[Tracing] Use TracingCategoryObserver in runtime statistics

src/crankshaft/hydrogen.cc

 // Copyright 2013 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/crankshaft/hydrogen.h"
 
 #include <memory>
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
@@ skipping 8876 matching lines @@
     default:
       // Not yet supported for inlining.
       break;
   }
   return false;
 }
 
 
 bool HOptimizedGraphBuilder::TryInlineApiFunctionCall(Call* expr,
                                                       HValue* receiver) {
-  if (FLAG_runtime_call_stats) return false;
+  if (V8_UNLIKELY(FLAG_runtime_stats)) return false;
   Handle<JSFunction> function = expr->target();
   int argc = expr->arguments()->length();
   SmallMapList receiver_maps;
   return TryInlineApiCall(function, receiver, &receiver_maps, argc, expr->id(),
                           kCallApiFunction, expr->tail_call_mode());
 }
 
 
 bool HOptimizedGraphBuilder::TryInlineApiMethodCall(
     Call* expr,
     HValue* receiver,
     SmallMapList* receiver_maps) {
-  if (FLAG_runtime_call_stats) return false;
+  if (V8_UNLIKELY(FLAG_runtime_stats)) return false;
   Handle<JSFunction> function = expr->target();
   int argc = expr->arguments()->length();
   return TryInlineApiCall(function, receiver, receiver_maps, argc, expr->id(),
                           kCallApiMethod, expr->tail_call_mode());
 }
 
 bool HOptimizedGraphBuilder::TryInlineApiGetter(Handle<Object> function,
                                                 Handle<Map> receiver_map,
                                                 BailoutId ast_id) {
-  if (FLAG_runtime_call_stats) return false;
+  if (V8_UNLIKELY(FLAG_runtime_stats)) return false;
   SmallMapList receiver_maps(1, zone());
   receiver_maps.Add(receiver_map, zone());
   return TryInlineApiCall(function,
                           NULL,  // Receiver is on expression stack.
                           &receiver_maps, 0, ast_id, kCallApiGetter,
                           TailCallMode::kDisallow);
 }
 
 bool HOptimizedGraphBuilder::TryInlineApiSetter(Handle<Object> function,
                                                 Handle<Map> receiver_map,
                                                 BailoutId ast_id) {
   SmallMapList receiver_maps(1, zone());
   receiver_maps.Add(receiver_map, zone());
   return TryInlineApiCall(function,
                           NULL,  // Receiver is on expression stack.
                           &receiver_maps, 1, ast_id, kCallApiSetter,
                           TailCallMode::kDisallow);
 }
 
 bool HOptimizedGraphBuilder::TryInlineApiCall(
     Handle<Object> function, HValue* receiver, SmallMapList* receiver_maps,
     int argc, BailoutId ast_id, ApiCallType call_type,
     TailCallMode syntactic_tail_call_mode) {
-  if (FLAG_runtime_call_stats) return false;
+  if (V8_UNLIKELY(FLAG_runtime_stats)) return false;
   if (function->IsJSFunction() &&
       Handle<JSFunction>::cast(function)->context()->native_context() !=
           top_info()->closure()->context()->native_context()) {
     return false;
   }
   if (argc > CallApiCallbackStub::kArgMax) {
     return false;
   }
 
   CallOptimization optimization(function);
@@ skipping 4080 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8