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 3 // found in the LICENSE file. 4 5 #include "src/tracing/trace-event.h" 6 7 #include <string.h> 8 9 #include "src/counters.h" 10 #include "src/isolate.h" 11 #include "src/tracing/traced-value.h" 12 #include "src/v8.h" 13 14 namespace v8 { 15 namespace internal { 16 namespace tracing { 17 18 v8::Platform* TraceEventHelper::GetCurrentPlatform() { 19 return v8::internal::V8::GetCurrentPlatform(); 20 } 21 22 void CallStatsScopedTracer::AddEndTraceEvent() { 23 if (!has_parent_scope_ && p_data_->isolate) { 24 auto value = v8::tracing::TracedValue::Create(); 25 p_data_->isolate->counters()->runtime_call_stats()->Dump(value.get()); 26 v8::internal::tracing::AddTraceEvent( 27 TRACE_EVENT_PHASE_END, p_data_->category_group_enabled, p_data_->name, 28 v8::internal::tracing::kGlobalScope, v8::internal::tracing::kNoId, 29 v8::internal::tracing::kNoId, TRACE_EVENT_FLAG_NONE, 30 "runtime-call-stats", std::move(value)); 31 } else { 32 v8::internal::tracing::AddTraceEvent( 33 TRACE_EVENT_PHASE_END, p_data_->category_group_enabled, p_data_->name, 34 v8::internal::tracing::kGlobalScope, v8::internal::tracing::kNoId, 35 v8::internal::tracing::kNoId, TRACE_EVENT_FLAG_NONE); 36 } 37 } 38 39 void CallStatsScopedTracer::Initialize(v8::internal::Isolate* isolate, 40 const uint8_t* category_group_enabled, 41 const char* name) { 42 data_.isolate = isolate; 43 data_.category_group_enabled = category_group_enabled; 44 data_.name = name; 45 p_data_ = &data_; 46 RuntimeCallStats* table = isolate->counters()->runtime_call_stats(); 47 has_parent_scope_ = table->InUse(); 48 if (!has_parent_scope_) table->Reset(); 49 v8::internal::tracing::AddTraceEvent( 50 TRACE_EVENT_PHASE_BEGIN, category_group_enabled, name, 51 v8::internal::tracing::kGlobalScope, v8::internal::tracing::kNoId, 52 TRACE_EVENT_FLAG_NONE, v8::internal::tracing::kNoId); 53 } 54 55 } // namespace tracing 56 } // namespace internal 57 } // namespace v8 58
