[counters] Annotate v8 with more runtime call counters.

src/parsing/parser.cc

Index: src/parsing/parser.cc
diff --git a/src/parsing/parser.cc b/src/parsing/parser.cc
index 3fa6b27451d3db083677117ede77cd0024ad7a8d..a1feed899bac6e15cefd9fd56525d6ba18467144 100644
--- a/src/parsing/parser.cc
+++ b/src/parsing/parser.cc
@@ -820,6 +820,7 @@ FunctionLiteral* Parser::ParseProgram(Isolate* isolate, ParseInfo* info) {
   DCHECK(parsing_on_main_thread_);
 
   HistogramTimerScope timer_scope(isolate->counters()->parse(), true);
+  RuntimeCallTimerScope runtimeTimer(isolate, &RuntimeCallStats::Parse);

[adamk, 2016/05/12 20:44:49]

Naming nit: this should be runtime_timer

   TRACE_EVENT0("v8", "V8.Parse");
   Handle<String> source(String::cast(info->script()->source()));
   isolate->counters()->total_parse_size()->Increment(source->length());
@@ -984,6 +985,7 @@ FunctionLiteral* Parser::ParseLazy(Isolate* isolate, ParseInfo* info) {
   // It's OK to use the Isolate & counters here, since this function is only
   // called in the main thread.
   DCHECK(parsing_on_main_thread_);
+  RuntimeCallTimerScope runtimeTimer(isolate, &RuntimeCallStats::ParseLazy);

[adamk, 2016/05/12 20:44:49]

and here

   HistogramTimerScope timer_scope(isolate->counters()->parse_lazy());
   TRACE_EVENT0("v8", "V8.ParseLazy");
   Handle<String> source(String::cast(info->script()->source()));