Make event names of TRACE_EVENT_SAMPLING_STATE macros more descriptive

Source/bindings/v8/V8ScriptRunner.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 21 matching lines @@
 #include "core/dom/ExecutionContext.h"
 #include "core/fetch/CachedMetadata.h"
 #include "core/fetch/ScriptResource.h"
 #include "platform/TraceEvent.h"
 
 namespace WebCore {
 
 PassOwnPtr<v8::ScriptData> V8ScriptRunner::precompileScript(v8::Handle<v8::String> code, ScriptResource* resource)
 {
     TRACE_EVENT0("v8", "v8.compile");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "Compile");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Compile");
     // A pseudo-randomly chosen ID used to store and retrieve V8 ScriptData from
     // the ScriptResource. If the format changes, this ID should be changed too.
     static const unsigned dataTypeID = 0xECC13BD7;
 
     // Very small scripts are not worth the effort to preparse.
     static const int minPreparseLength = 1024;
 
     if (!resource || code->Length() < minPreparseLength)
         return nullptr;
 
     CachedMetadata* cachedMetadata = resource->cachedMetadata(dataTypeID);
     if (cachedMetadata)
         return adoptPtr(v8::ScriptData::New(cachedMetadata->data(), cachedMetadata->size()));
 
     OwnPtr<v8::ScriptData> scriptData = adoptPtr(v8::ScriptData::PreCompile(code));
     if (!scriptData)
         return nullptr;
 
     resource->setCachedMetadata(dataTypeID, scriptData->Data(), scriptData->Length());
 
     return scriptData.release();
 }
 
 v8::Local<v8::Script> V8ScriptRunner::compileScript(v8::Handle<v8::String> code, const String& fileName, const TextPosition& scriptStartPosition, v8::ScriptData* scriptData, v8::Isolate* isolate, AccessControlStatus corsStatus)
 {
     TRACE_EVENT0("v8", "v8.compile");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "Compile");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Compile");
     v8::Handle<v8::String> name = v8String(isolate, fileName);
     v8::Handle<v8::Integer> line = v8::Integer::New(isolate, scriptStartPosition.m_line.zeroBasedInt());
     v8::Handle<v8::Integer> column = v8::Integer::New(isolate, scriptStartPosition.m_column.zeroBasedInt());
     v8::Handle<v8::Boolean> isSharedCrossOrigin = corsStatus == SharableCrossOrigin ? v8::True(isolate) : v8::False(isolate);
     v8::ScriptOrigin origin(name, line, column, isSharedCrossOrigin);
     return v8::Script::Compile(code, &origin, scriptData);
 }
 
 v8::Local<v8::Value> V8ScriptRunner::runCompiledScript(v8::Handle<v8::Script> script, ExecutionContext* context, v8::Isolate* isolate)
 {
     TRACE_EVENT0("v8", "v8.run");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Execution");
     if (script.IsEmpty())
         return v8::Local<v8::Value>();
 
     if (V8RecursionScope::recursionLevel() >= kMaxRecursionDepth)
         return handleMaxRecursionDepthExceeded(isolate);
 
     if (handleOutOfMemory())
         return v8::Local<v8::Value>();
 
     RELEASE_ASSERT(!context->isIteratingOverObservers());
@@ skipping 11 matching lines @@
     if (result.IsEmpty())
         return v8::Local<v8::Value>();
 
     crashIfV8IsDead();
     return result;
 }
 
 v8::Local<v8::Value> V8ScriptRunner::compileAndRunInternalScript(v8::Handle<v8::String> source, v8::Isolate* isolate, const String& fileName, const TextPosition& scriptStartPosition, v8::ScriptData* scriptData)
 {
     TRACE_EVENT0("v8", "v8.run");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Execution");
     v8::Handle<v8::Script> script = V8ScriptRunner::compileScript(source, fileName, scriptStartPosition, scriptData, isolate);
     if (script.IsEmpty())
         return v8::Local<v8::Value>();
 
     V8RecursionScope::MicrotaskSuppression recursionScope;
     v8::Local<v8::Value> result = script->Run();
     crashIfV8IsDead();
     return result;
 }
 
 v8::Local<v8::Value> V8ScriptRunner::callFunction(v8::Handle<v8::Function> function, ExecutionContext* context, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> info[], v8::Isolate* isolate)
 {
     TRACE_EVENT0("v8", "v8.callFunction");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Execution");
 
     if (V8RecursionScope::recursionLevel() >= kMaxRecursionDepth)
         return handleMaxRecursionDepthExceeded(isolate);
 
     RELEASE_ASSERT(!context->isIteratingOverObservers());
 
     V8RecursionScope recursionScope(context);
     v8::Local<v8::Value> result = function->Call(receiver, argc, info);
     crashIfV8IsDead();
     return result;
 }
 
 v8::Local<v8::Value> V8ScriptRunner::callInternalFunction(v8::Handle<v8::Function> function, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> info[], v8::Isolate* isolate)
 {
     TRACE_EVENT0("v8", "v8.callFunction");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Execution");
     V8RecursionScope::MicrotaskSuppression recursionScope;
     v8::Local<v8::Value> result = function->Call(receiver, argc, info);
     crashIfV8IsDead();
     return result;
 }
 
 v8::Local<v8::Value> V8ScriptRunner::callAsFunction(v8::Handle<v8::Object> object, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> info[])
 {
     TRACE_EVENT0("v8", "v8.callFunction");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Execution");
 
     V8RecursionScope::MicrotaskSuppression recursionScope;
     v8::Local<v8::Value> result = object->CallAsFunction(receiver, argc, info);
     crashIfV8IsDead();
     return result;
 }
 
 v8::Local<v8::Value> V8ScriptRunner::callAsConstructor(v8::Handle<v8::Object> object, int argc, v8::Handle<v8::Value> info[])
 {
     TRACE_EVENT0("v8", "v8.callFunction");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Execution");
 
     V8RecursionScope::MicrotaskSuppression recursionScope;
     v8::Local<v8::Value> result = object->CallAsConstructor(argc, info);
     crashIfV8IsDead();
     return result;
 }
 
 v8::Local<v8::Object> V8ScriptRunner::instantiateObject(v8::Handle<v8::ObjectTemplate> objectTemplate)
 {
     TRACE_EVENT0("v8", "v8.newInstance");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Execution");
 
     V8RecursionScope::MicrotaskSuppression scope;
     v8::Local<v8::Object> result = objectTemplate->NewInstance();
     crashIfV8IsDead();
     return result;
 }
 
 v8::Local<v8::Object> V8ScriptRunner::instantiateObject(v8::Handle<v8::Function> function, int argc, v8::Handle<v8::Value> argv[])
 {
     TRACE_EVENT0("v8", "v8.newInstance");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Execution");
 
     V8RecursionScope::MicrotaskSuppression scope;
     v8::Local<v8::Object> result = function->NewInstance(argc, argv);
     crashIfV8IsDead();
     return result;
 }
 
 v8::Local<v8::Object> V8ScriptRunner::instantiateObjectInDocument(v8::Handle<v8::Function> function, ExecutionContext* context, int argc, v8::Handle<v8::Value> argv[])
 {
     TRACE_EVENT0("v8", "v8.newInstance");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "Execution");
+    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Execution");
     V8RecursionScope scope(context);
     v8::Local<v8::Object> result = function->NewInstance(argc, argv);
     crashIfV8IsDead();
     return result;
 }
 
 } // namespace WebCore