Add global setup for runtime profiler.

src/v8.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 186 matching lines @@
 
   if (Serializer::enabled()) {
     use_crankshaft_ = false;
   }
 
   CPU::Setup();
   if (!CPU::SupportsCrankshaft()) {
     use_crankshaft_ = false;
   }
 
+  RuntimeProfiler::GlobalSetup();
+
   // Peephole optimization might interfere with deoptimization.
   FLAG_peephole_optimization = !use_crankshaft_;
 }
 
 } }  // namespace v8::internal