ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 1 | // Copyright 2011 the V8 project authors. All rights reserved. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +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 <stdarg.h> |
| 29 | |
| 30 | #include "v8.h" |
| 31 | |
kasperl@chromium.org | f5aa837 | 2009-03-24 14:47:14 +0000 | [diff] [blame] | 32 | #include "bootstrapper.h" |
ricow@chromium.org | d236f4d | 2010-09-01 06:52:08 +0000 | [diff] [blame] | 33 | #include "code-stubs.h" |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 34 | #include "deoptimizer.h" |
ager@chromium.org | 01beca7 | 2009-11-24 14:29:16 +0000 | [diff] [blame] | 35 | #include "global-handles.h" |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 36 | #include "log.h" |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 37 | #include "macro-assembler.h" |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 38 | #include "runtime-profiler.h" |
kasperl@chromium.org | f5aa837 | 2009-03-24 14:47:14 +0000 | [diff] [blame] | 39 | #include "serialize.h" |
| 40 | #include "string-stream.h" |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 41 | #include "vm-state-inl.h" |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 42 | |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 43 | namespace v8 { |
| 44 | namespace internal { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 45 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 46 | // |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 47 | // Sliding state window. Updates counters to keep track of the last |
| 48 | // window of kBufferSize states. This is useful to track where we |
| 49 | // spent our time. |
| 50 | // |
| 51 | class SlidingStateWindow { |
| 52 | public: |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 53 | explicit SlidingStateWindow(Isolate* isolate); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 54 | ~SlidingStateWindow(); |
| 55 | void AddState(StateTag state); |
| 56 | |
| 57 | private: |
| 58 | static const int kBufferSize = 256; |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 59 | Counters* counters_; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 60 | int current_index_; |
| 61 | bool is_full_; |
| 62 | byte buffer_[kBufferSize]; |
| 63 | |
| 64 | |
| 65 | void IncrementStateCounter(StateTag state) { |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 66 | counters_->state_counters(state)->Increment(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | |
| 70 | void DecrementStateCounter(StateTag state) { |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 71 | counters_->state_counters(state)->Decrement(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 72 | } |
| 73 | }; |
| 74 | |
| 75 | |
| 76 | // |
| 77 | // The Profiler samples pc and sp values for the main thread. |
| 78 | // Each sample is appended to a circular buffer. |
| 79 | // An independent thread removes data and writes it to the log. |
| 80 | // This design minimizes the time spent in the sampler. |
| 81 | // |
| 82 | class Profiler: public Thread { |
| 83 | public: |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 84 | explicit Profiler(Isolate* isolate); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 85 | void Engage(); |
| 86 | void Disengage(); |
| 87 | |
| 88 | // Inserts collected profiling data into buffer. |
| 89 | void Insert(TickSample* sample) { |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 90 | if (paused_) |
| 91 | return; |
| 92 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 93 | if (Succ(head_) == tail_) { |
| 94 | overflow_ = true; |
| 95 | } else { |
| 96 | buffer_[head_] = *sample; |
| 97 | head_ = Succ(head_); |
| 98 | buffer_semaphore_->Signal(); // Tell we have an element. |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | // Waits for a signal and removes profiling data. |
| 103 | bool Remove(TickSample* sample) { |
| 104 | buffer_semaphore_->Wait(); // Wait for an element. |
| 105 | *sample = buffer_[tail_]; |
| 106 | bool result = overflow_; |
| 107 | tail_ = Succ(tail_); |
| 108 | overflow_ = false; |
| 109 | return result; |
| 110 | } |
| 111 | |
| 112 | void Run(); |
| 113 | |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 114 | // Pause and Resume TickSample data collection. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 115 | bool paused() const { return paused_; } |
| 116 | void pause() { paused_ = true; } |
| 117 | void resume() { paused_ = false; } |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 118 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 119 | private: |
| 120 | // Returns the next index in the cyclic buffer. |
| 121 | int Succ(int index) { return (index + 1) % kBufferSize; } |
| 122 | |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 123 | Isolate* isolate_; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 124 | // Cyclic buffer for communicating profiling samples |
| 125 | // between the signal handler and the worker thread. |
| 126 | static const int kBufferSize = 128; |
| 127 | TickSample buffer_[kBufferSize]; // Buffer storage. |
| 128 | int head_; // Index to the buffer head. |
| 129 | int tail_; // Index to the buffer tail. |
| 130 | bool overflow_; // Tell whether a buffer overflow has occurred. |
| 131 | Semaphore* buffer_semaphore_; // Sempahore used for buffer synchronization. |
| 132 | |
ager@chromium.org | 3811b43 | 2009-10-28 14:53:37 +0000 | [diff] [blame] | 133 | // Tells whether profiler is engaged, that is, processing thread is stated. |
| 134 | bool engaged_; |
| 135 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 136 | // Tells whether worker thread should continue running. |
| 137 | bool running_; |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 138 | |
| 139 | // Tells whether we are currently recording tick samples. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 140 | bool paused_; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 141 | }; |
| 142 | |
| 143 | |
| 144 | // |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 145 | // StackTracer implementation |
| 146 | // |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 147 | void StackTracer::Trace(Isolate* isolate, TickSample* sample) { |
| 148 | ASSERT(isolate->IsInitialized()); |
| 149 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 150 | // Avoid collecting traces while doing GC. |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 151 | if (sample->state == GC) return; |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 152 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 153 | const Address js_entry_sp = |
| 154 | Isolate::js_entry_sp(isolate->thread_local_top()); |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 155 | if (js_entry_sp == 0) { |
| 156 | // Not executing JS now. |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 157 | return; |
| 158 | } |
| 159 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 160 | const Address callback = isolate->external_callback(); |
| 161 | if (callback != NULL) { |
| 162 | sample->external_callback = callback; |
| 163 | sample->has_external_callback = true; |
| 164 | } else { |
| 165 | // Sample potential return address value for frameless invocation of |
| 166 | // stubs (we'll figure out later, if this value makes sense). |
| 167 | sample->tos = Memory::Address_at(sample->sp); |
| 168 | sample->has_external_callback = false; |
ager@chromium.org | 01beca7 | 2009-11-24 14:29:16 +0000 | [diff] [blame] | 169 | } |
| 170 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 171 | SafeStackTraceFrameIterator it(isolate, |
| 172 | sample->fp, sample->sp, |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 173 | sample->sp, js_entry_sp); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 174 | int i = 0; |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 175 | while (!it.done() && i < TickSample::kMaxFramesCount) { |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 176 | sample->stack[i++] = it.frame()->pc(); |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 177 | it.Advance(); |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 178 | } |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 179 | sample->frames_count = i; |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | |
| 183 | // |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 184 | // Ticker used to provide ticks to the profiler and the sliding state |
| 185 | // window. |
| 186 | // |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 187 | class Ticker: public Sampler { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 188 | public: |
vegorov@chromium.org | 74f333b | 2011-04-06 11:17:46 +0000 | [diff] [blame] | 189 | Ticker(Isolate* isolate, int interval): |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 190 | Sampler(isolate, interval), |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 191 | window_(NULL), |
| 192 | profiler_(NULL) {} |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 193 | |
| 194 | ~Ticker() { if (IsActive()) Stop(); } |
| 195 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 196 | virtual void Tick(TickSample* sample) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 197 | if (profiler_) profiler_->Insert(sample); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 198 | if (window_) window_->AddState(sample->state); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | void SetWindow(SlidingStateWindow* window) { |
| 202 | window_ = window; |
| 203 | if (!IsActive()) Start(); |
| 204 | } |
| 205 | |
| 206 | void ClearWindow() { |
| 207 | window_ = NULL; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 208 | if (!profiler_ && IsActive() && !RuntimeProfiler::IsEnabled()) Stop(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | void SetProfiler(Profiler* profiler) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 212 | ASSERT(profiler_ == NULL); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 213 | profiler_ = profiler; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 214 | IncreaseProfilingDepth(); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 215 | if (!FLAG_prof_lazy && !IsActive()) Start(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | void ClearProfiler() { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 219 | DecreaseProfilingDepth(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 220 | profiler_ = NULL; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 221 | if (!window_ && IsActive() && !RuntimeProfiler::IsEnabled()) Stop(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 222 | } |
| 223 | |
ager@chromium.org | beb2571 | 2010-11-29 08:02:25 +0000 | [diff] [blame] | 224 | protected: |
| 225 | virtual void DoSampleStack(TickSample* sample) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 226 | StackTracer::Trace(isolate(), sample); |
ager@chromium.org | beb2571 | 2010-11-29 08:02:25 +0000 | [diff] [blame] | 227 | } |
| 228 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 229 | private: |
| 230 | SlidingStateWindow* window_; |
| 231 | Profiler* profiler_; |
| 232 | }; |
| 233 | |
| 234 | |
| 235 | // |
| 236 | // SlidingStateWindow implementation. |
| 237 | // |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 238 | SlidingStateWindow::SlidingStateWindow(Isolate* isolate) |
| 239 | : counters_(isolate->counters()), current_index_(0), is_full_(false) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 240 | for (int i = 0; i < kBufferSize; i++) { |
| 241 | buffer_[i] = static_cast<byte>(OTHER); |
| 242 | } |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 243 | isolate->logger()->ticker_->SetWindow(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 244 | } |
| 245 | |
| 246 | |
| 247 | SlidingStateWindow::~SlidingStateWindow() { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 248 | LOGGER->ticker_->ClearWindow(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 249 | } |
| 250 | |
| 251 | |
| 252 | void SlidingStateWindow::AddState(StateTag state) { |
| 253 | if (is_full_) { |
| 254 | DecrementStateCounter(static_cast<StateTag>(buffer_[current_index_])); |
| 255 | } else if (current_index_ == kBufferSize - 1) { |
| 256 | is_full_ = true; |
| 257 | } |
| 258 | buffer_[current_index_] = static_cast<byte>(state); |
| 259 | IncrementStateCounter(state); |
| 260 | ASSERT(IsPowerOf2(kBufferSize)); |
| 261 | current_index_ = (current_index_ + 1) & (kBufferSize - 1); |
| 262 | } |
| 263 | |
| 264 | |
| 265 | // |
| 266 | // Profiler implementation. |
| 267 | // |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 268 | Profiler::Profiler(Isolate* isolate) |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 269 | : Thread("v8:Profiler"), |
| 270 | isolate_(isolate), |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 271 | head_(0), |
ager@chromium.org | 3811b43 | 2009-10-28 14:53:37 +0000 | [diff] [blame] | 272 | tail_(0), |
| 273 | overflow_(false), |
| 274 | buffer_semaphore_(OS::CreateSemaphore(0)), |
| 275 | engaged_(false), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 276 | running_(false), |
| 277 | paused_(false) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 278 | } |
| 279 | |
| 280 | |
| 281 | void Profiler::Engage() { |
ager@chromium.org | 3811b43 | 2009-10-28 14:53:37 +0000 | [diff] [blame] | 282 | if (engaged_) return; |
| 283 | engaged_ = true; |
| 284 | |
| 285 | // TODO(mnaganov): This is actually "Chromium" mode. Flags need to be revised. |
| 286 | // http://code.google.com/p/v8/issues/detail?id=487 |
| 287 | if (!FLAG_prof_lazy) { |
| 288 | OS::LogSharedLibraryAddresses(); |
| 289 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 290 | |
| 291 | // Start thread processing the profiler buffer. |
| 292 | running_ = true; |
| 293 | Start(); |
| 294 | |
| 295 | // Register to get ticks. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 296 | LOGGER->ticker_->SetProfiler(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 297 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 298 | LOGGER->ProfilerBeginEvent(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 299 | } |
| 300 | |
| 301 | |
| 302 | void Profiler::Disengage() { |
ager@chromium.org | 3811b43 | 2009-10-28 14:53:37 +0000 | [diff] [blame] | 303 | if (!engaged_) return; |
| 304 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 305 | // Stop receiving ticks. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 306 | LOGGER->ticker_->ClearProfiler(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 307 | |
| 308 | // Terminate the worker thread by setting running_ to false, |
| 309 | // inserting a fake element in the queue and then wait for |
| 310 | // the thread to terminate. |
| 311 | running_ = false; |
| 312 | TickSample sample; |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 313 | // Reset 'paused_' flag, otherwise semaphore may not be signalled. |
| 314 | resume(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 315 | Insert(&sample); |
| 316 | Join(); |
| 317 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 318 | LOG(ISOLATE, UncheckedStringEvent("profiler", "end")); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 319 | } |
| 320 | |
| 321 | |
| 322 | void Profiler::Run() { |
| 323 | TickSample sample; |
fschneider@chromium.org | 40b9da3 | 2010-06-28 11:29:21 +0000 | [diff] [blame] | 324 | bool overflow = Remove(&sample); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 325 | while (running_) { |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 326 | LOG(isolate_, TickEvent(&sample, overflow)); |
fschneider@chromium.org | 40b9da3 | 2010-06-28 11:29:21 +0000 | [diff] [blame] | 327 | overflow = Remove(&sample); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 328 | } |
| 329 | } |
| 330 | |
| 331 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 332 | // Low-level profiling event structures. |
| 333 | |
| 334 | struct LowLevelCodeCreateStruct { |
| 335 | static const char kTag = 'C'; |
| 336 | |
| 337 | int32_t name_size; |
| 338 | Address code_address; |
| 339 | int32_t code_size; |
| 340 | }; |
| 341 | |
| 342 | |
| 343 | struct LowLevelCodeMoveStruct { |
| 344 | static const char kTag = 'M'; |
| 345 | |
| 346 | Address from_address; |
| 347 | Address to_address; |
| 348 | }; |
| 349 | |
| 350 | |
| 351 | struct LowLevelCodeDeleteStruct { |
| 352 | static const char kTag = 'D'; |
| 353 | |
| 354 | Address address; |
| 355 | }; |
| 356 | |
| 357 | |
| 358 | struct LowLevelSnapshotPositionStruct { |
| 359 | static const char kTag = 'P'; |
| 360 | |
| 361 | Address address; |
| 362 | int32_t position; |
| 363 | }; |
| 364 | |
| 365 | |
| 366 | static const char kCodeMovingGCTag = 'G'; |
| 367 | |
| 368 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 369 | // |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 370 | // Logger class implementation. |
| 371 | // |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 372 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 373 | class Logger::NameMap { |
| 374 | public: |
| 375 | NameMap() : impl_(&PointerEquals) {} |
| 376 | |
| 377 | ~NameMap() { |
| 378 | for (HashMap::Entry* p = impl_.Start(); p != NULL; p = impl_.Next(p)) { |
| 379 | DeleteArray(static_cast<const char*>(p->value)); |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | void Insert(Address code_address, const char* name, int name_size) { |
| 384 | HashMap::Entry* entry = FindOrCreateEntry(code_address); |
| 385 | if (entry->value == NULL) { |
| 386 | entry->value = CopyName(name, name_size); |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | const char* Lookup(Address code_address) { |
| 391 | HashMap::Entry* entry = FindEntry(code_address); |
| 392 | return (entry != NULL) ? static_cast<const char*>(entry->value) : NULL; |
| 393 | } |
| 394 | |
| 395 | void Remove(Address code_address) { |
| 396 | HashMap::Entry* entry = FindEntry(code_address); |
ager@chromium.org | 04921a8 | 2011-06-27 13:21:41 +0000 | [diff] [blame] | 397 | if (entry != NULL) { |
| 398 | DeleteArray(static_cast<char*>(entry->value)); |
| 399 | RemoveEntry(entry); |
| 400 | } |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | void Move(Address from, Address to) { |
| 404 | if (from == to) return; |
| 405 | HashMap::Entry* from_entry = FindEntry(from); |
| 406 | ASSERT(from_entry != NULL); |
| 407 | void* value = from_entry->value; |
| 408 | RemoveEntry(from_entry); |
| 409 | HashMap::Entry* to_entry = FindOrCreateEntry(to); |
| 410 | ASSERT(to_entry->value == NULL); |
| 411 | to_entry->value = value; |
| 412 | } |
| 413 | |
| 414 | private: |
| 415 | static bool PointerEquals(void* lhs, void* rhs) { |
| 416 | return lhs == rhs; |
| 417 | } |
| 418 | |
| 419 | static char* CopyName(const char* name, int name_size) { |
| 420 | char* result = NewArray<char>(name_size + 1); |
| 421 | for (int i = 0; i < name_size; ++i) { |
| 422 | char c = name[i]; |
| 423 | if (c == '\0') c = ' '; |
| 424 | result[i] = c; |
| 425 | } |
| 426 | result[name_size] = '\0'; |
| 427 | return result; |
| 428 | } |
| 429 | |
| 430 | HashMap::Entry* FindOrCreateEntry(Address code_address) { |
| 431 | return impl_.Lookup(code_address, ComputePointerHash(code_address), true); |
| 432 | } |
| 433 | |
| 434 | HashMap::Entry* FindEntry(Address code_address) { |
| 435 | return impl_.Lookup(code_address, ComputePointerHash(code_address), false); |
| 436 | } |
| 437 | |
| 438 | void RemoveEntry(HashMap::Entry* entry) { |
| 439 | impl_.Remove(entry->key, entry->hash); |
| 440 | } |
| 441 | |
| 442 | HashMap impl_; |
| 443 | |
| 444 | DISALLOW_COPY_AND_ASSIGN(NameMap); |
| 445 | }; |
| 446 | |
| 447 | |
| 448 | class Logger::NameBuffer { |
| 449 | public: |
| 450 | NameBuffer() { Reset(); } |
| 451 | |
| 452 | void Reset() { |
| 453 | utf8_pos_ = 0; |
| 454 | } |
| 455 | |
| 456 | void AppendString(String* str) { |
| 457 | if (str == NULL) return; |
| 458 | if (str->HasOnlyAsciiChars()) { |
| 459 | int utf8_length = Min(str->length(), kUtf8BufferSize - utf8_pos_); |
| 460 | String::WriteToFlat(str, utf8_buffer_ + utf8_pos_, 0, utf8_length); |
| 461 | utf8_pos_ += utf8_length; |
| 462 | return; |
| 463 | } |
| 464 | int uc16_length = Min(str->length(), kUc16BufferSize); |
| 465 | String::WriteToFlat(str, uc16_buffer_, 0, uc16_length); |
| 466 | for (int i = 0; i < uc16_length && utf8_pos_ < kUtf8BufferSize; ++i) { |
| 467 | uc16 c = uc16_buffer_[i]; |
| 468 | if (c <= String::kMaxAsciiCharCodeU) { |
| 469 | utf8_buffer_[utf8_pos_++] = static_cast<char>(c); |
| 470 | } else { |
| 471 | int char_length = unibrow::Utf8::Length(c); |
| 472 | if (utf8_pos_ + char_length > kUtf8BufferSize) break; |
| 473 | unibrow::Utf8::Encode(utf8_buffer_ + utf8_pos_, c); |
| 474 | utf8_pos_ += char_length; |
| 475 | } |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | void AppendBytes(const char* bytes, int size) { |
| 480 | size = Min(size, kUtf8BufferSize - utf8_pos_); |
| 481 | memcpy(utf8_buffer_ + utf8_pos_, bytes, size); |
| 482 | utf8_pos_ += size; |
| 483 | } |
| 484 | |
| 485 | void AppendBytes(const char* bytes) { |
| 486 | AppendBytes(bytes, StrLength(bytes)); |
| 487 | } |
| 488 | |
| 489 | void AppendByte(char c) { |
| 490 | if (utf8_pos_ >= kUtf8BufferSize) return; |
| 491 | utf8_buffer_[utf8_pos_++] = c; |
| 492 | } |
| 493 | |
| 494 | void AppendInt(int n) { |
| 495 | Vector<char> buffer(utf8_buffer_ + utf8_pos_, kUtf8BufferSize - utf8_pos_); |
| 496 | int size = OS::SNPrintF(buffer, "%d", n); |
| 497 | if (size > 0 && utf8_pos_ + size <= kUtf8BufferSize) { |
| 498 | utf8_pos_ += size; |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | const char* get() { return utf8_buffer_; } |
| 503 | int size() const { return utf8_pos_; } |
| 504 | |
| 505 | private: |
| 506 | static const int kUtf8BufferSize = 512; |
| 507 | static const int kUc16BufferSize = 128; |
| 508 | |
| 509 | int utf8_pos_; |
| 510 | char utf8_buffer_[kUtf8BufferSize]; |
| 511 | uc16 uc16_buffer_[kUc16BufferSize]; |
| 512 | }; |
| 513 | |
| 514 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 515 | Logger::Logger() |
| 516 | : ticker_(NULL), |
| 517 | profiler_(NULL), |
| 518 | sliding_state_window_(NULL), |
| 519 | log_events_(NULL), |
| 520 | logging_nesting_(0), |
| 521 | cpu_profiler_nesting_(0), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 522 | log_(new Log(this)), |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 523 | name_buffer_(new NameBuffer), |
| 524 | address_to_name_map_(NULL), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 525 | is_initialized_(false), |
| 526 | last_address_(NULL), |
| 527 | prev_sp_(NULL), |
| 528 | prev_function_(NULL), |
| 529 | prev_to_(NULL), |
| 530 | prev_code_(NULL) { |
| 531 | } |
| 532 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 533 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 534 | Logger::~Logger() { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 535 | delete address_to_name_map_; |
| 536 | delete name_buffer_; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 537 | delete log_; |
| 538 | } |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 539 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 540 | |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 541 | #define DECLARE_EVENT(ignore1, name) name, |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 542 | static const char* const kLogEventsNames[Logger::NUMBER_OF_LOG_EVENTS] = { |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 543 | LOG_EVENTS_AND_TAGS_LIST(DECLARE_EVENT) |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 544 | }; |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 545 | #undef DECLARE_EVENT |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 546 | |
ager@chromium.org | 9085a01 | 2009-05-11 19:22:57 +0000 | [diff] [blame] | 547 | |
sgjesse@chromium.org | 755c5b1 | 2009-05-29 11:04:38 +0000 | [diff] [blame] | 548 | void Logger::ProfilerBeginEvent() { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 549 | if (!log_->IsEnabled()) return; |
| 550 | LogMessageBuilder msg(this); |
sgjesse@chromium.org | 755c5b1 | 2009-05-29 11:04:38 +0000 | [diff] [blame] | 551 | msg.Append("profiler,\"begin\",%d\n", kSamplingIntervalMs); |
| 552 | msg.WriteToLogFile(); |
| 553 | } |
| 554 | |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 555 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 556 | void Logger::StringEvent(const char* name, const char* value) { |
ager@chromium.org | 6f10e41 | 2009-02-13 10:11:16 +0000 | [diff] [blame] | 557 | if (FLAG_log) UncheckedStringEvent(name, value); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 558 | } |
| 559 | |
| 560 | |
ager@chromium.org | 6f10e41 | 2009-02-13 10:11:16 +0000 | [diff] [blame] | 561 | void Logger::UncheckedStringEvent(const char* name, const char* value) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 562 | if (!log_->IsEnabled()) return; |
| 563 | LogMessageBuilder msg(this); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 564 | msg.Append("%s,\"%s\"\n", name, value); |
| 565 | msg.WriteToLogFile(); |
ager@chromium.org | 6f10e41 | 2009-02-13 10:11:16 +0000 | [diff] [blame] | 566 | } |
ager@chromium.org | 6f10e41 | 2009-02-13 10:11:16 +0000 | [diff] [blame] | 567 | |
| 568 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 569 | void Logger::IntEvent(const char* name, int value) { |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 570 | if (FLAG_log) UncheckedIntEvent(name, value); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 571 | } |
| 572 | |
| 573 | |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 574 | void Logger::IntPtrTEvent(const char* name, intptr_t value) { |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 575 | if (FLAG_log) UncheckedIntPtrTEvent(name, value); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 576 | } |
| 577 | |
| 578 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 579 | void Logger::UncheckedIntEvent(const char* name, int value) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 580 | if (!log_->IsEnabled()) return; |
| 581 | LogMessageBuilder msg(this); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 582 | msg.Append("%s,%d\n", name, value); |
| 583 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 584 | } |
| 585 | |
| 586 | |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 587 | void Logger::UncheckedIntPtrTEvent(const char* name, intptr_t value) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 588 | if (!log_->IsEnabled()) return; |
| 589 | LogMessageBuilder msg(this); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 590 | msg.Append("%s,%" V8_PTR_PREFIX "d\n", name, value); |
| 591 | msg.WriteToLogFile(); |
| 592 | } |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 593 | |
| 594 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 595 | void Logger::HandleEvent(const char* name, Object** location) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 596 | if (!log_->IsEnabled() || !FLAG_log_handles) return; |
| 597 | LogMessageBuilder msg(this); |
kasperl@chromium.org | b3284ad | 2009-05-18 06:12:45 +0000 | [diff] [blame] | 598 | msg.Append("%s,0x%" V8PRIxPTR "\n", name, location); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 599 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 600 | } |
| 601 | |
| 602 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 603 | // ApiEvent is private so all the calls come from the Logger class. It is the |
ager@chromium.org | 9085a01 | 2009-05-11 19:22:57 +0000 | [diff] [blame] | 604 | // caller's responsibility to ensure that log is enabled and that |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 605 | // FLAG_log_api is true. |
| 606 | void Logger::ApiEvent(const char* format, ...) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 607 | ASSERT(log_->IsEnabled() && FLAG_log_api); |
| 608 | LogMessageBuilder msg(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 609 | va_list ap; |
| 610 | va_start(ap, format); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 611 | msg.AppendVA(format, ap); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 612 | va_end(ap); |
| 613 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 614 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 615 | |
| 616 | |
| 617 | void Logger::ApiNamedSecurityCheck(Object* key) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 618 | if (!log_->IsEnabled() || !FLAG_log_api) return; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 619 | if (key->IsString()) { |
| 620 | SmartPointer<char> str = |
| 621 | String::cast(key)->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); |
| 622 | ApiEvent("api,check-security,\"%s\"\n", *str); |
| 623 | } else if (key->IsUndefined()) { |
| 624 | ApiEvent("api,check-security,undefined\n"); |
| 625 | } else { |
| 626 | ApiEvent("api,check-security,['no-name']\n"); |
| 627 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 628 | } |
| 629 | |
| 630 | |
| 631 | void Logger::SharedLibraryEvent(const char* library_path, |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 632 | uintptr_t start, |
| 633 | uintptr_t end) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 634 | if (!log_->IsEnabled() || !FLAG_prof) return; |
| 635 | LogMessageBuilder msg(this); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 636 | msg.Append("shared-library,\"%s\",0x%08" V8PRIxPTR ",0x%08" V8PRIxPTR "\n", |
| 637 | library_path, |
| 638 | start, |
| 639 | end); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 640 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 641 | } |
| 642 | |
| 643 | |
| 644 | void Logger::SharedLibraryEvent(const wchar_t* library_path, |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 645 | uintptr_t start, |
| 646 | uintptr_t end) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 647 | if (!log_->IsEnabled() || !FLAG_prof) return; |
| 648 | LogMessageBuilder msg(this); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 649 | msg.Append("shared-library,\"%ls\",0x%08" V8PRIxPTR ",0x%08" V8PRIxPTR "\n", |
| 650 | library_path, |
| 651 | start, |
| 652 | end); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 653 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 654 | } |
| 655 | |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 656 | |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 657 | void Logger::LogRegExpSource(Handle<JSRegExp> regexp) { |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 658 | // Prints "/" + re.source + "/" + |
| 659 | // (re.global?"g":"") + (re.ignorecase?"i":"") + (re.multiline?"m":"") |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 660 | LogMessageBuilder msg(this); |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 661 | |
| 662 | Handle<Object> source = GetProperty(regexp, "source"); |
| 663 | if (!source->IsString()) { |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 664 | msg.Append("no source"); |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 665 | return; |
| 666 | } |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 667 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 668 | switch (regexp->TypeTag()) { |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 669 | case JSRegExp::ATOM: |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 670 | msg.Append('a'); |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 671 | break; |
| 672 | default: |
| 673 | break; |
kasperl@chromium.org | 41044eb | 2008-10-06 08:24:46 +0000 | [diff] [blame] | 674 | } |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 675 | msg.Append('/'); |
| 676 | msg.AppendDetailed(*Handle<String>::cast(source), false); |
| 677 | msg.Append('/'); |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 678 | |
| 679 | // global flag |
| 680 | Handle<Object> global = GetProperty(regexp, "global"); |
| 681 | if (global->IsTrue()) { |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 682 | msg.Append('g'); |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 683 | } |
| 684 | // ignorecase flag |
| 685 | Handle<Object> ignorecase = GetProperty(regexp, "ignoreCase"); |
| 686 | if (ignorecase->IsTrue()) { |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 687 | msg.Append('i'); |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 688 | } |
| 689 | // multiline flag |
| 690 | Handle<Object> multiline = GetProperty(regexp, "multiline"); |
| 691 | if (multiline->IsTrue()) { |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 692 | msg.Append('m'); |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 693 | } |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 694 | |
| 695 | msg.WriteToLogFile(); |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 696 | } |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 697 | |
| 698 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 699 | void Logger::RegExpCompileEvent(Handle<JSRegExp> regexp, bool in_cache) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 700 | if (!log_->IsEnabled() || !FLAG_log_regexp) return; |
| 701 | LogMessageBuilder msg(this); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 702 | msg.Append("regexp-compile,"); |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 703 | LogRegExpSource(regexp); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 704 | msg.Append(in_cache ? ",hit\n" : ",miss\n"); |
| 705 | msg.WriteToLogFile(); |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 706 | } |
| 707 | |
| 708 | |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 709 | void Logger::LogRuntime(Vector<const char> format, JSArray* args) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 710 | if (!log_->IsEnabled() || !FLAG_log_runtime) return; |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 711 | HandleScope scope; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 712 | LogMessageBuilder msg(this); |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 713 | for (int i = 0; i < format.length(); i++) { |
| 714 | char c = format[i]; |
| 715 | if (c == '%' && i <= format.length() - 2) { |
| 716 | i++; |
| 717 | ASSERT('0' <= format[i] && format[i] <= '9'); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 718 | MaybeObject* maybe = args->GetElement(format[i] - '0'); |
| 719 | Object* obj; |
| 720 | if (!maybe->ToObject(&obj)) { |
| 721 | msg.Append("<exception>"); |
| 722 | continue; |
| 723 | } |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 724 | i++; |
| 725 | switch (format[i]) { |
| 726 | case 's': |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 727 | msg.AppendDetailed(String::cast(obj), false); |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 728 | break; |
| 729 | case 'S': |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 730 | msg.AppendDetailed(String::cast(obj), true); |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 731 | break; |
| 732 | case 'r': |
| 733 | Logger::LogRegExpSource(Handle<JSRegExp>(JSRegExp::cast(obj))); |
| 734 | break; |
| 735 | case 'x': |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 736 | msg.Append("0x%x", Smi::cast(obj)->value()); |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 737 | break; |
| 738 | case 'i': |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 739 | msg.Append("%i", Smi::cast(obj)->value()); |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 740 | break; |
| 741 | default: |
| 742 | UNREACHABLE(); |
| 743 | } |
| 744 | } else { |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 745 | msg.Append(c); |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 746 | } |
| 747 | } |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 748 | msg.Append('\n'); |
| 749 | msg.WriteToLogFile(); |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 753 | void Logger::ApiIndexedSecurityCheck(uint32_t index) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 754 | if (!log_->IsEnabled() || !FLAG_log_api) return; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 755 | ApiEvent("api,check-security,%u\n", index); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 756 | } |
| 757 | |
| 758 | |
| 759 | void Logger::ApiNamedPropertyAccess(const char* tag, |
| 760 | JSObject* holder, |
| 761 | Object* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 762 | ASSERT(name->IsString()); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 763 | if (!log_->IsEnabled() || !FLAG_log_api) return; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 764 | String* class_name_obj = holder->class_name(); |
| 765 | SmartPointer<char> class_name = |
| 766 | class_name_obj->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); |
| 767 | SmartPointer<char> property_name = |
| 768 | String::cast(name)->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 769 | ApiEvent("api,%s,\"%s\",\"%s\"\n", tag, *class_name, *property_name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 770 | } |
| 771 | |
| 772 | void Logger::ApiIndexedPropertyAccess(const char* tag, |
| 773 | JSObject* holder, |
| 774 | uint32_t index) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 775 | if (!log_->IsEnabled() || !FLAG_log_api) return; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 776 | String* class_name_obj = holder->class_name(); |
| 777 | SmartPointer<char> class_name = |
| 778 | class_name_obj->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 779 | ApiEvent("api,%s,\"%s\",%u\n", tag, *class_name, index); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 780 | } |
| 781 | |
| 782 | void Logger::ApiObjectAccess(const char* tag, JSObject* object) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 783 | if (!log_->IsEnabled() || !FLAG_log_api) return; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 784 | String* class_name_obj = object->class_name(); |
| 785 | SmartPointer<char> class_name = |
| 786 | class_name_obj->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 787 | ApiEvent("api,%s,\"%s\"\n", tag, *class_name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 788 | } |
| 789 | |
| 790 | |
| 791 | void Logger::ApiEntryCall(const char* name) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 792 | if (!log_->IsEnabled() || !FLAG_log_api) return; |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 793 | ApiEvent("api,%s\n", name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 794 | } |
| 795 | |
| 796 | |
| 797 | void Logger::NewEvent(const char* name, void* object, size_t size) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 798 | if (!log_->IsEnabled() || !FLAG_log) return; |
| 799 | LogMessageBuilder msg(this); |
kasperl@chromium.org | b3284ad | 2009-05-18 06:12:45 +0000 | [diff] [blame] | 800 | msg.Append("new,%s,0x%" V8PRIxPTR ",%u\n", name, object, |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 801 | static_cast<unsigned int>(size)); |
| 802 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 803 | } |
| 804 | |
| 805 | |
| 806 | void Logger::DeleteEvent(const char* name, void* object) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 807 | if (!log_->IsEnabled() || !FLAG_log) return; |
| 808 | LogMessageBuilder msg(this); |
kasperl@chromium.org | b3284ad | 2009-05-18 06:12:45 +0000 | [diff] [blame] | 809 | msg.Append("delete,%s,0x%" V8PRIxPTR "\n", name, object); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 810 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 811 | } |
| 812 | |
| 813 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 814 | void Logger::NewEventStatic(const char* name, void* object, size_t size) { |
| 815 | LOGGER->NewEvent(name, object, size); |
| 816 | } |
| 817 | |
| 818 | |
| 819 | void Logger::DeleteEventStatic(const char* name, void* object) { |
| 820 | LOGGER->DeleteEvent(name, object); |
| 821 | } |
| 822 | |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 823 | void Logger::CallbackEventInternal(const char* prefix, const char* name, |
| 824 | Address entry_point) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 825 | if (!log_->IsEnabled() || !FLAG_log_code) return; |
| 826 | LogMessageBuilder msg(this); |
ager@chromium.org | 01beca7 | 2009-11-24 14:29:16 +0000 | [diff] [blame] | 827 | msg.Append("%s,%s,", |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 828 | kLogEventsNames[CODE_CREATION_EVENT], |
| 829 | kLogEventsNames[CALLBACK_TAG]); |
ager@chromium.org | 01beca7 | 2009-11-24 14:29:16 +0000 | [diff] [blame] | 830 | msg.AppendAddress(entry_point); |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 831 | msg.Append(",1,\"%s%s\"", prefix, name); |
ager@chromium.org | 01beca7 | 2009-11-24 14:29:16 +0000 | [diff] [blame] | 832 | msg.Append('\n'); |
| 833 | msg.WriteToLogFile(); |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 834 | } |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 835 | |
| 836 | |
| 837 | void Logger::CallbackEvent(String* name, Address entry_point) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 838 | if (!log_->IsEnabled() || !FLAG_log_code) return; |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 839 | SmartPointer<char> str = |
| 840 | name->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); |
| 841 | CallbackEventInternal("", *str, entry_point); |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 842 | } |
| 843 | |
| 844 | |
| 845 | void Logger::GetterCallbackEvent(String* name, Address entry_point) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 846 | if (!log_->IsEnabled() || !FLAG_log_code) return; |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 847 | SmartPointer<char> str = |
| 848 | name->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); |
| 849 | CallbackEventInternal("get ", *str, entry_point); |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 850 | } |
| 851 | |
| 852 | |
| 853 | void Logger::SetterCallbackEvent(String* name, Address entry_point) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 854 | if (!log_->IsEnabled() || !FLAG_log_code) return; |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 855 | SmartPointer<char> str = |
| 856 | name->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); |
| 857 | CallbackEventInternal("set ", *str, entry_point); |
ager@chromium.org | 01beca7 | 2009-11-24 14:29:16 +0000 | [diff] [blame] | 858 | } |
| 859 | |
| 860 | |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 861 | void Logger::CodeCreateEvent(LogEventsAndTags tag, |
| 862 | Code* code, |
| 863 | const char* comment) { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 864 | if (!log_->IsEnabled()) return; |
| 865 | if (FLAG_ll_prof || Serializer::enabled()) { |
| 866 | name_buffer_->Reset(); |
| 867 | name_buffer_->AppendBytes(kLogEventsNames[tag]); |
| 868 | name_buffer_->AppendByte(':'); |
| 869 | name_buffer_->AppendBytes(comment); |
| 870 | } |
| 871 | if (FLAG_ll_prof) { |
| 872 | LowLevelCodeCreateEvent(code, name_buffer_->get(), name_buffer_->size()); |
| 873 | } |
| 874 | if (Serializer::enabled()) { |
| 875 | RegisterSnapshotCodeName(code, name_buffer_->get(), name_buffer_->size()); |
| 876 | } |
| 877 | if (!FLAG_log_code) return; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 878 | LogMessageBuilder msg(this); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 879 | msg.Append("%s,%s,", |
| 880 | kLogEventsNames[CODE_CREATION_EVENT], |
| 881 | kLogEventsNames[tag]); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 882 | msg.AppendAddress(code->address()); |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 883 | msg.Append(",%d,\"", code->ExecutableSize()); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 884 | for (const char* p = comment; *p != '\0'; p++) { |
| 885 | if (*p == '"') { |
| 886 | msg.Append('\\'); |
| 887 | } |
| 888 | msg.Append(*p); |
| 889 | } |
| 890 | msg.Append('"'); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 891 | msg.Append('\n'); |
| 892 | msg.WriteToLogFile(); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 893 | } |
| 894 | |
| 895 | |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 896 | void Logger::CodeCreateEvent(LogEventsAndTags tag, |
| 897 | Code* code, |
| 898 | String* name) { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 899 | if (!log_->IsEnabled()) return; |
| 900 | if (FLAG_ll_prof || Serializer::enabled()) { |
| 901 | name_buffer_->Reset(); |
| 902 | name_buffer_->AppendBytes(kLogEventsNames[tag]); |
| 903 | name_buffer_->AppendByte(':'); |
| 904 | name_buffer_->AppendString(name); |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 905 | } |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 906 | if (FLAG_ll_prof) { |
| 907 | LowLevelCodeCreateEvent(code, name_buffer_->get(), name_buffer_->size()); |
| 908 | } |
| 909 | if (Serializer::enabled()) { |
| 910 | RegisterSnapshotCodeName(code, name_buffer_->get(), name_buffer_->size()); |
| 911 | } |
| 912 | if (!FLAG_log_code) return; |
| 913 | LogMessageBuilder msg(this); |
| 914 | msg.Append("%s,%s,", |
| 915 | kLogEventsNames[CODE_CREATION_EVENT], |
| 916 | kLogEventsNames[tag]); |
| 917 | msg.AppendAddress(code->address()); |
| 918 | msg.Append(",%d,\"", code->ExecutableSize()); |
| 919 | msg.AppendDetailed(name, false); |
| 920 | msg.Append('"'); |
| 921 | msg.Append('\n'); |
| 922 | msg.WriteToLogFile(); |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 923 | } |
| 924 | |
| 925 | |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 926 | // ComputeMarker must only be used when SharedFunctionInfo is known. |
| 927 | static const char* ComputeMarker(Code* code) { |
| 928 | switch (code->kind()) { |
| 929 | case Code::FUNCTION: return code->optimizable() ? "~" : ""; |
| 930 | case Code::OPTIMIZED_FUNCTION: return "*"; |
| 931 | default: return ""; |
| 932 | } |
| 933 | } |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 934 | |
| 935 | |
| 936 | void Logger::CodeCreateEvent(LogEventsAndTags tag, |
| 937 | Code* code, |
| 938 | SharedFunctionInfo* shared, |
| 939 | String* name) { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 940 | if (!log_->IsEnabled()) return; |
| 941 | if (FLAG_ll_prof || Serializer::enabled()) { |
| 942 | name_buffer_->Reset(); |
| 943 | name_buffer_->AppendBytes(kLogEventsNames[tag]); |
| 944 | name_buffer_->AppendByte(':'); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 945 | name_buffer_->AppendBytes(ComputeMarker(code)); |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 946 | name_buffer_->AppendString(name); |
| 947 | } |
| 948 | if (FLAG_ll_prof) { |
| 949 | LowLevelCodeCreateEvent(code, name_buffer_->get(), name_buffer_->size()); |
| 950 | } |
| 951 | if (Serializer::enabled()) { |
| 952 | RegisterSnapshotCodeName(code, name_buffer_->get(), name_buffer_->size()); |
| 953 | } |
| 954 | if (!FLAG_log_code) return; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 955 | if (code == Isolate::Current()->builtins()->builtin( |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 956 | Builtins::kLazyCompile)) |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 957 | return; |
| 958 | |
| 959 | LogMessageBuilder msg(this); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 960 | SmartPointer<char> str = |
| 961 | name->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 962 | msg.Append("%s,%s,", |
| 963 | kLogEventsNames[CODE_CREATION_EVENT], |
| 964 | kLogEventsNames[tag]); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 965 | msg.AppendAddress(code->address()); |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 966 | msg.Append(",%d,\"%s\",", code->ExecutableSize(), *str); |
| 967 | msg.AppendAddress(shared->address()); |
| 968 | msg.Append(",%s", ComputeMarker(code)); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 969 | msg.Append('\n'); |
| 970 | msg.WriteToLogFile(); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 971 | } |
| 972 | |
| 973 | |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 974 | // Although, it is possible to extract source and line from |
| 975 | // the SharedFunctionInfo object, we left it to caller |
| 976 | // to leave logging functions free from heap allocations. |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 977 | void Logger::CodeCreateEvent(LogEventsAndTags tag, |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 978 | Code* code, |
| 979 | SharedFunctionInfo* shared, |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 980 | String* source, int line) { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 981 | if (!log_->IsEnabled()) return; |
| 982 | if (FLAG_ll_prof || Serializer::enabled()) { |
| 983 | name_buffer_->Reset(); |
| 984 | name_buffer_->AppendBytes(kLogEventsNames[tag]); |
| 985 | name_buffer_->AppendByte(':'); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 986 | name_buffer_->AppendBytes(ComputeMarker(code)); |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 987 | name_buffer_->AppendString(shared->DebugName()); |
| 988 | name_buffer_->AppendByte(' '); |
| 989 | name_buffer_->AppendString(source); |
| 990 | name_buffer_->AppendByte(':'); |
| 991 | name_buffer_->AppendInt(line); |
| 992 | } |
| 993 | if (FLAG_ll_prof) { |
| 994 | LowLevelCodeCreateEvent(code, name_buffer_->get(), name_buffer_->size()); |
| 995 | } |
| 996 | if (Serializer::enabled()) { |
| 997 | RegisterSnapshotCodeName(code, name_buffer_->get(), name_buffer_->size()); |
| 998 | } |
| 999 | if (!FLAG_log_code) return; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1000 | LogMessageBuilder msg(this); |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 1001 | SmartPointer<char> name = |
| 1002 | shared->DebugName()->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1003 | SmartPointer<char> sourcestr = |
| 1004 | source->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1005 | msg.Append("%s,%s,", |
| 1006 | kLogEventsNames[CODE_CREATION_EVENT], |
| 1007 | kLogEventsNames[tag]); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1008 | msg.AppendAddress(code->address()); |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 1009 | msg.Append(",%d,\"%s %s:%d\",", |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1010 | code->ExecutableSize(), |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 1011 | *name, |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1012 | *sourcestr, |
| 1013 | line); |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 1014 | msg.AppendAddress(shared->address()); |
| 1015 | msg.Append(",%s", ComputeMarker(code)); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1016 | msg.Append('\n'); |
| 1017 | msg.WriteToLogFile(); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1018 | } |
| 1019 | |
| 1020 | |
| 1021 | void Logger::CodeCreateEvent(LogEventsAndTags tag, Code* code, int args_count) { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1022 | if (!log_->IsEnabled()) return; |
| 1023 | if (FLAG_ll_prof || Serializer::enabled()) { |
| 1024 | name_buffer_->Reset(); |
| 1025 | name_buffer_->AppendBytes(kLogEventsNames[tag]); |
| 1026 | name_buffer_->AppendByte(':'); |
| 1027 | name_buffer_->AppendInt(args_count); |
| 1028 | } |
| 1029 | if (FLAG_ll_prof) { |
| 1030 | LowLevelCodeCreateEvent(code, name_buffer_->get(), name_buffer_->size()); |
| 1031 | } |
| 1032 | if (Serializer::enabled()) { |
| 1033 | RegisterSnapshotCodeName(code, name_buffer_->get(), name_buffer_->size()); |
| 1034 | } |
| 1035 | if (!FLAG_log_code) return; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1036 | LogMessageBuilder msg(this); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1037 | msg.Append("%s,%s,", |
| 1038 | kLogEventsNames[CODE_CREATION_EVENT], |
| 1039 | kLogEventsNames[tag]); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1040 | msg.AppendAddress(code->address()); |
| 1041 | msg.Append(",%d,\"args_count: %d\"", code->ExecutableSize(), args_count); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1042 | msg.Append('\n'); |
| 1043 | msg.WriteToLogFile(); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1044 | } |
| 1045 | |
| 1046 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1047 | void Logger::CodeMovingGCEvent() { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1048 | if (!log_->IsEnabled() || !FLAG_ll_prof) return; |
| 1049 | LowLevelLogWriteBytes(&kCodeMovingGCTag, sizeof(kCodeMovingGCTag)); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1050 | OS::SignalCodeMovingGC(); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1051 | } |
| 1052 | |
| 1053 | |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1054 | void Logger::RegExpCodeCreateEvent(Code* code, String* source) { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1055 | if (!log_->IsEnabled()) return; |
| 1056 | if (FLAG_ll_prof || Serializer::enabled()) { |
| 1057 | name_buffer_->Reset(); |
| 1058 | name_buffer_->AppendBytes(kLogEventsNames[REG_EXP_TAG]); |
| 1059 | name_buffer_->AppendByte(':'); |
| 1060 | name_buffer_->AppendString(source); |
| 1061 | } |
| 1062 | if (FLAG_ll_prof) { |
| 1063 | LowLevelCodeCreateEvent(code, name_buffer_->get(), name_buffer_->size()); |
| 1064 | } |
| 1065 | if (Serializer::enabled()) { |
| 1066 | RegisterSnapshotCodeName(code, name_buffer_->get(), name_buffer_->size()); |
| 1067 | } |
| 1068 | if (!FLAG_log_code) return; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1069 | LogMessageBuilder msg(this); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1070 | msg.Append("%s,%s,", |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1071 | kLogEventsNames[CODE_CREATION_EVENT], |
| 1072 | kLogEventsNames[REG_EXP_TAG]); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1073 | msg.AppendAddress(code->address()); |
| 1074 | msg.Append(",%d,\"", code->ExecutableSize()); |
| 1075 | msg.AppendDetailed(source, false); |
| 1076 | msg.Append('\"'); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1077 | msg.Append('\n'); |
| 1078 | msg.WriteToLogFile(); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1079 | } |
| 1080 | |
| 1081 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1082 | void Logger::CodeMoveEvent(Address from, Address to) { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1083 | if (!log_->IsEnabled()) return; |
| 1084 | if (FLAG_ll_prof) LowLevelCodeMoveEvent(from, to); |
| 1085 | if (Serializer::enabled() && address_to_name_map_ != NULL) { |
| 1086 | address_to_name_map_->Move(from, to); |
| 1087 | } |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1088 | MoveEventInternal(CODE_MOVE_EVENT, from, to); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1089 | } |
| 1090 | |
| 1091 | |
| 1092 | void Logger::CodeDeleteEvent(Address from) { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1093 | if (!log_->IsEnabled()) return; |
| 1094 | if (FLAG_ll_prof) LowLevelCodeDeleteEvent(from); |
| 1095 | if (Serializer::enabled() && address_to_name_map_ != NULL) { |
| 1096 | address_to_name_map_->Remove(from); |
| 1097 | } |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1098 | DeleteEventInternal(CODE_DELETE_EVENT, from); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1099 | } |
| 1100 | |
| 1101 | |
| 1102 | void Logger::SnapshotPositionEvent(Address addr, int pos) { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1103 | if (!log_->IsEnabled()) return; |
| 1104 | if (FLAG_ll_prof) LowLevelSnapshotPositionEvent(addr, pos); |
| 1105 | if (Serializer::enabled() && address_to_name_map_ != NULL) { |
| 1106 | const char* code_name = address_to_name_map_->Lookup(addr); |
| 1107 | if (code_name == NULL) return; // Not a code object. |
| 1108 | LogMessageBuilder msg(this); |
| 1109 | msg.Append("%s,%d,\"", kLogEventsNames[SNAPSHOT_CODE_NAME_EVENT], pos); |
| 1110 | for (const char* p = code_name; *p != '\0'; ++p) { |
| 1111 | if (*p == '"') msg.Append('\\'); |
| 1112 | msg.Append(*p); |
| 1113 | } |
| 1114 | msg.Append("\"\n"); |
| 1115 | msg.WriteToLogFile(); |
| 1116 | } |
| 1117 | if (!FLAG_log_snapshot_positions) return; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1118 | LogMessageBuilder msg(this); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1119 | msg.Append("%s,", kLogEventsNames[SNAPSHOT_POSITION_EVENT]); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1120 | msg.AppendAddress(addr); |
| 1121 | msg.Append(",%d", pos); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1122 | msg.Append('\n'); |
| 1123 | msg.WriteToLogFile(); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1124 | } |
| 1125 | |
| 1126 | |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 1127 | void Logger::SharedFunctionInfoMoveEvent(Address from, Address to) { |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 1128 | MoveEventInternal(SHARED_FUNC_MOVE_EVENT, from, to); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1129 | } |
| 1130 | |
| 1131 | |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1132 | void Logger::MoveEventInternal(LogEventsAndTags event, |
| 1133 | Address from, |
| 1134 | Address to) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1135 | if (!log_->IsEnabled() || !FLAG_log_code) return; |
| 1136 | LogMessageBuilder msg(this); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1137 | msg.Append("%s,", kLogEventsNames[event]); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 1138 | msg.AppendAddress(from); |
| 1139 | msg.Append(','); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1140 | msg.AppendAddress(to); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 1141 | msg.Append('\n'); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1142 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1143 | } |
| 1144 | |
| 1145 | |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1146 | void Logger::DeleteEventInternal(LogEventsAndTags event, Address from) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1147 | if (!log_->IsEnabled() || !FLAG_log_code) return; |
| 1148 | LogMessageBuilder msg(this); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1149 | msg.Append("%s,", kLogEventsNames[event]); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 1150 | msg.AppendAddress(from); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 1151 | msg.Append('\n'); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1152 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1153 | } |
| 1154 | |
| 1155 | |
| 1156 | void Logger::ResourceEvent(const char* name, const char* tag) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1157 | if (!log_->IsEnabled() || !FLAG_log) return; |
| 1158 | LogMessageBuilder msg(this); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1159 | msg.Append("%s,%s,", name, tag); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1160 | |
| 1161 | uint32_t sec, usec; |
| 1162 | if (OS::GetUserTime(&sec, &usec) != -1) { |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1163 | msg.Append("%d,%d,", sec, usec); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1164 | } |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1165 | msg.Append("%.0f", OS::TimeCurrentMillis()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1166 | |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1167 | msg.Append('\n'); |
| 1168 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1169 | } |
| 1170 | |
| 1171 | |
ager@chromium.org | 8bb6058 | 2008-12-11 12:02:20 +0000 | [diff] [blame] | 1172 | void Logger::SuspectReadEvent(String* name, Object* obj) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1173 | if (!log_->IsEnabled() || !FLAG_log_suspect) return; |
| 1174 | LogMessageBuilder msg(this); |
ager@chromium.org | 8bb6058 | 2008-12-11 12:02:20 +0000 | [diff] [blame] | 1175 | String* class_name = obj->IsJSObject() |
| 1176 | ? JSObject::cast(obj)->class_name() |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1177 | : HEAP->empty_string(); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1178 | msg.Append("suspect-read,"); |
| 1179 | msg.Append(class_name); |
| 1180 | msg.Append(','); |
| 1181 | msg.Append('"'); |
| 1182 | msg.Append(name); |
| 1183 | msg.Append('"'); |
| 1184 | msg.Append('\n'); |
| 1185 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1186 | } |
| 1187 | |
| 1188 | |
| 1189 | void Logger::HeapSampleBeginEvent(const char* space, const char* kind) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1190 | if (!log_->IsEnabled() || !FLAG_log_gc) return; |
| 1191 | LogMessageBuilder msg(this); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 1192 | // Using non-relative system time in order to be able to synchronize with |
| 1193 | // external memory profiling events (e.g. DOM memory size). |
| 1194 | msg.Append("heap-sample-begin,\"%s\",\"%s\",%.0f\n", |
| 1195 | space, kind, OS::TimeCurrentMillis()); |
| 1196 | msg.WriteToLogFile(); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 1197 | } |
| 1198 | |
| 1199 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1200 | void Logger::HeapSampleEndEvent(const char* space, const char* kind) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1201 | if (!log_->IsEnabled() || !FLAG_log_gc) return; |
| 1202 | LogMessageBuilder msg(this); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1203 | msg.Append("heap-sample-end,\"%s\",\"%s\"\n", space, kind); |
| 1204 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1205 | } |
| 1206 | |
| 1207 | |
| 1208 | void Logger::HeapSampleItemEvent(const char* type, int number, int bytes) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1209 | if (!log_->IsEnabled() || !FLAG_log_gc) return; |
| 1210 | LogMessageBuilder msg(this); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1211 | msg.Append("heap-sample-item,%s,%d,%d\n", type, number, bytes); |
| 1212 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1213 | } |
| 1214 | |
| 1215 | |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 1216 | void Logger::DebugTag(const char* call_site_tag) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1217 | if (!log_->IsEnabled() || !FLAG_log) return; |
| 1218 | LogMessageBuilder msg(this); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1219 | msg.Append("debug-tag,%s\n", call_site_tag); |
| 1220 | msg.WriteToLogFile(); |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 1221 | } |
| 1222 | |
| 1223 | |
| 1224 | void Logger::DebugEvent(const char* event_type, Vector<uint16_t> parameter) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1225 | if (!log_->IsEnabled() || !FLAG_log) return; |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 1226 | StringBuilder s(parameter.length() + 1); |
| 1227 | for (int i = 0; i < parameter.length(); ++i) { |
| 1228 | s.AddCharacter(static_cast<char>(parameter[i])); |
| 1229 | } |
| 1230 | char* parameter_string = s.Finalize(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1231 | LogMessageBuilder msg(this); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1232 | msg.Append("debug-queue-event,%s,%15.3f,%s\n", |
| 1233 | event_type, |
| 1234 | OS::TimeCurrentMillis(), |
| 1235 | parameter_string); |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 1236 | DeleteArray(parameter_string); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1237 | msg.WriteToLogFile(); |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 1238 | } |
| 1239 | |
| 1240 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1241 | void Logger::TickEvent(TickSample* sample, bool overflow) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1242 | if (!log_->IsEnabled() || !FLAG_prof) return; |
| 1243 | LogMessageBuilder msg(this); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1244 | msg.Append("%s,", kLogEventsNames[TICK_EVENT]); |
| 1245 | msg.AppendAddress(sample->pc); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 1246 | msg.Append(','); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1247 | msg.AppendAddress(sample->sp); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1248 | if (sample->has_external_callback) { |
| 1249 | msg.Append(",1,"); |
| 1250 | msg.AppendAddress(sample->external_callback); |
| 1251 | } else { |
| 1252 | msg.Append(",0,"); |
| 1253 | msg.AppendAddress(sample->tos); |
| 1254 | } |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 1255 | msg.Append(",%d", static_cast<int>(sample->state)); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1256 | if (overflow) { |
| 1257 | msg.Append(",overflow"); |
| 1258 | } |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1259 | for (int i = 0; i < sample->frames_count; ++i) { |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 1260 | msg.Append(','); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1261 | msg.AppendAddress(sample->stack[i]); |
ager@chromium.org | 381abbb | 2009-02-25 13:23:22 +0000 | [diff] [blame] | 1262 | } |
| 1263 | msg.Append('\n'); |
| 1264 | msg.WriteToLogFile(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1265 | } |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 1266 | |
| 1267 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1268 | bool Logger::IsProfilerPaused() { |
| 1269 | return profiler_ == NULL || profiler_->paused(); |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 1270 | } |
| 1271 | |
| 1272 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1273 | void Logger::PauseProfiler() { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1274 | if (!log_->IsEnabled()) return; |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1275 | if (profiler_ != NULL) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1276 | // It is OK to have negative nesting. |
| 1277 | if (--cpu_profiler_nesting_ == 0) { |
| 1278 | profiler_->pause(); |
| 1279 | if (FLAG_prof_lazy) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1280 | if (!FLAG_sliding_state_window && !RuntimeProfiler::IsEnabled()) { |
| 1281 | ticker_->Stop(); |
| 1282 | } |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1283 | FLAG_log_code = false; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1284 | LOG(ISOLATE, UncheckedStringEvent("profiler", "pause")); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1285 | } |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1286 | --logging_nesting_; |
sgjesse@chromium.org | b9d7da1 | 2009-08-05 08:38:10 +0000 | [diff] [blame] | 1287 | } |
sgjesse@chromium.org | 755c5b1 | 2009-05-29 11:04:38 +0000 | [diff] [blame] | 1288 | } |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 1289 | } |
| 1290 | |
| 1291 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1292 | void Logger::ResumeProfiler() { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1293 | if (!log_->IsEnabled()) return; |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1294 | if (profiler_ != NULL) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1295 | if (cpu_profiler_nesting_++ == 0) { |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1296 | ++logging_nesting_; |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1297 | if (FLAG_prof_lazy) { |
| 1298 | profiler_->Engage(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1299 | LOG(ISOLATE, UncheckedStringEvent("profiler", "resume")); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1300 | FLAG_log_code = true; |
| 1301 | LogCompiledFunctions(); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1302 | LogAccessorCallbacks(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1303 | if (!FLAG_sliding_state_window && !ticker_->IsActive()) { |
| 1304 | ticker_->Start(); |
| 1305 | } |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1306 | } |
| 1307 | profiler_->resume(); |
sgjesse@chromium.org | b9d7da1 | 2009-08-05 08:38:10 +0000 | [diff] [blame] | 1308 | } |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1309 | } |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 1310 | } |
ager@chromium.org | 9085a01 | 2009-05-11 19:22:57 +0000 | [diff] [blame] | 1311 | |
| 1312 | |
sgjesse@chromium.org | 755c5b1 | 2009-05-29 11:04:38 +0000 | [diff] [blame] | 1313 | // This function can be called when Log's mutex is acquired, |
| 1314 | // either from main or Profiler's thread. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1315 | void Logger::LogFailure() { |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1316 | PauseProfiler(); |
sgjesse@chromium.org | 755c5b1 | 2009-05-29 11:04:38 +0000 | [diff] [blame] | 1317 | } |
| 1318 | |
| 1319 | |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1320 | bool Logger::IsProfilerSamplerActive() { |
| 1321 | return ticker_->IsActive(); |
| 1322 | } |
| 1323 | |
| 1324 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1325 | class EnumerateOptimizedFunctionsVisitor: public OptimizedFunctionVisitor { |
| 1326 | public: |
| 1327 | EnumerateOptimizedFunctionsVisitor(Handle<SharedFunctionInfo>* sfis, |
| 1328 | Handle<Code>* code_objects, |
| 1329 | int* count) |
| 1330 | : sfis_(sfis), code_objects_(code_objects), count_(count) { } |
| 1331 | |
| 1332 | virtual void EnterContext(Context* context) {} |
| 1333 | virtual void LeaveContext(Context* context) {} |
| 1334 | |
| 1335 | virtual void VisitFunction(JSFunction* function) { |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1336 | SharedFunctionInfo* sfi = SharedFunctionInfo::cast(function->shared()); |
| 1337 | Object* maybe_script = sfi->script(); |
| 1338 | if (maybe_script->IsScript() |
| 1339 | && !Script::cast(maybe_script)->HasValidSource()) return; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1340 | if (sfis_ != NULL) { |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1341 | sfis_[*count_] = Handle<SharedFunctionInfo>(sfi); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1342 | } |
| 1343 | if (code_objects_ != NULL) { |
| 1344 | ASSERT(function->code()->kind() == Code::OPTIMIZED_FUNCTION); |
| 1345 | code_objects_[*count_] = Handle<Code>(function->code()); |
| 1346 | } |
| 1347 | *count_ = *count_ + 1; |
| 1348 | } |
| 1349 | |
| 1350 | private: |
| 1351 | Handle<SharedFunctionInfo>* sfis_; |
| 1352 | Handle<Code>* code_objects_; |
| 1353 | int* count_; |
| 1354 | }; |
| 1355 | |
| 1356 | |
| 1357 | static int EnumerateCompiledFunctions(Handle<SharedFunctionInfo>* sfis, |
| 1358 | Handle<Code>* code_objects) { |
sgjesse@chromium.org | 152a0b0 | 2009-10-07 13:50:16 +0000 | [diff] [blame] | 1359 | AssertNoAllocation no_alloc; |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1360 | int compiled_funcs_count = 0; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1361 | |
| 1362 | // Iterate the heap to find shared function info objects and record |
| 1363 | // the unoptimized code for them. |
sgjesse@chromium.org | 152a0b0 | 2009-10-07 13:50:16 +0000 | [diff] [blame] | 1364 | HeapIterator iterator; |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1365 | for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) { |
sgjesse@chromium.org | 152a0b0 | 2009-10-07 13:50:16 +0000 | [diff] [blame] | 1366 | if (!obj->IsSharedFunctionInfo()) continue; |
| 1367 | SharedFunctionInfo* sfi = SharedFunctionInfo::cast(obj); |
| 1368 | if (sfi->is_compiled() |
| 1369 | && (!sfi->script()->IsScript() |
| 1370 | || Script::cast(sfi->script())->HasValidSource())) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1371 | if (sfis != NULL) { |
sgjesse@chromium.org | 152a0b0 | 2009-10-07 13:50:16 +0000 | [diff] [blame] | 1372 | sfis[compiled_funcs_count] = Handle<SharedFunctionInfo>(sfi); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1373 | } |
| 1374 | if (code_objects != NULL) { |
| 1375 | code_objects[compiled_funcs_count] = Handle<Code>(sfi->code()); |
| 1376 | } |
sgjesse@chromium.org | 152a0b0 | 2009-10-07 13:50:16 +0000 | [diff] [blame] | 1377 | ++compiled_funcs_count; |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1378 | } |
| 1379 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1380 | |
| 1381 | // Iterate all optimized functions in all contexts. |
| 1382 | EnumerateOptimizedFunctionsVisitor visitor(sfis, |
| 1383 | code_objects, |
| 1384 | &compiled_funcs_count); |
| 1385 | Deoptimizer::VisitAllOptimizedFunctions(&visitor); |
| 1386 | |
sgjesse@chromium.org | 152a0b0 | 2009-10-07 13:50:16 +0000 | [diff] [blame] | 1387 | return compiled_funcs_count; |
| 1388 | } |
| 1389 | |
| 1390 | |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1391 | void Logger::LogCodeObject(Object* object) { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1392 | if (FLAG_log_code || FLAG_ll_prof) { |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1393 | Code* code_object = Code::cast(object); |
| 1394 | LogEventsAndTags tag = Logger::STUB_TAG; |
| 1395 | const char* description = "Unknown code from the snapshot"; |
| 1396 | switch (code_object->kind()) { |
| 1397 | case Code::FUNCTION: |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1398 | case Code::OPTIMIZED_FUNCTION: |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1399 | return; // We log this later using LogCompiledFunctions. |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1400 | case Code::UNARY_OP_IC: // fall through |
| 1401 | case Code::BINARY_OP_IC: // fall through |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1402 | case Code::COMPARE_IC: // fall through |
ricow@chromium.org | 9fa0967 | 2011-07-25 11:05:35 +0000 | [diff] [blame] | 1403 | case Code::TO_BOOLEAN_IC: // fall through |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1404 | case Code::STUB: |
ricow@chromium.org | d236f4d | 2010-09-01 06:52:08 +0000 | [diff] [blame] | 1405 | description = |
| 1406 | CodeStub::MajorName(CodeStub::GetMajorKey(code_object), true); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1407 | if (description == NULL) |
| 1408 | description = "A stub from the snapshot"; |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1409 | tag = Logger::STUB_TAG; |
| 1410 | break; |
| 1411 | case Code::BUILTIN: |
| 1412 | description = "A builtin from the snapshot"; |
| 1413 | tag = Logger::BUILTIN_TAG; |
| 1414 | break; |
| 1415 | case Code::KEYED_LOAD_IC: |
| 1416 | description = "A keyed load IC from the snapshot"; |
| 1417 | tag = Logger::KEYED_LOAD_IC_TAG; |
| 1418 | break; |
| 1419 | case Code::LOAD_IC: |
| 1420 | description = "A load IC from the snapshot"; |
| 1421 | tag = Logger::LOAD_IC_TAG; |
| 1422 | break; |
| 1423 | case Code::STORE_IC: |
| 1424 | description = "A store IC from the snapshot"; |
| 1425 | tag = Logger::STORE_IC_TAG; |
| 1426 | break; |
| 1427 | case Code::KEYED_STORE_IC: |
| 1428 | description = "A keyed store IC from the snapshot"; |
| 1429 | tag = Logger::KEYED_STORE_IC_TAG; |
| 1430 | break; |
| 1431 | case Code::CALL_IC: |
| 1432 | description = "A call IC from the snapshot"; |
| 1433 | tag = Logger::CALL_IC_TAG; |
| 1434 | break; |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1435 | case Code::KEYED_CALL_IC: |
| 1436 | description = "A keyed call IC from the snapshot"; |
| 1437 | tag = Logger::KEYED_CALL_IC_TAG; |
| 1438 | break; |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1439 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1440 | PROFILE(ISOLATE, CodeCreateEvent(tag, code_object, description)); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1441 | } |
| 1442 | } |
| 1443 | |
| 1444 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1445 | void Logger::LogCodeInfo() { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1446 | if (!log_->IsEnabled() || !FLAG_ll_prof) return; |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1447 | #if V8_TARGET_ARCH_IA32 |
| 1448 | const char arch[] = "ia32"; |
| 1449 | #elif V8_TARGET_ARCH_X64 |
| 1450 | const char arch[] = "x64"; |
| 1451 | #elif V8_TARGET_ARCH_ARM |
| 1452 | const char arch[] = "arm"; |
| 1453 | #else |
| 1454 | const char arch[] = "unknown"; |
| 1455 | #endif |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1456 | LowLevelLogWriteBytes(arch, sizeof(arch)); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1457 | } |
| 1458 | |
| 1459 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1460 | void Logger::RegisterSnapshotCodeName(Code* code, |
| 1461 | const char* name, |
| 1462 | int name_size) { |
| 1463 | ASSERT(Serializer::enabled()); |
| 1464 | if (address_to_name_map_ == NULL) { |
| 1465 | address_to_name_map_ = new NameMap; |
| 1466 | } |
| 1467 | address_to_name_map_->Insert(code->address(), name, name_size); |
| 1468 | } |
| 1469 | |
| 1470 | |
| 1471 | void Logger::LowLevelCodeCreateEvent(Code* code, |
| 1472 | const char* name, |
| 1473 | int name_size) { |
| 1474 | if (log_->ll_output_handle_ == NULL) return; |
| 1475 | LowLevelCodeCreateStruct event; |
| 1476 | event.name_size = name_size; |
| 1477 | event.code_address = code->instruction_start(); |
| 1478 | ASSERT(event.code_address == code->address() + Code::kHeaderSize); |
| 1479 | event.code_size = code->instruction_size(); |
| 1480 | LowLevelLogWriteStruct(event); |
| 1481 | LowLevelLogWriteBytes(name, name_size); |
| 1482 | LowLevelLogWriteBytes( |
| 1483 | reinterpret_cast<const char*>(code->instruction_start()), |
| 1484 | code->instruction_size()); |
| 1485 | } |
| 1486 | |
| 1487 | |
| 1488 | void Logger::LowLevelCodeMoveEvent(Address from, Address to) { |
| 1489 | if (log_->ll_output_handle_ == NULL) return; |
| 1490 | LowLevelCodeMoveStruct event; |
| 1491 | event.from_address = from + Code::kHeaderSize; |
| 1492 | event.to_address = to + Code::kHeaderSize; |
| 1493 | LowLevelLogWriteStruct(event); |
| 1494 | } |
| 1495 | |
| 1496 | |
| 1497 | void Logger::LowLevelCodeDeleteEvent(Address from) { |
| 1498 | if (log_->ll_output_handle_ == NULL) return; |
| 1499 | LowLevelCodeDeleteStruct event; |
| 1500 | event.address = from + Code::kHeaderSize; |
| 1501 | LowLevelLogWriteStruct(event); |
| 1502 | } |
| 1503 | |
| 1504 | |
| 1505 | void Logger::LowLevelSnapshotPositionEvent(Address addr, int pos) { |
| 1506 | if (log_->ll_output_handle_ == NULL) return; |
| 1507 | LowLevelSnapshotPositionStruct event; |
| 1508 | event.address = addr + Code::kHeaderSize; |
| 1509 | event.position = pos; |
| 1510 | LowLevelLogWriteStruct(event); |
| 1511 | } |
| 1512 | |
| 1513 | |
| 1514 | void Logger::LowLevelLogWriteBytes(const char* bytes, int size) { |
| 1515 | size_t rv = fwrite(bytes, 1, size, log_->ll_output_handle_); |
| 1516 | ASSERT(static_cast<size_t>(size) == rv); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1517 | USE(rv); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1518 | } |
| 1519 | |
| 1520 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1521 | void Logger::LogCodeObjects() { |
| 1522 | AssertNoAllocation no_alloc; |
| 1523 | HeapIterator iterator; |
| 1524 | for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) { |
| 1525 | if (obj->IsCode()) LogCodeObject(obj); |
| 1526 | } |
| 1527 | } |
| 1528 | |
| 1529 | |
sgjesse@chromium.org | 152a0b0 | 2009-10-07 13:50:16 +0000 | [diff] [blame] | 1530 | void Logger::LogCompiledFunctions() { |
| 1531 | HandleScope scope; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1532 | const int compiled_funcs_count = EnumerateCompiledFunctions(NULL, NULL); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 1533 | ScopedVector< Handle<SharedFunctionInfo> > sfis(compiled_funcs_count); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1534 | ScopedVector< Handle<Code> > code_objects(compiled_funcs_count); |
| 1535 | EnumerateCompiledFunctions(sfis.start(), code_objects.start()); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1536 | |
| 1537 | // During iteration, there can be heap allocation due to |
| 1538 | // GetScriptLineNumber call. |
| 1539 | for (int i = 0; i < compiled_funcs_count; ++i) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1540 | if (*code_objects[i] == Isolate::Current()->builtins()->builtin( |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1541 | Builtins::kLazyCompile)) |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1542 | continue; |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1543 | Handle<SharedFunctionInfo> shared = sfis[i]; |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 1544 | Handle<String> func_name(shared->DebugName()); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1545 | if (shared->script()->IsScript()) { |
| 1546 | Handle<Script> script(Script::cast(shared->script())); |
| 1547 | if (script->name()->IsString()) { |
| 1548 | Handle<String> script_name(String::cast(script->name())); |
| 1549 | int line_num = GetScriptLineNumber(script, shared->start_position()); |
| 1550 | if (line_num > 0) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1551 | PROFILE(ISOLATE, |
| 1552 | CodeCreateEvent( |
| 1553 | Logger::ToNativeByScript(Logger::LAZY_COMPILE_TAG, *script), |
| 1554 | *code_objects[i], *shared, |
| 1555 | *script_name, line_num + 1)); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1556 | } else { |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 1557 | // Can't distinguish eval and script here, so always use Script. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1558 | PROFILE(ISOLATE, |
| 1559 | CodeCreateEvent( |
| 1560 | Logger::ToNativeByScript(Logger::SCRIPT_TAG, *script), |
| 1561 | *code_objects[i], *shared, *script_name)); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1562 | } |
ager@chromium.org | 01beca7 | 2009-11-24 14:29:16 +0000 | [diff] [blame] | 1563 | } else { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1564 | PROFILE(ISOLATE, |
| 1565 | CodeCreateEvent( |
| 1566 | Logger::ToNativeByScript(Logger::LAZY_COMPILE_TAG, *script), |
| 1567 | *code_objects[i], *shared, *func_name)); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1568 | } |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1569 | } else if (shared->IsApiFunction()) { |
ager@chromium.org | 01beca7 | 2009-11-24 14:29:16 +0000 | [diff] [blame] | 1570 | // API function. |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1571 | FunctionTemplateInfo* fun_data = shared->get_api_func_data(); |
ager@chromium.org | 01beca7 | 2009-11-24 14:29:16 +0000 | [diff] [blame] | 1572 | Object* raw_call_data = fun_data->call_code(); |
| 1573 | if (!raw_call_data->IsUndefined()) { |
| 1574 | CallHandlerInfo* call_data = CallHandlerInfo::cast(raw_call_data); |
| 1575 | Object* callback_obj = call_data->callback(); |
| 1576 | Address entry_point = v8::ToCData<Address>(callback_obj); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1577 | PROFILE(ISOLATE, CallbackEvent(*func_name, entry_point)); |
ager@chromium.org | 01beca7 | 2009-11-24 14:29:16 +0000 | [diff] [blame] | 1578 | } |
| 1579 | } else { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1580 | PROFILE(ISOLATE, |
| 1581 | CodeCreateEvent( |
| 1582 | Logger::LAZY_COMPILE_TAG, *code_objects[i], |
| 1583 | *shared, *func_name)); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1584 | } |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1585 | } |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1586 | } |
| 1587 | |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 1588 | |
| 1589 | void Logger::LogAccessorCallbacks() { |
| 1590 | AssertNoAllocation no_alloc; |
| 1591 | HeapIterator iterator; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1592 | i::Isolate* isolate = ISOLATE; |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1593 | for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) { |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 1594 | if (!obj->IsAccessorInfo()) continue; |
| 1595 | AccessorInfo* ai = AccessorInfo::cast(obj); |
| 1596 | if (!ai->name()->IsString()) continue; |
| 1597 | String* name = String::cast(ai->name()); |
| 1598 | Address getter_entry = v8::ToCData<Address>(ai->getter()); |
| 1599 | if (getter_entry != 0) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1600 | PROFILE(isolate, GetterCallbackEvent(name, getter_entry)); |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 1601 | } |
| 1602 | Address setter_entry = v8::ToCData<Address>(ai->setter()); |
| 1603 | if (setter_entry != 0) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1604 | PROFILE(isolate, SetterCallbackEvent(name, setter_entry)); |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 1605 | } |
| 1606 | } |
| 1607 | } |
| 1608 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1609 | |
| 1610 | bool Logger::Setup() { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1611 | // Tests and EnsureInitialize() can call this twice in a row. It's harmless. |
| 1612 | if (is_initialized_) return true; |
| 1613 | is_initialized_ = true; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1614 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1615 | // --ll-prof implies --log-code and --log-snapshot-positions. |
| 1616 | if (FLAG_ll_prof) { |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1617 | FLAG_log_snapshot_positions = true; |
| 1618 | } |
| 1619 | |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1620 | // --prof_lazy controls --log-code, implies --noprof_auto. |
| 1621 | if (FLAG_prof_lazy) { |
| 1622 | FLAG_log_code = false; |
| 1623 | FLAG_prof_auto = false; |
| 1624 | } |
| 1625 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1626 | // TODO(isolates): this assert introduces cyclic dependency (logger |
| 1627 | // -> thread local top -> heap -> logger). |
| 1628 | // ASSERT(VMState::is_outermost_external()); |
ager@chromium.org | 3e87580 | 2009-06-29 08:26:34 +0000 | [diff] [blame] | 1629 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1630 | log_->Initialize(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1631 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1632 | if (FLAG_ll_prof) LogCodeInfo(); |
| 1633 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1634 | Isolate* isolate = Isolate::Current(); |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 1635 | ticker_ = new Ticker(isolate, kSamplingIntervalMs); |
| 1636 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1637 | if (FLAG_sliding_state_window && sliding_state_window_ == NULL) { |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1638 | sliding_state_window_ = new SlidingStateWindow(isolate); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1639 | } |
| 1640 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1641 | bool start_logging = FLAG_log || FLAG_log_runtime || FLAG_log_api |
| 1642 | || FLAG_log_code || FLAG_log_gc || FLAG_log_handles || FLAG_log_suspect |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1643 | || FLAG_log_regexp || FLAG_log_state_changes || FLAG_ll_prof; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1644 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1645 | if (start_logging) { |
| 1646 | logging_nesting_ = 1; |
| 1647 | } |
ager@chromium.org | 3e87580 | 2009-06-29 08:26:34 +0000 | [diff] [blame] | 1648 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1649 | if (FLAG_prof) { |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1650 | profiler_ = new Profiler(isolate); |
ager@chromium.org | 3e87580 | 2009-06-29 08:26:34 +0000 | [diff] [blame] | 1651 | if (!FLAG_prof_auto) { |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 1652 | profiler_->pause(); |
ager@chromium.org | 3e87580 | 2009-06-29 08:26:34 +0000 | [diff] [blame] | 1653 | } else { |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1654 | logging_nesting_ = 1; |
ager@chromium.org | 3e87580 | 2009-06-29 08:26:34 +0000 | [diff] [blame] | 1655 | } |
ager@chromium.org | 3811b43 | 2009-10-28 14:53:37 +0000 | [diff] [blame] | 1656 | if (!FLAG_prof_lazy) { |
| 1657 | profiler_->Engage(); |
| 1658 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1659 | } |
| 1660 | |
| 1661 | return true; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1662 | } |
| 1663 | |
| 1664 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1665 | Sampler* Logger::sampler() { |
| 1666 | return ticker_; |
| 1667 | } |
| 1668 | |
| 1669 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1670 | void Logger::EnsureTickerStarted() { |
| 1671 | ASSERT(ticker_ != NULL); |
| 1672 | if (!ticker_->IsActive()) ticker_->Start(); |
| 1673 | } |
| 1674 | |
| 1675 | |
| 1676 | void Logger::EnsureTickerStopped() { |
| 1677 | if (ticker_ != NULL && ticker_->IsActive()) ticker_->Stop(); |
| 1678 | } |
| 1679 | |
| 1680 | |
whesse@chromium.org | 030d38e | 2011-07-13 13:23:34 +0000 | [diff] [blame] | 1681 | FILE* Logger::TearDown() { |
| 1682 | if (!is_initialized_) return NULL; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1683 | is_initialized_ = false; |
sgjesse@chromium.org | 755c5b1 | 2009-05-29 11:04:38 +0000 | [diff] [blame] | 1684 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1685 | // Stop the profiler before closing the file. |
| 1686 | if (profiler_ != NULL) { |
| 1687 | profiler_->Disengage(); |
| 1688 | delete profiler_; |
| 1689 | profiler_ = NULL; |
| 1690 | } |
| 1691 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1692 | delete sliding_state_window_; |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1693 | sliding_state_window_ = NULL; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1694 | |
| 1695 | delete ticker_; |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1696 | ticker_ = NULL; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1697 | |
whesse@chromium.org | 030d38e | 2011-07-13 13:23:34 +0000 | [diff] [blame] | 1698 | return log_->Close(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1699 | } |
| 1700 | |
| 1701 | |
| 1702 | void Logger::EnableSlidingStateWindow() { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1703 | // If the ticker is NULL, Logger::Setup has not been called yet. In |
| 1704 | // that case, we set the sliding_state_window flag so that the |
| 1705 | // sliding window computation will be started when Logger::Setup is |
| 1706 | // called. |
| 1707 | if (ticker_ == NULL) { |
| 1708 | FLAG_sliding_state_window = true; |
| 1709 | return; |
| 1710 | } |
| 1711 | // Otherwise, if the sliding state window computation has not been |
| 1712 | // started we do it now. |
| 1713 | if (sliding_state_window_ == NULL) { |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1714 | sliding_state_window_ = new SlidingStateWindow(Isolate::Current()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1715 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1716 | } |
| 1717 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1718 | |
| 1719 | Mutex* SamplerRegistry::mutex_ = OS::CreateMutex(); |
| 1720 | List<Sampler*>* SamplerRegistry::active_samplers_ = NULL; |
| 1721 | |
| 1722 | |
| 1723 | bool SamplerRegistry::IterateActiveSamplers(VisitSampler func, void* param) { |
| 1724 | ScopedLock lock(mutex_); |
| 1725 | for (int i = 0; |
| 1726 | ActiveSamplersExist() && i < active_samplers_->length(); |
| 1727 | ++i) { |
| 1728 | func(active_samplers_->at(i), param); |
| 1729 | } |
| 1730 | return ActiveSamplersExist(); |
| 1731 | } |
| 1732 | |
| 1733 | |
| 1734 | static void ComputeCpuProfiling(Sampler* sampler, void* flag_ptr) { |
| 1735 | bool* flag = reinterpret_cast<bool*>(flag_ptr); |
| 1736 | *flag |= sampler->IsProfiling(); |
| 1737 | } |
| 1738 | |
| 1739 | |
| 1740 | SamplerRegistry::State SamplerRegistry::GetState() { |
| 1741 | bool flag = false; |
| 1742 | if (!IterateActiveSamplers(&ComputeCpuProfiling, &flag)) { |
| 1743 | return HAS_NO_SAMPLERS; |
| 1744 | } |
| 1745 | return flag ? HAS_CPU_PROFILING_SAMPLERS : HAS_SAMPLERS; |
| 1746 | } |
| 1747 | |
| 1748 | |
| 1749 | void SamplerRegistry::AddActiveSampler(Sampler* sampler) { |
| 1750 | ASSERT(sampler->IsActive()); |
| 1751 | ScopedLock lock(mutex_); |
| 1752 | if (active_samplers_ == NULL) { |
| 1753 | active_samplers_ = new List<Sampler*>; |
| 1754 | } else { |
| 1755 | ASSERT(!active_samplers_->Contains(sampler)); |
| 1756 | } |
| 1757 | active_samplers_->Add(sampler); |
| 1758 | } |
| 1759 | |
| 1760 | |
| 1761 | void SamplerRegistry::RemoveActiveSampler(Sampler* sampler) { |
| 1762 | ASSERT(sampler->IsActive()); |
| 1763 | ScopedLock lock(mutex_); |
| 1764 | ASSERT(active_samplers_ != NULL); |
| 1765 | bool removed = active_samplers_->RemoveElement(sampler); |
| 1766 | ASSERT(removed); |
| 1767 | USE(removed); |
| 1768 | } |
| 1769 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1770 | } } // namespace v8::internal |