [blame] | 54 | ticks_buffer_(sizeof(TickSampleEventRecord), |
| 55 | kTickSamplesBufferChunkSize, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 56 | kTickSamplesBufferChunksCount), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 57 | enqueue_order_(0) { |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 58 | } |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 59 | |
| 60 | |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 61 | void ProfilerEventsProcessor::CallbackCreateEvent(Logger::LogEventsAndTags tag, |
| 62 | const char* prefix, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 63 | Name* name, |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 64 | Address start) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 65 | if (FilterOutCodeCreateEvent(tag)) return; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 66 | CodeEventsContainer evt_rec; |
| 67 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 68 | rec->type = CodeEventRecord::CODE_CREATION; |
| 69 | rec->order = ++enqueue_order_; |
| 70 | rec->start = start; |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 71 | rec->entry = profiles_->NewCodeEntry(tag, prefix, name); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 72 | rec->size = 1; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 73 | rec->shared = NULL; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 74 | events_buffer_.Enqueue(evt_rec); |
| 75 | } |
| 76 | |
| 77 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 78 | void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 79 | Name* name, |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 80 | String* resource_name, |
| 81 | int line_number, |
| 82 | Address start, |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 83 | unsigned size, |
jkummerow@chromium.org | 4e308cf | 2013-05-17 13:39:16 +0000 | [diff] [blame] | 84 | Address shared, |
| 85 | CompilationInfo* info) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 86 | if (FilterOutCodeCreateEvent(tag)) return; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 87 | CodeEventsContainer evt_rec; |
| 88 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 89 | rec->type = CodeEventRecord::CODE_CREATION; |
| 90 | rec->order = ++enqueue_order_; |
| 91 | rec->start = start; |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 92 | rec->entry = profiles_->NewCodeEntry(tag, name, resource_name, line_number); |
jkummerow@chromium.org | 4e308cf | 2013-05-17 13:39:16 +0000 | [diff] [blame] | 93 | if (info) { |
| 94 | rec->entry->set_no_frame_ranges(info->ReleaseNoFrameRanges()); |
| 95 | } |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 96 | rec->size = size; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 97 | rec->shared = shared; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 98 | events_buffer_.Enqueue(evt_rec); |
| 99 | } |
| 100 | |
| 101 | |
| 102 | void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 103 | const char* name, |
| 104 | Address start, |
| 105 | unsigned size) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 106 | if (FilterOutCodeCreateEvent(tag)) return; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 107 | CodeEventsContainer evt_rec; |
| 108 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 109 | rec->type = CodeEventRecord::CODE_CREATION; |
| 110 | rec->order = ++enqueue_order_; |
| 111 | rec->start = start; |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 112 | rec->entry = profiles_->NewCodeEntry(tag, name); |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 113 | rec->size = size; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 114 | rec->shared = NULL; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 115 | events_buffer_.Enqueue(evt_rec); |
| 116 | } |
| 117 | |
| 118 | |
| 119 | void ProfilerEventsProcessor::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 120 | int args_count, |
| 121 | Address start, |
| 122 | unsigned size) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 123 | if (FilterOutCodeCreateEvent(tag)) return; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 124 | CodeEventsContainer evt_rec; |
| 125 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 126 | rec->type = CodeEventRecord::CODE_CREATION; |
| 127 | rec->order = ++enqueue_order_; |
| 128 | rec->start = start; |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 129 | rec->entry = profiles_->NewCodeEntry(tag, args_count); |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 130 | rec->size = size; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 131 | rec->shared = NULL; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 132 | events_buffer_.Enqueue(evt_rec); |
| 133 | } |
| 134 | |
| 135 | |
| 136 | void ProfilerEventsProcessor::CodeMoveEvent(Address from, Address to) { |
| 137 | CodeEventsContainer evt_rec; |
| 138 | CodeMoveEventRecord* rec = &evt_rec.CodeMoveEventRecord_; |
| 139 | rec->type = CodeEventRecord::CODE_MOVE; |
| 140 | rec->order = ++enqueue_order_; |
| 141 | rec->from = from; |
| 142 | rec->to = to; |
| 143 | events_buffer_.Enqueue(evt_rec); |
| 144 | } |
| 145 | |
| 146 | |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 147 | void ProfilerEventsProcessor::SharedFunctionInfoMoveEvent(Address from, |
| 148 | Address to) { |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 149 | CodeEventsContainer evt_rec; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 150 | SharedFunctionInfoMoveEventRecord* rec = |
| 151 | &evt_rec.SharedFunctionInfoMoveEventRecord_; |
| 152 | rec->type = CodeEventRecord::SHARED_FUNC_MOVE; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 153 | rec->order = ++enqueue_order_; |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 154 | rec->from = from; |
| 155 | rec->to = to; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 156 | events_buffer_.Enqueue(evt_rec); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 157 | } |
| 158 | |
| 159 | |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 160 | void ProfilerEventsProcessor::RegExpCodeCreateEvent( |
| 161 | Logger::LogEventsAndTags tag, |
| 162 | const char* prefix, |
| 163 | String* name, |
| 164 | Address start, |
| 165 | unsigned size) { |
| 166 | if (FilterOutCodeCreateEvent(tag)) return; |
| 167 | CodeEventsContainer evt_rec; |
| 168 | CodeCreateEventRecord* rec = &evt_rec.CodeCreateEventRecord_; |
| 169 | rec->type = CodeEventRecord::CODE_CREATION; |
| 170 | rec->order = ++enqueue_order_; |
| 171 | rec->start = start; |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 172 | rec->entry = profiles_->NewCodeEntry(tag, prefix, name); |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 173 | rec->size = size; |
| 174 | events_buffer_.Enqueue(evt_rec); |
| 175 | } |
| 176 | |
| 177 | |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 178 | void ProfilerEventsProcessor::AddCurrentStack() { |
ager@chromium.org | 04921a8 | 2011-06-27 13:21:41 +0000 | [diff] [blame] | 179 | TickSampleEventRecord record(enqueue_order_); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 180 | TickSample* sample = &record.sample; |
vegorov@chromium.org | 74f333b | 2011-04-06 11:17:46 +0000 | [diff] [blame] | 181 | Isolate* isolate = Isolate::Current(); |
| 182 | sample->state = isolate->current_vm_state(); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 183 | sample->pc = reinterpret_cast<Address>(sample); // Not NULL. |
vegorov@chromium.org | 74f333b | 2011-04-06 11:17:46 +0000 | [diff] [blame] | 184 | for (StackTraceFrameIterator it(isolate); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 185 | !it.done() && sample->frames_count < TickSample::kMaxFramesCount; |
| 186 | it.Advance()) { |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 187 | sample->stack[sample->frames_count++] = it.frame()->pc(); |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 188 | } |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 189 | ticks_from_vm_buffer_.Enqueue(record); |
| 190 | } |
| 191 | |
| 192 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 193 | bool ProfilerEventsProcessor::ProcessCodeEvent(unsigned* dequeue_order) { |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 194 | CodeEventsContainer record; |
| 195 | if (events_buffer_.Dequeue(&record)) { |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 196 | switch (record.generic.type) { |
| 197 | #define PROFILER_TYPE_CASE(type, clss) \ |
| 198 | case CodeEventRecord::type: \ |
| 199 | record.clss##_.UpdateCodeMap(generator_->code_map()); \ |
| 200 | break; |
| 201 | |
| 202 | CODE_EVENTS_TYPE_LIST(PROFILER_TYPE_CASE) |
| 203 | |
| 204 | #undef PROFILER_TYPE_CASE |
| 205 | default: return true; // Skip record. |
| 206 | } |
| 207 | *dequeue_order = record.generic.order; |
| 208 | return true; |
| 209 | } |
| 210 | return false; |
| 211 | } |
| 212 | |
| 213 | |
| 214 | bool ProfilerEventsProcessor::ProcessTicks(unsigned dequeue_order) { |
| 215 | while (true) { |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 216 | if (!ticks_from_vm_buffer_.IsEmpty() |
| 217 | && ticks_from_vm_buffer_.Peek()->order == dequeue_order) { |
| 218 | TickSampleEventRecord record; |
| 219 | ticks_from_vm_buffer_.Dequeue(&record); |
| 220 | generator_->RecordTickSample(record.sample); |
| 221 | } |
| 222 | |
mmassi@chromium.org | 49a4467 | 2012-12-04 13:52:03 +0000 | [diff] [blame] | 223 | const TickSampleEventRecord* rec = |
| 224 | TickSampleEventRecord::cast(ticks_buffer_.StartDequeue()); |
| 225 | if (rec == NULL) return !ticks_from_vm_buffer_.IsEmpty(); |
| 226 | // Make a local copy of tick sample record to ensure that it won't |
| 227 | // be modified as we are processing it. This is possible as the |
| 228 | // sampler writes w/o any sync to the queue, so if the processor |
| 229 | // will get far behind, a record may be modified right under its |
| 230 | // feet. |
| 231 | TickSampleEventRecord record = *rec; |
| 232 | if (record.order == dequeue_order) { |
kmillikin@chromium.org | 3cdd9e1 | 2010-09-06 11:39:48 +0000 | [diff] [blame] | 233 | // A paranoid check to make sure that we don't get a memory overrun |
| 234 | // in case of frames_count having a wild value. |
mmassi@chromium.org | 49a4467 | 2012-12-04 13:52:03 +0000 | [diff] [blame] | 235 | if (record.sample.frames_count < 0 |
| 236 | || record.sample.frames_count > TickSample::kMaxFramesCount) |
| 237 | record.sample.frames_count = 0; |
| 238 | generator_->RecordTickSample(record.sample); |
| 239 | ticks_buffer_.FinishDequeue(); |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 240 | } else { |
| 241 | return true; |
| 242 | } |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | |
| 247 | void ProfilerEventsProcessor::Run() { |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 248 | unsigned dequeue_order = 0; |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 249 | |
| 250 | while (running_) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 251 | // Process ticks until we have any. |
| 252 | if (ProcessTicks(dequeue_order)) { |
| 253 | // All ticks of the current dequeue_order are processed, |
| 254 | // proceed to the next code event. |
| 255 | ProcessCodeEvent(&dequeue_order); |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 256 | } |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 257 | YieldCPU(); |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 258 | } |
| 259 | |
mmassi@chromium.org | 49a4467 | 2012-12-04 13:52:03 +0000 | [diff] [blame] | 260 | // Process remaining tick events. |
| 261 | ticks_buffer_.FlushResidualRecords(); |
| 262 | // Perform processing until we have tick events, skip remaining code events. |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 263 | while (ProcessTicks(dequeue_order) && ProcessCodeEvent(&dequeue_order)) { } |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 264 | } |
| 265 | |
| 266 | |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 267 | int CpuProfiler::GetProfilesCount() { |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 268 | // The count of profiles doesn't depend on a security token. |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 269 | return profiles_->Profiles(TokenEnumerator::kNoSecurityToken)->length(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 270 | } |
| 271 | |
| 272 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 273 | CpuProfile* CpuProfiler::GetProfile(Object* security_token, int index) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 274 | const int token = token_enumerator_->GetTokenId(security_token); |
| 275 | return profiles_->Profiles(token)->at(index); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 279 | CpuProfile* CpuProfiler::FindProfile(Object* security_token, unsigned uid) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 280 | const int token = token_enumerator_->GetTokenId(security_token); |
| 281 | return profiles_->GetProfile(token, uid); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 282 | } |
| 283 | |
| 284 | |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 285 | TickSample* CpuProfiler::TickSampleEvent() { |
| 286 | if (is_profiling_) return processor_->TickSampleEvent(); |
| 287 | return NULL; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 291 | void CpuProfiler::DeleteAllProfiles() { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 292 | if (is_profiling_) StopProcessor(); |
| 293 | ResetProfiles(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | |
| 297 | void CpuProfiler::DeleteProfile(CpuProfile* profile) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 298 | profiles_->RemoveProfile(profile); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 299 | delete profile; |
| 300 | } |
| 301 | |
| 302 | |
| 303 | bool CpuProfiler::HasDetachedProfiles() { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 304 | return profiles_->HasDetachedProfiles(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 308 | void CpuProfiler::CallbackEvent(Name* name, Address entry_point) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 309 | processor_->CallbackCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 310 | Logger::CALLBACK_TAG, CodeEntry::kEmptyNamePrefix, name, entry_point); |
| 311 | } |
| 312 | |
| 313 | |
| 314 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 315 | Code* code, const char* comment) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 316 | processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 317 | tag, comment, code->address(), code->ExecutableSize()); |
| 318 | } |
| 319 | |
| 320 | |
| 321 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 322 | Code* code, Name* name) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 323 | processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 324 | tag, |
| 325 | name, |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 326 | isolate_->heap()->empty_string(), |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 327 | v8::CpuProfileNode::kNoLineNumberInfo, |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 328 | code->address(), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 329 | code->ExecutableSize(), |
jkummerow@chromium.org | 4e308cf | 2013-05-17 13:39:16 +0000 | [diff] [blame] | 330 | NULL, |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 331 | NULL); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | |
| 335 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 336 | Code* code, |
| 337 | SharedFunctionInfo* shared, |
jkummerow@chromium.org | 4e308cf | 2013-05-17 13:39:16 +0000 | [diff] [blame] | 338 | CompilationInfo* info, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 339 | Name* name) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 340 | processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 341 | tag, |
| 342 | name, |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 343 | isolate_->heap()->empty_string(), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 344 | v8::CpuProfileNode::kNoLineNumberInfo, |
| 345 | code->address(), |
| 346 | code->ExecutableSize(), |
jkummerow@chromium.org | 4e308cf | 2013-05-17 13:39:16 +0000 | [diff] [blame] | 347 | shared->address(), |
| 348 | info); |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 349 | } |
| 350 | |
| 351 | |
| 352 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 353 | Code* code, |
| 354 | SharedFunctionInfo* shared, |
jkummerow@chromium.org | 4e308cf | 2013-05-17 13:39:16 +0000 | [diff] [blame] | 355 | CompilationInfo* info, |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 356 | String* source, int line) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 357 | processor_->CodeCreateEvent( |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 358 | tag, |
| 359 | shared->DebugName(), |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 360 | source, |
| 361 | line, |
| 362 | code->address(), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 363 | code->ExecutableSize(), |
jkummerow@chromium.org | 4e308cf | 2013-05-17 13:39:16 +0000 | [diff] [blame] | 364 | shared->address(), |
| 365 | info); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | |
| 369 | void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, |
| 370 | Code* code, int args_count) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 371 | processor_->CodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 372 | tag, |
| 373 | args_count, |
| 374 | code->address(), |
| 375 | code->ExecutableSize()); |
| 376 | } |
| 377 | |
| 378 | |
| 379 | void CpuProfiler::CodeMoveEvent(Address from, Address to) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 380 | processor_->CodeMoveEvent(from, to); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | |
| 384 | void CpuProfiler::CodeDeleteEvent(Address from) { |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 385 | } |
| 386 | |
| 387 | |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 388 | void CpuProfiler::SharedFunctionInfoMoveEvent(Address from, Address to) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 389 | processor_->SharedFunctionInfoMoveEvent(from, to); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 390 | } |
| 391 | |
| 392 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 393 | void CpuProfiler::GetterCallbackEvent(Name* name, Address entry_point) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 394 | processor_->CallbackCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 395 | Logger::CALLBACK_TAG, "get ", name, entry_point); |
| 396 | } |
| 397 | |
| 398 | |
| 399 | void CpuProfiler::RegExpCodeCreateEvent(Code* code, String* source) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 400 | processor_->RegExpCodeCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 401 | Logger::REG_EXP_TAG, |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 402 | "RegExp: ", |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 403 | source, |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 404 | code->address(), |
| 405 | code->ExecutableSize()); |
| 406 | } |
| 407 | |
| 408 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 409 | void CpuProfiler::SetterCallbackEvent(Name* name, Address entry_point) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 410 | processor_->CallbackCreateEvent( |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 411 | Logger::CALLBACK_TAG, "set ", name, entry_point); |
| 412 | } |
| 413 | |
| 414 | |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 415 | CpuProfiler::CpuProfiler(Isolate* isolate) |
| 416 | : isolate_(isolate), |
| 417 | profiles_(new CpuProfilesCollection()), |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 418 | next_profile_uid_(1), |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 419 | token_enumerator_(new TokenEnumerator()), |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 420 | generator_(NULL), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 421 | processor_(NULL), |
| 422 | need_to_stop_sampler_(false), |
| 423 | is_profiling_(false) { |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 424 | } |
| 425 | |
| 426 | |
| 427 | CpuProfiler::~CpuProfiler() { |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 428 | delete token_enumerator_; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 429 | delete profiles_; |
| 430 | } |
| 431 | |
| 432 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 433 | void CpuProfiler::ResetProfiles() { |
| 434 | delete profiles_; |
| 435 | profiles_ = new CpuProfilesCollection(); |
| 436 | } |
| 437 | |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 438 | void CpuProfiler::StartProfiling(const char* title, bool record_samples) { |
| 439 | if (profiles_->StartProfiling(title, next_profile_uid_++, record_samples)) { |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 440 | StartProcessorIfNotStarted(); |
| 441 | } |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 442 | processor_->AddCurrentStack(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 443 | } |
| 444 | |
| 445 | |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 446 | void CpuProfiler::StartProfiling(String* title, bool record_samples) { |
| 447 | StartProfiling(profiles_->GetName(title), record_samples); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | |
| 451 | void CpuProfiler::StartProcessorIfNotStarted() { |
| 452 | if (processor_ == NULL) { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 453 | // Disable logging when using the new implementation. |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 454 | saved_logging_nesting_ = isolate_->logger()->logging_nesting_; |
| 455 | isolate_->logger()->logging_nesting_ = 0; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 456 | generator_ = new ProfileGenerator(profiles_); |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 457 | processor_ = new ProfilerEventsProcessor(generator_, profiles_); |
mstarzinger@chromium.org | 71fc346 | 2013-02-27 09:34:27 +0000 | [diff] [blame] | 458 | is_profiling_ = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 459 | processor_->StartSynchronously(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 460 | // Enumerate stuff we already have in the heap. |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 461 | if (isolate_->heap()->HasBeenSetUp()) { |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 462 | if (!FLAG_prof_browser_mode) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 463 | isolate_->logger()->LogCodeObjects(); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 464 | } |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 465 | isolate_->logger()->LogCompiledFunctions(); |
| 466 | isolate_->logger()->LogAccessorCallbacks(); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 467 | } |
sgjesse@chromium.org | 82dbbab | 2010-06-02 08:57:44 +0000 | [diff] [blame] | 468 | // Enable stack sampling. |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 469 | Sampler* sampler = isolate_->logger()->sampler(); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 470 | sampler->IncreaseProfilingDepth(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 471 | if (!sampler->IsActive()) { |
| 472 | sampler->Start(); |
| 473 | need_to_stop_sampler_ = true; |
| 474 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 475 | } |
| 476 | } |
| 477 | |
| 478 | |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 479 | CpuProfile* CpuProfiler::StopProfiling(const char* title) { |
| 480 | if (!is_profiling_) return NULL; |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 481 | const double actual_sampling_rate = generator_->actual_sampling_rate(); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 482 | StopProcessorIfLastProfile(title); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 483 | CpuProfile* result = |
| 484 | profiles_->StopProfiling(TokenEnumerator::kNoSecurityToken, |
| 485 | title, |
| 486 | actual_sampling_rate); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 487 | if (result != NULL) { |
| 488 | result->Print(); |
| 489 | } |
| 490 | return result; |
| 491 | } |
| 492 | |
| 493 | |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 494 | CpuProfile* CpuProfiler::StopProfiling(Object* security_token, String* title) { |
| 495 | if (!is_profiling_) return NULL; |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 496 | const double actual_sampling_rate = generator_->actual_sampling_rate(); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 497 | const char* profile_title = profiles_->GetName(title); |
| 498 | StopProcessorIfLastProfile(profile_title); |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 499 | int token = token_enumerator_->GetTokenId(security_token); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 500 | return profiles_->StopProfiling(token, profile_title, actual_sampling_rate); |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 501 | } |
| 502 | |
| 503 | |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 504 | void CpuProfiler::StopProcessorIfLastProfile(const char* title) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 505 | if (profiles_->IsLastProfile(title)) StopProcessor(); |
| 506 | } |
| 507 | |
| 508 | |
| 509 | void CpuProfiler::StopProcessor() { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 510 | Logger* logger = isolate_->logger(); |
mmassi@chromium.org | 49a4467 | 2012-12-04 13:52:03 +0000 | [diff] [blame] | 511 | Sampler* sampler = reinterpret_cast<Sampler*>(logger->ticker_); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 512 | sampler->DecreaseProfilingDepth(); |
| 513 | if (need_to_stop_sampler_) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 514 | sampler->Stop(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 515 | need_to_stop_sampler_ = false; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 516 | } |
mstarzinger@chromium.org | 71fc346 | 2013-02-27 09:34:27 +0000 | [diff] [blame] | 517 | is_profiling_ = false; |
mmassi@chromium.org | 49a4467 | 2012-12-04 13:52:03 +0000 | [diff] [blame] | 518 | processor_->Stop(); |
| 519 | processor_->Join(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 520 | delete processor_; |
| 521 | delete generator_; |
| 522 | processor_ = NULL; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 523 | generator_ = NULL; |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 524 | logger->logging_nesting_ = saved_logging_nesting_; |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 525 | } |
| 526 | |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 527 | |
whesse@chromium.org | cec079d | 2010-03-22 14:44:04 +0000 | [diff] [blame] | 528 | } } // namespace v8::internal |