Move compile and parse trace events to a separate category.

src/optimizing-compile-dispatcher.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/optimizing-compile-dispatcher.h"
 
 #include "src/base/atomicops.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/isolate.h"
 #include "src/tracing/trace-event.h"
@@ skipping 34 matching lines @@
   // v8::Task overrides.
   void Run() override {
     DisallowHeapAllocation no_allocation;
     DisallowHandleAllocation no_handles;
     DisallowHandleDereference no_deref;
 
     OptimizingCompileDispatcher* dispatcher =
         isolate_->optimizing_compile_dispatcher();
     {
       TimerEventScope<TimerEventRecompileConcurrent> timer(isolate_);
-      TRACE_EVENT0("v8", "V8.RecompileConcurrent");
+
+      TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"),
+                   "V8.RecompileConcurrent");
 
       if (dispatcher->recompilation_delay_ != 0) {
         base::OS::Sleep(base::TimeDelta::FromMilliseconds(
             dispatcher->recompilation_delay_));
       }
 
       dispatcher->CompileNext(dispatcher->NextInput(true));
     }
     {
       base::LockGuard<base::Mutex> lock_guard(&dispatcher->ref_count_mutex_);
@@ skipping 151 matching lines @@
   while (blocked_jobs_ > 0) {
     V8::GetCurrentPlatform()->CallOnBackgroundThread(
         new CompileTask(isolate_), v8::Platform::kShortRunningTask);
     blocked_jobs_--;
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8