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
GetTracingController()18 v8::TracingController* TraceEventHelper::GetTracingController() {
19 return v8::internal::V8::GetCurrentPlatform()->GetTracingController();
20 }
21
AddEndTraceEvent()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
Initialize(v8::internal::Isolate * isolate,const uint8_t * category_group_enabled,const char * name)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