| OLD | NEW |
| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef RUNTIME_VM_PROFILER_H_ | 5 #ifndef RUNTIME_VM_PROFILER_H_ |
| 6 #define RUNTIME_VM_PROFILER_H_ | 6 #define RUNTIME_VM_PROFILER_H_ |
| 7 | 7 |
| 8 #include "vm/allocation.h" | 8 #include "vm/allocation.h" |
| 9 #include "vm/bitfield.h" | 9 #include "vm/bitfield.h" |
| 10 #include "vm/code_observers.h" | 10 #include "vm/code_observers.h" |
| (...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 45 | 45 |
| 46 | 46 |
| 47 class Profiler : public AllStatic { | 47 class Profiler : public AllStatic { |
| 48 public: | 48 public: |
| 49 static void InitOnce(); | 49 static void InitOnce(); |
| 50 static void Shutdown(); | 50 static void Shutdown(); |
| 51 | 51 |
| 52 static void SetSampleDepth(intptr_t depth); | 52 static void SetSampleDepth(intptr_t depth); |
| 53 static void SetSamplePeriod(intptr_t period); | 53 static void SetSamplePeriod(intptr_t period); |
| 54 | 54 |
| 55 static SampleBuffer* sample_buffer() { | 55 static SampleBuffer* sample_buffer() { return sample_buffer_; } |
| 56 return sample_buffer_; | |
| 57 } | |
| 58 | 56 |
| 59 static void DumpStackTrace(bool native_stack_trace = true); | 57 static void DumpStackTrace(bool native_stack_trace = true); |
| 60 | 58 |
| 61 static void SampleAllocation(Thread* thread, intptr_t cid); | 59 static void SampleAllocation(Thread* thread, intptr_t cid); |
| 62 | 60 |
| 63 // SampleThread is called from inside the signal handler and hence it is very | 61 // SampleThread is called from inside the signal handler and hence it is very |
| 64 // critical that the implementation of SampleThread does not do any of the | 62 // critical that the implementation of SampleThread does not do any of the |
| 65 // following: | 63 // following: |
| 66 // * Accessing TLS -- Because on Windows the callback will be running in a | 64 // * Accessing TLS -- Because on Windows the callback will be running in a |
| 67 // different thread. | 65 // different thread. |
| 68 // * Allocating memory -- Because this takes locks which may already be | 66 // * Allocating memory -- Because this takes locks which may already be |
| 69 // held, resulting in a dead lock. | 67 // held, resulting in a dead lock. |
| 70 // * Taking a lock -- See above. | 68 // * Taking a lock -- See above. |
| 71 static void SampleThread(Thread* thread, | 69 static void SampleThread(Thread* thread, const InterruptedThreadState& state); |
| 72 const InterruptedThreadState& state); | |
| 73 | 70 |
| 74 static ProfilerCounters counters() { | 71 static ProfilerCounters counters() { |
| 75 // Copies the counter values. | 72 // Copies the counter values. |
| 76 return counters_; | 73 return counters_; |
| 77 } | 74 } |
| 78 | 75 |
| 79 private: | 76 private: |
| 80 // Does not walk the thread's stack. | 77 // Does not walk the thread's stack. |
| 81 static void SampleThreadSingleFrame(Thread* thread, uintptr_t pc); | 78 static void SampleThreadSingleFrame(Thread* thread, uintptr_t pc); |
| 82 static bool initialized_; | 79 static bool initialized_; |
| 83 | 80 |
| 84 static SampleBuffer* sample_buffer_; | 81 static SampleBuffer* sample_buffer_; |
| 85 | 82 |
| 86 static ProfilerCounters counters_; | 83 static ProfilerCounters counters_; |
| 87 | 84 |
| 88 friend class Thread; | 85 friend class Thread; |
| 89 }; | 86 }; |
| 90 | 87 |
| 91 | 88 |
| 92 class SampleVisitor : public ValueObject { | 89 class SampleVisitor : public ValueObject { |
| 93 public: | 90 public: |
| 94 explicit SampleVisitor(Isolate* isolate) : isolate_(isolate), visited_(0) { } | 91 explicit SampleVisitor(Isolate* isolate) : isolate_(isolate), visited_(0) {} |
| 95 virtual ~SampleVisitor() {} | 92 virtual ~SampleVisitor() {} |
| 96 | 93 |
| 97 virtual void VisitSample(Sample* sample) = 0; | 94 virtual void VisitSample(Sample* sample) = 0; |
| 98 | 95 |
| 99 intptr_t visited() const { | 96 intptr_t visited() const { return visited_; } |
| 100 return visited_; | |
| 101 } | |
| 102 | 97 |
| 103 void IncrementVisited() { | 98 void IncrementVisited() { visited_++; } |
| 104 visited_++; | |
| 105 } | |
| 106 | 99 |
| 107 Isolate* isolate() const { | 100 Isolate* isolate() const { return isolate_; } |
| 108 return isolate_; | |
| 109 } | |
| 110 | 101 |
| 111 private: | 102 private: |
| 112 Isolate* isolate_; | 103 Isolate* isolate_; |
| 113 intptr_t visited_; | 104 intptr_t visited_; |
| 114 | 105 |
| 115 DISALLOW_IMPLICIT_CONSTRUCTORS(SampleVisitor); | 106 DISALLOW_IMPLICIT_CONSTRUCTORS(SampleVisitor); |
| 116 }; | 107 }; |
| 117 | 108 |
| 118 | 109 |
| 119 class SampleFilter : public ValueObject { | 110 class SampleFilter : public ValueObject { |
| 120 public: | 111 public: |
| 121 SampleFilter(Isolate* isolate, | 112 SampleFilter(Isolate* isolate, |
| 122 intptr_t thread_task_mask, | 113 intptr_t thread_task_mask, |
| 123 int64_t time_origin_micros, | 114 int64_t time_origin_micros, |
| 124 int64_t time_extent_micros) | 115 int64_t time_extent_micros) |
| 125 : isolate_(isolate), | 116 : isolate_(isolate), |
| 126 thread_task_mask_(thread_task_mask), | 117 thread_task_mask_(thread_task_mask), |
| 127 time_origin_micros_(time_origin_micros), | 118 time_origin_micros_(time_origin_micros), |
| 128 time_extent_micros_(time_extent_micros) { | 119 time_extent_micros_(time_extent_micros) { |
| 129 ASSERT(thread_task_mask != 0); | 120 ASSERT(thread_task_mask != 0); |
| 130 ASSERT(time_origin_micros_ >= -1); | 121 ASSERT(time_origin_micros_ >= -1); |
| 131 ASSERT(time_extent_micros_ >= -1); | 122 ASSERT(time_extent_micros_ >= -1); |
| 132 } | 123 } |
| 133 virtual ~SampleFilter() { } | 124 virtual ~SampleFilter() {} |
| 134 | 125 |
| 135 // Override this function. | 126 // Override this function. |
| 136 // Return |true| if |sample| passes the filter. | 127 // Return |true| if |sample| passes the filter. |
| 137 virtual bool FilterSample(Sample* sample) { | 128 virtual bool FilterSample(Sample* sample) { return true; } |
| 138 return true; | |
| 139 } | |
| 140 | 129 |
| 141 Isolate* isolate() const { | 130 Isolate* isolate() const { return isolate_; } |
| 142 return isolate_; | |
| 143 } | |
| 144 | 131 |
| 145 // Returns |true| if |sample| passes the time filter. | 132 // Returns |true| if |sample| passes the time filter. |
| 146 bool TimeFilterSample(Sample* sample); | 133 bool TimeFilterSample(Sample* sample); |
| 147 | 134 |
| 148 // Returns |true| if |sample| passes the thread task filter. | 135 // Returns |true| if |sample| passes the thread task filter. |
| 149 bool TaskFilterSample(Sample* sample); | 136 bool TaskFilterSample(Sample* sample); |
| 150 | 137 |
| 151 private: | 138 private: |
| 152 Isolate* isolate_; | 139 Isolate* isolate_; |
| 153 intptr_t thread_task_mask_; | 140 intptr_t thread_task_mask_; |
| (...skipping 14 matching lines...) Expand all Loading... |
| 168 class Sample { | 155 class Sample { |
| 169 public: | 156 public: |
| 170 void Init(Isolate* isolate, int64_t timestamp, ThreadId tid) { | 157 void Init(Isolate* isolate, int64_t timestamp, ThreadId tid) { |
| 171 Clear(); | 158 Clear(); |
| 172 timestamp_ = timestamp; | 159 timestamp_ = timestamp; |
| 173 tid_ = tid; | 160 tid_ = tid; |
| 174 isolate_ = isolate; | 161 isolate_ = isolate; |
| 175 } | 162 } |
| 176 | 163 |
| 177 // Isolate sample was taken from. | 164 // Isolate sample was taken from. |
| 178 Isolate* isolate() const { | 165 Isolate* isolate() const { return isolate_; } |
| 179 return isolate_; | |
| 180 } | |
| 181 | 166 |
| 182 // Thread sample was taken on. | 167 // Thread sample was taken on. |
| 183 ThreadId tid() const { | 168 ThreadId tid() const { return tid_; } |
| 184 return tid_; | |
| 185 } | |
| 186 | 169 |
| 187 void Clear() { | 170 void Clear() { |
| 188 isolate_ = NULL; | 171 isolate_ = NULL; |
| 189 pc_marker_ = 0; | 172 pc_marker_ = 0; |
| 190 for (intptr_t i = 0; i < kStackBufferSizeInWords; i++) { | 173 for (intptr_t i = 0; i < kStackBufferSizeInWords; i++) { |
| 191 stack_buffer_[i] = 0; | 174 stack_buffer_[i] = 0; |
| 192 } | 175 } |
| 193 vm_tag_ = VMTag::kInvalidTagId; | 176 vm_tag_ = VMTag::kInvalidTagId; |
| 194 user_tag_ = UserTags::kDefaultUserTag; | 177 user_tag_ = UserTags::kDefaultUserTag; |
| 195 lr_ = 0; | 178 lr_ = 0; |
| 196 metadata_ = 0; | 179 metadata_ = 0; |
| 197 state_ = 0; | 180 state_ = 0; |
| 198 continuation_index_ = -1; | 181 continuation_index_ = -1; |
| 199 uword* pcs = GetPCArray(); | 182 uword* pcs = GetPCArray(); |
| 200 for (intptr_t i = 0; i < pcs_length_; i++) { | 183 for (intptr_t i = 0; i < pcs_length_; i++) { |
| 201 pcs[i] = 0; | 184 pcs[i] = 0; |
| 202 } | 185 } |
| 203 set_head_sample(true); | 186 set_head_sample(true); |
| 204 } | 187 } |
| 205 | 188 |
| 206 // Timestamp sample was taken at. | 189 // Timestamp sample was taken at. |
| 207 int64_t timestamp() const { | 190 int64_t timestamp() const { return timestamp_; } |
| 208 return timestamp_; | |
| 209 } | |
| 210 | 191 |
| 211 // Top most pc. | 192 // Top most pc. |
| 212 uword pc() const { | 193 uword pc() const { return At(0); } |
| 213 return At(0); | |
| 214 } | |
| 215 | 194 |
| 216 // Get stack trace entry. | 195 // Get stack trace entry. |
| 217 uword At(intptr_t i) const { | 196 uword At(intptr_t i) const { |
| 218 ASSERT(i >= 0); | 197 ASSERT(i >= 0); |
| 219 ASSERT(i < pcs_length_); | 198 ASSERT(i < pcs_length_); |
| 220 uword* pcs = GetPCArray(); | 199 uword* pcs = GetPCArray(); |
| 221 return pcs[i]; | 200 return pcs[i]; |
| 222 } | 201 } |
| 223 | 202 |
| 224 // Set stack trace entry. | 203 // Set stack trace entry. |
| 225 void SetAt(intptr_t i, uword pc) { | 204 void SetAt(intptr_t i, uword pc) { |
| 226 ASSERT(i >= 0); | 205 ASSERT(i >= 0); |
| 227 ASSERT(i < pcs_length_); | 206 ASSERT(i < pcs_length_); |
| 228 uword* pcs = GetPCArray(); | 207 uword* pcs = GetPCArray(); |
| 229 pcs[i] = pc; | 208 pcs[i] = pc; |
| 230 } | 209 } |
| 231 | 210 |
| 232 uword vm_tag() const { | 211 uword vm_tag() const { return vm_tag_; } |
| 233 return vm_tag_; | |
| 234 } | |
| 235 void set_vm_tag(uword tag) { | 212 void set_vm_tag(uword tag) { |
| 236 ASSERT(tag != VMTag::kInvalidTagId); | 213 ASSERT(tag != VMTag::kInvalidTagId); |
| 237 vm_tag_ = tag; | 214 vm_tag_ = tag; |
| 238 } | 215 } |
| 239 | 216 |
| 240 uword user_tag() const { | 217 uword user_tag() const { return user_tag_; } |
| 241 return user_tag_; | 218 void set_user_tag(uword tag) { user_tag_ = tag; } |
| 242 } | |
| 243 void set_user_tag(uword tag) { | |
| 244 user_tag_ = tag; | |
| 245 } | |
| 246 | 219 |
| 247 uword pc_marker() const { | 220 uword pc_marker() const { return pc_marker_; } |
| 248 return pc_marker_; | |
| 249 } | |
| 250 | 221 |
| 251 void set_pc_marker(uword pc_marker) { | 222 void set_pc_marker(uword pc_marker) { pc_marker_ = pc_marker; } |
| 252 pc_marker_ = pc_marker; | |
| 253 } | |
| 254 | 223 |
| 255 uword lr() const { | 224 uword lr() const { return lr_; } |
| 256 return lr_; | |
| 257 } | |
| 258 | 225 |
| 259 void set_lr(uword link_register) { | 226 void set_lr(uword link_register) { lr_ = link_register; } |
| 260 lr_ = link_register; | |
| 261 } | |
| 262 | 227 |
| 263 bool leaf_frame_is_dart() const { | 228 bool leaf_frame_is_dart() const { return LeafFrameIsDart::decode(state_); } |
| 264 return LeafFrameIsDart::decode(state_); | |
| 265 } | |
| 266 | 229 |
| 267 void set_leaf_frame_is_dart(bool leaf_frame_is_dart) { | 230 void set_leaf_frame_is_dart(bool leaf_frame_is_dart) { |
| 268 state_ = LeafFrameIsDart::update(leaf_frame_is_dart, state_); | 231 state_ = LeafFrameIsDart::update(leaf_frame_is_dart, state_); |
| 269 } | 232 } |
| 270 | 233 |
| 271 bool ignore_sample() const { | 234 bool ignore_sample() const { return IgnoreBit::decode(state_); } |
| 272 return IgnoreBit::decode(state_); | |
| 273 } | |
| 274 | 235 |
| 275 void set_ignore_sample(bool ignore_sample) { | 236 void set_ignore_sample(bool ignore_sample) { |
| 276 state_ = IgnoreBit::update(ignore_sample, state_); | 237 state_ = IgnoreBit::update(ignore_sample, state_); |
| 277 } | 238 } |
| 278 | 239 |
| 279 bool exit_frame_sample() const { | 240 bool exit_frame_sample() const { return ExitFrameBit::decode(state_); } |
| 280 return ExitFrameBit::decode(state_); | |
| 281 } | |
| 282 | 241 |
| 283 void set_exit_frame_sample(bool exit_frame_sample) { | 242 void set_exit_frame_sample(bool exit_frame_sample) { |
| 284 state_ = ExitFrameBit::update(exit_frame_sample, state_); | 243 state_ = ExitFrameBit::update(exit_frame_sample, state_); |
| 285 } | 244 } |
| 286 | 245 |
| 287 bool missing_frame_inserted() const { | 246 bool missing_frame_inserted() const { |
| 288 return MissingFrameInsertedBit::decode(state_); | 247 return MissingFrameInsertedBit::decode(state_); |
| 289 } | 248 } |
| 290 | 249 |
| 291 void set_missing_frame_inserted(bool missing_frame_inserted) { | 250 void set_missing_frame_inserted(bool missing_frame_inserted) { |
| 292 state_ = MissingFrameInsertedBit::update(missing_frame_inserted, state_); | 251 state_ = MissingFrameInsertedBit::update(missing_frame_inserted, state_); |
| 293 } | 252 } |
| 294 | 253 |
| 295 bool truncated_trace() const { | 254 bool truncated_trace() const { return TruncatedTraceBit::decode(state_); } |
| 296 return TruncatedTraceBit::decode(state_); | |
| 297 } | |
| 298 | 255 |
| 299 void set_truncated_trace(bool truncated_trace) { | 256 void set_truncated_trace(bool truncated_trace) { |
| 300 state_ = TruncatedTraceBit::update(truncated_trace, state_); | 257 state_ = TruncatedTraceBit::update(truncated_trace, state_); |
| 301 } | 258 } |
| 302 | 259 |
| 303 bool is_allocation_sample() const { | 260 bool is_allocation_sample() const { |
| 304 return ClassAllocationSampleBit::decode(state_); | 261 return ClassAllocationSampleBit::decode(state_); |
| 305 } | 262 } |
| 306 | 263 |
| 307 void set_is_allocation_sample(bool allocation_sample) { | 264 void set_is_allocation_sample(bool allocation_sample) { |
| 308 state_ = ClassAllocationSampleBit::update(allocation_sample, state_); | 265 state_ = ClassAllocationSampleBit::update(allocation_sample, state_); |
| 309 } | 266 } |
| 310 | 267 |
| 311 Thread::TaskKind thread_task() const { | 268 Thread::TaskKind thread_task() const { return ThreadTaskBit::decode(state_); } |
| 312 return ThreadTaskBit::decode(state_); | |
| 313 } | |
| 314 | 269 |
| 315 void set_thread_task(Thread::TaskKind task) { | 270 void set_thread_task(Thread::TaskKind task) { |
| 316 state_ = ThreadTaskBit::update(task, state_); | 271 state_ = ThreadTaskBit::update(task, state_); |
| 317 } | 272 } |
| 318 | 273 |
| 319 bool is_continuation_sample() const { | 274 bool is_continuation_sample() const { |
| 320 return ContinuationSampleBit::decode(state_); | 275 return ContinuationSampleBit::decode(state_); |
| 321 } | 276 } |
| 322 | 277 |
| 323 void SetContinuationIndex(intptr_t index) { | 278 void SetContinuationIndex(intptr_t index) { |
| (...skipping 11 matching lines...) Expand all Loading... |
| 335 | 290 |
| 336 intptr_t allocation_cid() const { | 291 intptr_t allocation_cid() const { |
| 337 ASSERT(is_allocation_sample()); | 292 ASSERT(is_allocation_sample()); |
| 338 return metadata_; | 293 return metadata_; |
| 339 } | 294 } |
| 340 | 295 |
| 341 void set_head_sample(bool head_sample) { | 296 void set_head_sample(bool head_sample) { |
| 342 state_ = HeadSampleBit::update(head_sample, state_); | 297 state_ = HeadSampleBit::update(head_sample, state_); |
| 343 } | 298 } |
| 344 | 299 |
| 345 bool head_sample() const { | 300 bool head_sample() const { return HeadSampleBit::decode(state_); } |
| 346 return HeadSampleBit::decode(state_); | |
| 347 } | |
| 348 | 301 |
| 349 void set_metadata(intptr_t metadata) { | 302 void set_metadata(intptr_t metadata) { metadata_ = metadata; } |
| 350 metadata_ = metadata; | |
| 351 } | |
| 352 | 303 |
| 353 void SetAllocationCid(intptr_t cid) { | 304 void SetAllocationCid(intptr_t cid) { |
| 354 set_is_allocation_sample(true); | 305 set_is_allocation_sample(true); |
| 355 set_metadata(cid); | 306 set_metadata(cid); |
| 356 } | 307 } |
| 357 | 308 |
| 358 static void InitOnce(); | 309 static void InitOnce(); |
| 359 | 310 |
| 360 static intptr_t instance_size() { | 311 static intptr_t instance_size() { return instance_size_; } |
| 361 return instance_size_; | |
| 362 } | |
| 363 | 312 |
| 364 uword* GetPCArray() const; | 313 uword* GetPCArray() const; |
| 365 | 314 |
| 366 static const int kStackBufferSizeInWords = 2; | 315 static const int kStackBufferSizeInWords = 2; |
| 367 uword* GetStackBuffer() { | 316 uword* GetStackBuffer() { return &stack_buffer_[0]; } |
| 368 return &stack_buffer_[0]; | |
| 369 } | |
| 370 | 317 |
| 371 private: | 318 private: |
| 372 static intptr_t instance_size_; | 319 static intptr_t instance_size_; |
| 373 static intptr_t pcs_length_; | 320 static intptr_t pcs_length_; |
| 374 enum StateBits { | 321 enum StateBits { |
| 375 kHeadSampleBit = 0, | 322 kHeadSampleBit = 0, |
| 376 kLeafFrameIsDartBit = 1, | 323 kLeafFrameIsDartBit = 1, |
| 377 kIgnoreBit = 2, | 324 kIgnoreBit = 2, |
| 378 kExitFrameBit = 3, | 325 kExitFrameBit = 3, |
| 379 kMissingFrameInsertedBit = 4, | 326 kMissingFrameInsertedBit = 4, |
| 380 kTruncatedTraceBit = 5, | 327 kTruncatedTraceBit = 5, |
| 381 kClassAllocationSampleBit = 6, | 328 kClassAllocationSampleBit = 6, |
| 382 kContinuationSampleBit = 7, | 329 kContinuationSampleBit = 7, |
| 383 kThreadTaskBit = 8, // 5 bits. | 330 kThreadTaskBit = 8, // 5 bits. |
| 384 kNextFreeBit = 13, | 331 kNextFreeBit = 13, |
| 385 }; | 332 }; |
| 386 class HeadSampleBit : public BitField<uword, bool, kHeadSampleBit, 1> {}; | 333 class HeadSampleBit : public BitField<uword, bool, kHeadSampleBit, 1> {}; |
| 387 class LeafFrameIsDart : | 334 class LeafFrameIsDart : public BitField<uword, bool, kLeafFrameIsDartBit, 1> { |
| 388 public BitField<uword, bool, kLeafFrameIsDartBit, 1> {}; | 335 }; |
| 389 class IgnoreBit : public BitField<uword, bool, kIgnoreBit, 1> {}; | 336 class IgnoreBit : public BitField<uword, bool, kIgnoreBit, 1> {}; |
| 390 class ExitFrameBit : public BitField<uword, bool, kExitFrameBit, 1> {}; | 337 class ExitFrameBit : public BitField<uword, bool, kExitFrameBit, 1> {}; |
| 391 class MissingFrameInsertedBit | 338 class MissingFrameInsertedBit |
| 392 : public BitField<uword, bool, kMissingFrameInsertedBit, 1> {}; | 339 : public BitField<uword, bool, kMissingFrameInsertedBit, 1> {}; |
| 393 class TruncatedTraceBit : | 340 class TruncatedTraceBit |
| 394 public BitField<uword, bool, kTruncatedTraceBit, 1> {}; | 341 : public BitField<uword, bool, kTruncatedTraceBit, 1> {}; |
| 395 class ClassAllocationSampleBit | 342 class ClassAllocationSampleBit |
| 396 : public BitField<uword, bool, kClassAllocationSampleBit, 1> {}; | 343 : public BitField<uword, bool, kClassAllocationSampleBit, 1> {}; |
| 397 class ContinuationSampleBit | 344 class ContinuationSampleBit |
| 398 : public BitField<uword, bool, kContinuationSampleBit, 1> {}; | 345 : public BitField<uword, bool, kContinuationSampleBit, 1> {}; |
| 399 class ThreadTaskBit | 346 class ThreadTaskBit |
| 400 : public BitField<uword, Thread::TaskKind, kThreadTaskBit, 5> {}; | 347 : public BitField<uword, Thread::TaskKind, kThreadTaskBit, 5> {}; |
| 401 | 348 |
| 402 int64_t timestamp_; | 349 int64_t timestamp_; |
| 403 ThreadId tid_; | 350 ThreadId tid_; |
| 404 Isolate* isolate_; | 351 Isolate* isolate_; |
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| 422 class CodeDescriptor : public ZoneAllocated { | 369 class CodeDescriptor : public ZoneAllocated { |
| 423 public: | 370 public: |
| 424 explicit CodeDescriptor(const Code& code); | 371 explicit CodeDescriptor(const Code& code); |
| 425 | 372 |
| 426 uword Start() const; | 373 uword Start() const; |
| 427 | 374 |
| 428 uword Size() const; | 375 uword Size() const; |
| 429 | 376 |
| 430 int64_t CompileTimestamp() const; | 377 int64_t CompileTimestamp() const; |
| 431 | 378 |
| 432 RawCode* code() const { | 379 RawCode* code() const { return code_.raw(); } |
| 433 return code_.raw(); | |
| 434 } | |
| 435 | 380 |
| 436 const char* Name() const { | 381 const char* Name() const { return code_.Name(); } |
| 437 return code_.Name(); | |
| 438 } | |
| 439 | 382 |
| 440 bool Contains(uword pc) const { | 383 bool Contains(uword pc) const { |
| 441 uword end = Start() + Size(); | 384 uword end = Start() + Size(); |
| 442 return (pc >= Start()) && (pc < end); | 385 return (pc >= Start()) && (pc < end); |
| 443 } | 386 } |
| 444 | 387 |
| 445 static int Compare(CodeDescriptor* const* a, | 388 static int Compare(CodeDescriptor* const* a, CodeDescriptor* const* b) { |
| 446 CodeDescriptor* const* b) { | |
| 447 ASSERT(a != NULL); | 389 ASSERT(a != NULL); |
| 448 ASSERT(b != NULL); | 390 ASSERT(b != NULL); |
| 449 | 391 |
| 450 uword a_start = (*a)->Start(); | 392 uword a_start = (*a)->Start(); |
| 451 uword b_start = (*b)->Start(); | 393 uword b_start = (*b)->Start(); |
| 452 | 394 |
| 453 if (a_start < b_start) { | 395 if (a_start < b_start) { |
| 454 return -1; | 396 return -1; |
| 455 } else if (a_start > b_start) { | 397 } else if (a_start > b_start) { |
| 456 return 1; | 398 return 1; |
| 457 } else { | 399 } else { |
| 458 return 0; | 400 return 0; |
| 459 } | 401 } |
| 460 } | 402 } |
| 461 | 403 |
| 462 private: | 404 private: |
| 463 const Code& code_; | 405 const Code& code_; |
| 464 | 406 |
| 465 DISALLOW_COPY_AND_ASSIGN(CodeDescriptor); | 407 DISALLOW_COPY_AND_ASSIGN(CodeDescriptor); |
| 466 }; | 408 }; |
| 467 | 409 |
| 468 | 410 |
| 469 // Fast lookup of Dart code objects. | 411 // Fast lookup of Dart code objects. |
| 470 class CodeLookupTable : public ZoneAllocated { | 412 class CodeLookupTable : public ZoneAllocated { |
| 471 public: | 413 public: |
| 472 explicit CodeLookupTable(Thread* thread); | 414 explicit CodeLookupTable(Thread* thread); |
| 473 | 415 |
| 474 intptr_t length() const { | 416 intptr_t length() const { return code_objects_.length(); } |
| 475 return code_objects_.length(); | |
| 476 } | |
| 477 | 417 |
| 478 const CodeDescriptor* At(intptr_t index) const { | 418 const CodeDescriptor* At(intptr_t index) const { |
| 479 return code_objects_.At(index); | 419 return code_objects_.At(index); |
| 480 } | 420 } |
| 481 | 421 |
| 482 const CodeDescriptor* FindCode(uword pc) const; | 422 const CodeDescriptor* FindCode(uword pc) const; |
| 483 | 423 |
| 484 private: | 424 private: |
| 485 void Build(Thread* thread); | 425 void Build(Thread* thread); |
| 486 | 426 |
| (...skipping 77 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 564 | 504 |
| 565 | 505 |
| 566 // A |ProcessedSample| is a combination of 1 (or more) |Sample|(s) that have | 506 // A |ProcessedSample| is a combination of 1 (or more) |Sample|(s) that have |
| 567 // been merged into a logical sample. The raw data may have been processed to | 507 // been merged into a logical sample. The raw data may have been processed to |
| 568 // improve the quality of the stack trace. | 508 // improve the quality of the stack trace. |
| 569 class ProcessedSample : public ZoneAllocated { | 509 class ProcessedSample : public ZoneAllocated { |
| 570 public: | 510 public: |
| 571 ProcessedSample(); | 511 ProcessedSample(); |
| 572 | 512 |
| 573 // Add |pc| to stack trace. | 513 // Add |pc| to stack trace. |
| 574 void Add(uword pc) { | 514 void Add(uword pc) { pcs_.Add(pc); } |
| 575 pcs_.Add(pc); | |
| 576 } | |
| 577 | 515 |
| 578 // Insert |pc| at |index|. | 516 // Insert |pc| at |index|. |
| 579 void InsertAt(intptr_t index, uword pc) { | 517 void InsertAt(intptr_t index, uword pc) { pcs_.InsertAt(index, pc); } |
| 580 pcs_.InsertAt(index, pc); | |
| 581 } | |
| 582 | 518 |
| 583 // Number of pcs in stack trace. | 519 // Number of pcs in stack trace. |
| 584 intptr_t length() const { return pcs_.length(); } | 520 intptr_t length() const { return pcs_.length(); } |
| 585 | 521 |
| 586 // Get |pc| at |index|. | 522 // Get |pc| at |index|. |
| 587 uword At(intptr_t index) const { | 523 uword At(intptr_t index) const { |
| 588 ASSERT(index >= 0); | 524 ASSERT(index >= 0); |
| 589 ASSERT(index < length()); | 525 ASSERT(index < length()); |
| 590 return pcs_[index]; | 526 return pcs_[index]; |
| 591 } | 527 } |
| (...skipping 10 matching lines...) Expand all Loading... |
| 602 void set_vm_tag(uword tag) { vm_tag_ = tag; } | 538 void set_vm_tag(uword tag) { vm_tag_ = tag; } |
| 603 | 539 |
| 604 // The user tag. | 540 // The user tag. |
| 605 uword user_tag() const { return user_tag_; } | 541 uword user_tag() const { return user_tag_; } |
| 606 void set_user_tag(uword tag) { user_tag_ = tag; } | 542 void set_user_tag(uword tag) { user_tag_ = tag; } |
| 607 | 543 |
| 608 // The class id if this is an allocation profile sample. -1 otherwise. | 544 // The class id if this is an allocation profile sample. -1 otherwise. |
| 609 intptr_t allocation_cid() const { return allocation_cid_; } | 545 intptr_t allocation_cid() const { return allocation_cid_; } |
| 610 void set_allocation_cid(intptr_t cid) { allocation_cid_ = cid; } | 546 void set_allocation_cid(intptr_t cid) { allocation_cid_ = cid; } |
| 611 | 547 |
| 612 bool IsAllocationSample() const { | 548 bool IsAllocationSample() const { return allocation_cid_ > 0; } |
| 613 return allocation_cid_ > 0; | |
| 614 } | |
| 615 | 549 |
| 616 // Was the stack trace truncated? | 550 // Was the stack trace truncated? |
| 617 bool truncated() const { return truncated_; } | 551 bool truncated() const { return truncated_; } |
| 618 void set_truncated(bool truncated) { truncated_ = truncated; } | 552 void set_truncated(bool truncated) { truncated_ = truncated; } |
| 619 | 553 |
| 620 // Was the first frame in the stack trace executing? | 554 // Was the first frame in the stack trace executing? |
| 621 bool first_frame_executing() const { return first_frame_executing_; } | 555 bool first_frame_executing() const { return first_frame_executing_; } |
| 622 void set_first_frame_executing(bool first_frame_executing) { | 556 void set_first_frame_executing(bool first_frame_executing) { |
| 623 first_frame_executing_ = first_frame_executing; | 557 first_frame_executing_ = first_frame_executing; |
| 624 } | 558 } |
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| 652 friend class SampleBuffer; | 586 friend class SampleBuffer; |
| 653 DISALLOW_COPY_AND_ASSIGN(ProcessedSample); | 587 DISALLOW_COPY_AND_ASSIGN(ProcessedSample); |
| 654 }; | 588 }; |
| 655 | 589 |
| 656 | 590 |
| 657 // A collection of |ProcessedSample|s. | 591 // A collection of |ProcessedSample|s. |
| 658 class ProcessedSampleBuffer : public ZoneAllocated { | 592 class ProcessedSampleBuffer : public ZoneAllocated { |
| 659 public: | 593 public: |
| 660 ProcessedSampleBuffer(); | 594 ProcessedSampleBuffer(); |
| 661 | 595 |
| 662 void Add(ProcessedSample* sample) { | 596 void Add(ProcessedSample* sample) { samples_.Add(sample); } |
| 663 samples_.Add(sample); | |
| 664 } | |
| 665 | 597 |
| 666 intptr_t length() const { | 598 intptr_t length() const { return samples_.length(); } |
| 667 return samples_.length(); | |
| 668 } | |
| 669 | 599 |
| 670 ProcessedSample* At(intptr_t index) { | 600 ProcessedSample* At(intptr_t index) { return samples_.At(index); } |
| 671 return samples_.At(index); | |
| 672 } | |
| 673 | 601 |
| 674 const CodeLookupTable& code_lookup_table() const { | 602 const CodeLookupTable& code_lookup_table() const { |
| 675 return *code_lookup_table_; | 603 return *code_lookup_table_; |
| 676 } | 604 } |
| 677 | 605 |
| 678 private: | 606 private: |
| 679 ZoneGrowableArray<ProcessedSample*> samples_; | 607 ZoneGrowableArray<ProcessedSample*> samples_; |
| 680 CodeLookupTable* code_lookup_table_; | 608 CodeLookupTable* code_lookup_table_; |
| 681 | 609 |
| 682 DISALLOW_COPY_AND_ASSIGN(ProcessedSampleBuffer); | 610 DISALLOW_COPY_AND_ASSIGN(ProcessedSampleBuffer); |
| 683 }; | 611 }; |
| 684 | 612 |
| 685 } // namespace dart | 613 } // namespace dart |
| 686 | 614 |
| 687 #endif // RUNTIME_VM_PROFILER_H_ | 615 #endif // RUNTIME_VM_PROFILER_H_ |
| OLD | NEW |