Merged r16039, r16067 into trunk branch.

test/cctest/test-cpu-profiler.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 392 matching lines @@
     isolate->GetCpuProfiler()->StartCpuProfiling(v8::String::New("Test"));
     isolate->GetCpuProfiler()->StopCpuProfiling(v8::String::New("Test"));
   }
   CHECK(i::Isolate::Current()->IsInitialized());
   CHECK_NE(NULL, isolate->GetCpuProfiler());
   isolate->Dispose();
   CHECK_EQ(NULL, isolate->GetCpuProfiler());
 }
 
 
+TEST(ProfileStartEndTime) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+  v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
+
+  int64_t time_before_profiling = i::OS::Ticks();
+  v8::Local<v8::String> profile_name = v8::String::New("test");
+  cpu_profiler->StartCpuProfiling(profile_name);
+  const v8::CpuProfile* profile = cpu_profiler->StopCpuProfiling(profile_name);
+  CHECK(time_before_profiling <= profile->GetStartTime());
+  CHECK(profile->GetStartTime() <= profile->GetEndTime());
+  CHECK(profile->GetEndTime() <= i::OS::Ticks());
+}
+
+
 static const v8::CpuProfile* RunProfiler(
     LocalContext& env, v8::Handle<v8::Function> function,
     v8::Handle<v8::Value> argv[], int argc,
     unsigned min_js_samples) {
   v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
   v8::Local<v8::String> profile_name = v8::String::New("my_profile");
 
   cpu_profiler->StartCpuProfiling(profile_name);
 
   i::Sampler* sampler =
@@ skipping 879 matching lines @@
 
   CHECK_EQ(1, barNode->GetChildrenCount());
   const v8::CpuProfileNode* nativeNode2 = GetChild(barNode, "CallJsFunction2");
 
   CHECK_EQ(1, nativeNode2->GetChildrenCount());
   GetChild(nativeNode2, "foo");
 
   v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
   cpu_profiler->DeleteAllCpuProfiles();
 }