Collect only optimizable function samples....

src/compiler.cc

Index: src/compiler.cc
===================================================================
--- src/compiler.cc	(revision 5946)
+++ src/compiler.cc	(working copy)
@@ -113,6 +113,10 @@
 }
 
 
+static double compilation_time_;

[Kasper Lund, 2010/12/08 14:54:15]

Convert these to statics inside the if (FLAG_trace_opt) { ... } in the
FinishOptimization method? Please initialize them to 0.

+static int compiled_functions_;
+static int code_size_;
+
 static void FinishOptimization(Handle<JSFunction> function, int64_t start) {
   int opt_count = function->shared()->opt_count();
   function->shared()->set_opt_count(opt_count + 1);
@@ -123,6 +127,16 @@
   function->PrintName();
   PrintF(" / %" V8PRIxPTR, reinterpret_cast<intptr_t>(*function));
   PrintF(" - took %0.3f ms]\n", ms);
+
+  compilation_time_ += ms;
+  compiled_functions_++;
+  code_size_ += function->shared()->SourceSize();
+  if (FLAG_trace_opt) {
+    PrintF("Compiled: %d functions with %d byte source size in %fms.\n",
+           compiled_functions_,
+           code_size_,
+           compilation_time_);
+  }
 }