[Tracing] Re-add trace-events used by metrics accidentally removed.

src/interpreter/interpreter.cc

 // Copyright 2015 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/interpreter/interpreter.h"
 
 #include <fstream>
 #include <memory>
 
 #include "src/ast/prettyprinter.h"
@@ skipping 162 matching lines @@
 
   return SUCCEEDED;
 }
 
 InterpreterCompilationJob::Status InterpreterCompilationJob::ExecuteJobImpl() {
   // TODO(5203): These timers aren't thread safe, move to using the CompilerJob
   // timers.
   RuntimeCallTimerScope runtimeTimer(info()->isolate(),
                                      &RuntimeCallStats::CompileIgnition);
   TimerEventScope<TimerEventCompileIgnition> timer(info()->isolate());
+  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), "V8.CompileIgnition");
   TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
       info()->isolate(), &tracing::TraceEventStatsTable::CompileIgnition);
 
   generator()->GenerateBytecode(stack_limit());
 
   if (generator()->HasStackOverflow()) {
     return FAILED;
   }
   return SUCCEEDED;
 }
@@ skipping 2193 matching lines @@
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
       __ SmiTag(new_state));
   __ SetAccumulator(old_state);
 
   __ Dispatch();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8