- Added ability to call histograms from within v8...

src/compiler.cc

 // Copyright 2006-2008 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 92 matching lines @@
 
   // Check for parse errors.
   if (lit == NULL) {
     ASSERT(Top::has_pending_exception());
     return Handle<JSFunction>::null();
   }
 
   // Measure how long it takes to do the compilation; only take the
   // rest of the function into account to avoid overlap with the
   // parsing statistics.
-  StatsRate* rate = is_eval
+  HistogramTimer* rate = is_eval
       ? &Counters::compile_eval
       : &Counters::compile;
-  StatsRateScope timer(rate);
+  HistogramTimerScope timer(rate);
 
   // Compile the code.
   Handle<Code> code = MakeCode(lit, script, context, is_eval);
 
   // Check for stack-overflow exceptions.
   if (code.is_null()) {
     Top::StackOverflow();
     return Handle<JSFunction>::null();
   }
 
@@ skipping 166 matching lines @@
     ASSERT(Top::has_pending_exception());
     return false;
   }
 
   // Update the loop nesting in the function literal.
   lit->set_loop_nesting(loop_nesting);
 
   // Measure how long it takes to do the lazy compilation; only take
   // the rest of the function into account to avoid overlap with the
   // lazy parsing statistics.
-  StatsRateScope timer(&Counters::compile_lazy);
+  HistogramTimerScope timer(&Counters::compile_lazy);
 
   // Compile the code.
   Handle<Code> code = MakeCode(lit, script, Handle<Context>::null(), false);
 
   // Check for stack-overflow exception.
   if (code.is_null()) {
     Top::StackOverflow();
     return false;
   }
 
@@ skipping 27 matching lines @@
   // Set the expected number of properties for instances.
   SetExpectedNofPropertiesFromEstimate(shared, lit->expected_property_count());
 
   // Check the function has compiled code.
   ASSERT(shared->is_compiled());
   return true;
 }
 
 
 } }  // namespace v8::internal