[Tracing] Embed V8 runtime call stats into tracing.

src/execution.cc

 // Copyright 2014 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/execution.h"
 
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/isolate-inl.h"
 #include "src/messages.h"
@@ skipping 116 matching lines @@
 
     // Call the function through the right JS entry stub.
     Object* orig_func = *new_target;
     Object* func = *target;
     Object* recv = *receiver;
     Object*** argv = reinterpret_cast<Object***>(args);
     if (FLAG_profile_deserialization && target->IsJSFunction()) {
       PrintDeserializedCodeInfo(Handle<JSFunction>::cast(target));
     }
     RuntimeCallTimerScope timer(isolate, &RuntimeCallStats::JS_Execution);
+    TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
+        isolate, &tracing::TraceEventStatsTable::JS_Execution);
     value = CALL_GENERATED_CODE(isolate, stub_entry, orig_func, func, recv,
                                 argc, argv);
   }
 
 #ifdef VERIFY_HEAP
   if (FLAG_verify_heap) {
     value->ObjectVerify();
   }
 #endif
 
@@ skipping 351 matching lines @@
 
   isolate_->counters()->stack_interrupts()->Increment();
   isolate_->counters()->runtime_profiler_ticks()->Increment();
   isolate_->runtime_profiler()->MarkCandidatesForOptimization();
 
   return isolate_->heap()->undefined_value();
 }
 
 }  // namespace internal
 }  // namespace v8