Add more detailed timers of the various compilation passes. The...

src/codegen.cc

 // Copyright 2009 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 143 matching lines @@
 
   // Generate code.
   const int initial_buffer_size = 4 * KB;
   CodeGenerator cgen(initial_buffer_size, script, is_eval);
   cgen.GenCode(flit);
   if (cgen.HasStackOverflow()) {
     ASSERT(!Top::has_pending_exception());
     return Handle<Code>::null();
   }
 
-  // Allocate and install the code.
+  // Allocate and install the code.  Time the rest of this function as
+  // code creation.
+  HistogramTimerScope timer(&Counters::code_creation);
   CodeDesc desc;
   cgen.masm()->GetCode(&desc);
   ScopeInfo<> sinfo(flit->scope());
   Code::Flags flags = Code::ComputeFlags(Code::FUNCTION);
   Handle<Code> code = Factory::NewCode(desc,
                                        &sinfo,
                                        flags,
                                        cgen.masm()->CodeObject());
 
   // Add unresolved entries in the code to the fixup list.
@@ skipping 452 matching lines @@
 void ArgumentsAccessStub::Generate(MacroAssembler* masm) {
   switch (type_) {
     case READ_LENGTH: GenerateReadLength(masm); break;
     case READ_ELEMENT: GenerateReadElement(masm); break;
     case NEW_OBJECT: GenerateNewObject(masm); break;
   }
 }
 
 
 } }  // namespace v8::internal