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

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 9e7592ee765f4daf56db7140009b1728644d01ec..2583c32d39363036f85f9fb5b158f0068c4c549b 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -736,6 +736,8 @@ bool GetOptimizedCodeNow(CompilationJob* job) {
   TimerEventScope<TimerEventRecompileSynchronous> timer(isolate);
   RuntimeCallTimerScope runtimeTimer(isolate,
                                      &RuntimeCallStats::RecompileSynchronous);
+  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"),
+               "V8.RecompileSynchronous");
   TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
       isolate, &tracing::TraceEventStatsTable::RecompileSynchronous);
 
@@ -791,6 +793,8 @@ bool GetOptimizedCodeLater(CompilationJob* job) {
   TimerEventScope<TimerEventRecompileSynchronous> timer(info->isolate());
   RuntimeCallTimerScope runtimeTimer(info->isolate(),
                                      &RuntimeCallStats::RecompileSynchronous);
+  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"),
+               "V8.RecompileSynchronous");
   TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
       isolate, &tracing::TraceEventStatsTable::RecompileSynchronous);
 
@@ -869,6 +873,7 @@ MaybeHandle<Code> GetOptimizedCode(Handle<JSFunction> function,
 
   TimerEventScope<TimerEventOptimizeCode> optimize_code_timer(isolate);
   RuntimeCallTimerScope runtimeTimer(isolate, &RuntimeCallStats::OptimizeCode);
+  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), "V8.OptimizeCode");
   TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
       isolate, &tracing::TraceEventStatsTable::OptimizeCode);
 
@@ -925,6 +930,8 @@ CompilationJob::Status FinalizeOptimizedCompilationJob(CompilationJob* job) {
   TimerEventScope<TimerEventRecompileSynchronous> timer(info->isolate());
   RuntimeCallTimerScope runtimeTimer(isolate,
                                      &RuntimeCallStats::RecompileSynchronous);
+  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"),
+               "V8.RecompileSynchronous");
   TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
       isolate, &tracing::TraceEventStatsTable::RecompileSynchronous);
 
@@ -1142,6 +1149,7 @@ MaybeHandle<Code> GetLazyCode(Handle<JSFunction> function) {
   TimerEventScope<TimerEventCompileCode> compile_timer(isolate);
   RuntimeCallTimerScope runtimeTimer(isolate,
                                      &RuntimeCallStats::CompileCodeLazy);
+  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), "V8.CompileCode");
   TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
       isolate, &tracing::TraceEventStatsTable::CompileCodeLazy);
   AggregatedHistogramTimerScope timer(isolate->counters()->compile_lazy());
@@ -1204,6 +1212,7 @@ Handle<SharedFunctionInfo> CompileToplevel(CompilationInfo* info) {
   Isolate* isolate = info->isolate();
   TimerEventScope<TimerEventCompileCode> timer(isolate);
   RuntimeCallTimerScope runtimeTimer(isolate, &RuntimeCallStats::CompileCode);
+  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), "V8.CompileCode");
   TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
       isolate, &tracing::TraceEventStatsTable::CompileCode);
   PostponeInterruptsScope postpone(isolate);
@@ -1278,6 +1287,8 @@ Handle<SharedFunctionInfo> CompileToplevel(CompilationInfo* info) {
                                ? info->isolate()->counters()->compile_eval()
                                : info->isolate()->counters()->compile();
     HistogramTimerScope timer(rate);
+    TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"),
+                 parse_info->is_eval() ? "V8.CompileEval" : "V8.Compile");
     TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
         isolate,
         (parse_info->is_eval() ? &tracing::TraceEventStatsTable::CompileEval
@@ -1764,6 +1775,8 @@ Handle<SharedFunctionInfo> Compiler::GetSharedFunctionInfoForScript(
       HistogramTimerScope timer(isolate->counters()->compile_deserialize());
       RuntimeCallTimerScope runtimeTimer(isolate,
                                          &RuntimeCallStats::CompileDeserialize);
+      TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"),
+                   "V8.CompileDeserialize");
       TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
           isolate, &tracing::TraceEventStatsTable::CompileDeserialize);
       Handle<SharedFunctionInfo> result;
@@ -1838,6 +1851,8 @@ Handle<SharedFunctionInfo> Compiler::GetSharedFunctionInfoForScript(
             isolate->counters()->compile_serialize());
         RuntimeCallTimerScope runtimeTimer(isolate,
                                            &RuntimeCallStats::CompileSerialize);
+        TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"),
+                     "V8.CompileSerialize");
         TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
             isolate, &tracing::TraceEventStatsTable::CompileSerialize);
         *cached_data = CodeSerializer::Serialize(isolate, result, source);
@@ -1957,6 +1972,7 @@ Handle<SharedFunctionInfo> Compiler::GetSharedFunctionInfo(
   // Generate code
   TimerEventScope<TimerEventCompileCode> timer(isolate);
   RuntimeCallTimerScope runtimeTimer(isolate, &RuntimeCallStats::CompileCode);
+  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), "V8.CompileCode");
   TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED(
       isolate, &tracing::TraceEventStatsTable::CompileCode);