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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/profiler/sampling-heap-profiler.h" | 5 #include "src/profiler/sampling-heap-profiler.h" |
| 6 | 6 |
| 7 #include <stdint.h> | 7 #include <stdint.h> |
| 8 #include <memory> | 8 #include <memory> |
| 9 #include "src/api.h" | 9 #include "src/api.h" |
| 10 #include "src/base/utils/random-number-generator.h" | 10 #include "src/base/utils/random-number-generator.h" |
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| 145 AllocationNode* child = | 145 AllocationNode* child = |
| 146 new AllocationNode(parent, name, script_id, start_position); | 146 new AllocationNode(parent, name, script_id, start_position); |
| 147 parent->children_.push_back(child); | 147 parent->children_.push_back(child); |
| 148 return child; | 148 return child; |
| 149 } | 149 } |
| 150 | 150 |
| 151 SamplingHeapProfiler::AllocationNode* SamplingHeapProfiler::AddStack() { | 151 SamplingHeapProfiler::AllocationNode* SamplingHeapProfiler::AddStack() { |
| 152 AllocationNode* node = &profile_root_; | 152 AllocationNode* node = &profile_root_; |
| 153 | 153 |
| 154 std::vector<SharedFunctionInfo*> stack; | 154 std::vector<SharedFunctionInfo*> stack; |
| 155 StackTraceFrameIterator it(isolate_); | 155 JavaScriptFrameIterator it(isolate_); |
| 156 int frames_captured = 0; | 156 int frames_captured = 0; |
| 157 while (!it.done() && frames_captured < stack_depth_) { | 157 while (!it.done() && frames_captured < stack_depth_) { |
| 158 StandardFrame* frame = it.frame(); | 158 JavaScriptFrame* frame = it.frame(); |
| 159 SharedFunctionInfo* shared = frame->function()->shared(); | 159 SharedFunctionInfo* shared = frame->function()->shared(); |
| 160 stack.push_back(shared); | 160 stack.push_back(shared); |
| 161 | 161 |
| 162 frames_captured++; | 162 frames_captured++; |
| 163 it.Advance(); | 163 it.Advance(); |
| 164 } | 164 } |
| 165 | 165 |
| 166 if (frames_captured == 0) { | 166 if (frames_captured == 0) { |
| 167 const char* name = nullptr; | 167 const char* name = nullptr; |
| 168 switch (isolate_->current_vm_state()) { | 168 switch (isolate_->current_vm_state()) { |
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| 266 } | 266 } |
| 267 } | 267 } |
| 268 auto profile = new v8::internal::AllocationProfile(); | 268 auto profile = new v8::internal::AllocationProfile(); |
| 269 TranslateAllocationNode(profile, &profile_root_, scripts); | 269 TranslateAllocationNode(profile, &profile_root_, scripts); |
| 270 return profile; | 270 return profile; |
| 271 } | 271 } |
| 272 | 272 |
| 273 | 273 |
| 274 } // namespace internal | 274 } // namespace internal |
| 275 } // namespace v8 | 275 } // namespace v8 |
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