1 // Copyright 2013 the V8 project authors. All rights reserved.
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3 // modification, are permitted provided that the following conditions are
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5 //
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27 //
28 // Tests of profiles generator and utilities.
29
30 #include "test/cctest/profiler-extension.h"
31 #include "test/cctest/cctest.h"
32
33 namespace v8 {
34 namespace internal {
35
36 v8::CpuProfile* ProfilerExtension::last_profile = NULL;
37 const char* ProfilerExtension::kSource =
38 "native function startProfiling();"
39 "native function stopProfiling();"
40 "native function collectSample();";
41
GetNativeFunctionTemplate(v8::Isolate * isolate,v8::Local<v8::String> name)42 v8::Local<v8::FunctionTemplate> ProfilerExtension::GetNativeFunctionTemplate(
43 v8::Isolate* isolate, v8::Local<v8::String> name) {
44 v8::Local<v8::Context> context = isolate->GetCurrentContext();
45 if (name->Equals(context, v8_str(isolate, "startProfiling")).FromJust()) {
46 return v8::FunctionTemplate::New(isolate,
47 ProfilerExtension::StartProfiling);
48 }
49 if (name->Equals(context, v8_str(isolate, "stopProfiling")).FromJust()) {
50 return v8::FunctionTemplate::New(isolate, ProfilerExtension::StopProfiling);
51 }
52 if (name->Equals(context, v8_str(isolate, "collectSample")).FromJust()) {
53 return v8::FunctionTemplate::New(isolate, ProfilerExtension::CollectSample);
54 }
55 CHECK(false);
56 return v8::Local<v8::FunctionTemplate>();
57 }
58
StartProfiling(const v8::FunctionCallbackInfo<v8::Value> & args)59 void ProfilerExtension::StartProfiling(
60 const v8::FunctionCallbackInfo<v8::Value>& args) {
61 last_profile = NULL;
62 v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler();
63 cpu_profiler->StartProfiling((args.Length() > 0)
64 ? args[0].As<v8::String>()
65 : v8::String::Empty(args.GetIsolate()));
66 }
67
StopProfiling(const v8::FunctionCallbackInfo<v8::Value> & args)68 void ProfilerExtension::StopProfiling(
69 const v8::FunctionCallbackInfo<v8::Value>& args) {
70 v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler();
71 last_profile = cpu_profiler->StopProfiling((args.Length() > 0)
72 ? args[0].As<v8::String>()
73 : v8::String::Empty(args.GetIsolate()));
74 }
75
CollectSample(const v8::FunctionCallbackInfo<v8::Value> & args)76 void ProfilerExtension::CollectSample(
77 const v8::FunctionCallbackInfo<v8::Value>& args) {
78 args.GetIsolate()->GetCpuProfiler()->CollectSample();
79 }
80
81 } // namespace internal
82 } // namespace v8
83