Reland "Add Chromium-style TimeDelta, Time and TimeTicks classes, and a new ElapsedTimer class."

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 26 matching lines @@
 using i::CodeEntry;
 using i::CpuProfile;
 using i::CpuProfiler;
 using i::CpuProfilesCollection;
 using i::Heap;
 using i::ProfileGenerator;
 using i::ProfileNode;
 using i::ProfilerEventsProcessor;
 using i::ScopedVector;
 using i::SmartPointer;
+using i::TimeDelta;
 using i::Vector;
 
 
 TEST(StartStop) {
   CpuProfilesCollection profiles;
   ProfileGenerator generator(&profiles);
-  SmartPointer<ProfilerEventsProcessor> processor(
-      new ProfilerEventsProcessor(&generator, NULL, 100));
+  SmartPointer<ProfilerEventsProcessor> processor(new ProfilerEventsProcessor(
+          &generator, NULL, TimeDelta::FromMicroseconds(100)));
   processor->Start();
   processor->StopSynchronously();
 }
 
 
 static inline i::Address ToAddress(int n) {
   return reinterpret_cast<i::Address>(n);
 }
 
 static void EnqueueTickSampleEvent(ProfilerEventsProcessor* proc,
@@ skipping 70 matching lines @@
   i::Code* comment_code = CreateCode(&env);
   i::Code* args5_code = CreateCode(&env);
   i::Code* comment2_code = CreateCode(&env);
   i::Code* moved_code = CreateCode(&env);
   i::Code* args3_code = CreateCode(&env);
   i::Code* args4_code = CreateCode(&env);
 
   CpuProfilesCollection* profiles = new CpuProfilesCollection;
   profiles->StartProfiling("", 1, false);
   ProfileGenerator generator(profiles);
-  SmartPointer<ProfilerEventsProcessor> processor(
-      new ProfilerEventsProcessor(&generator, NULL, 100));
+  SmartPointer<ProfilerEventsProcessor> processor(new ProfilerEventsProcessor(
+          &generator, NULL, TimeDelta::FromMicroseconds(100)));
   processor->Start();
   CpuProfiler profiler(isolate, profiles, &generator, *processor);
 
   // Enqueue code creation events.
   const char* aaa_str = "aaa";
   i::Handle<i::String> aaa_name = factory->NewStringFromAscii(
       i::Vector<const char>(aaa_str, i::StrLength(aaa_str)));
   profiler.CodeCreateEvent(i::Logger::FUNCTION_TAG, aaa_code, *aaa_name);
   profiler.CodeCreateEvent(i::Logger::BUILTIN_TAG, comment_code, "comment");
   profiler.CodeCreateEvent(i::Logger::STUB_TAG, args5_code, 5);
@@ skipping 40 matching lines @@
   i::Isolate* isolate = i::Isolate::Current();
   i::HandleScope scope(isolate);
 
   i::Code* frame1_code = CreateCode(&env);
   i::Code* frame2_code = CreateCode(&env);
   i::Code* frame3_code = CreateCode(&env);
 
   CpuProfilesCollection* profiles = new CpuProfilesCollection;
   profiles->StartProfiling("", 1, false);
   ProfileGenerator generator(profiles);
-  SmartPointer<ProfilerEventsProcessor> processor(
-      new ProfilerEventsProcessor(&generator, NULL, 100));
+  SmartPointer<ProfilerEventsProcessor> processor(new ProfilerEventsProcessor(
+          &generator, NULL, TimeDelta::FromMicroseconds(100)));
   processor->Start();
   CpuProfiler profiler(isolate, profiles, &generator, *processor);
 
   profiler.CodeCreateEvent(i::Logger::BUILTIN_TAG, frame1_code, "bbb");
   profiler.CodeCreateEvent(i::Logger::STUB_TAG, frame2_code, 5);
   profiler.CodeCreateEvent(i::Logger::BUILTIN_TAG, frame3_code, "ddd");
 
   EnqueueTickSampleEvent(*processor, frame1_code->instruction_start());
   EnqueueTickSampleEvent(
       *processor,
@@ skipping 47 matching lines @@
   TestSetup test_setup;
   LocalContext env;
   i::Isolate* isolate = i::Isolate::Current();
   i::HandleScope scope(isolate);
 
   i::Code* code = CreateCode(&env);
 
   CpuProfilesCollection* profiles = new CpuProfilesCollection;
   profiles->StartProfiling("", 1, false);
   ProfileGenerator generator(profiles);
-  SmartPointer<ProfilerEventsProcessor> processor(
-      new ProfilerEventsProcessor(&generator, NULL, 100));
+  SmartPointer<ProfilerEventsProcessor> processor(new ProfilerEventsProcessor(
+          &generator, NULL, TimeDelta::FromMicroseconds(100)));
   processor->Start();
   CpuProfiler profiler(isolate, profiles, &generator, *processor);
 
   profiler.CodeCreateEvent(i::Logger::BUILTIN_TAG, code, "bbb");
 
   i::TickSample* sample = processor->StartTickSample();
   sample->pc = code->address();
   sample->tos = 0;
   sample->frames_count = i::TickSample::kMaxFramesCount;
   for (int i = 0; i < sample->frames_count; ++i) {
@@ skipping 124 matching lines @@
   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");
 
@@ skipping 935 matching lines @@
   CHECK_EQ(0, programNode->GetChildrenCount());
   CHECK_GE(programNode->GetHitCount(), 3);
 
   const v8::CpuProfileNode* idleNode =
       GetChild(root, ProfileGenerator::kIdleEntryName);
   CHECK_EQ(0, idleNode->GetChildrenCount());
   CHECK_GE(idleNode->GetHitCount(), 3);
 
   cpu_profiler->DeleteAllCpuProfiles();
 }