Add an API for additional profile log records

tools/profile.js

Index: tools/profile.js
===================================================================
--- tools/profile.js	(revision 16936)
+++ tools/profile.js	(working copy)
@@ -36,6 +36,7 @@
   this.codeMap_ = new CodeMap();
   this.topDownTree_ = new CallTree();
   this.bottomUpTree_ = new CallTree();
+  this.generatedCode = 0;
 };
 
 
@@ -134,6 +135,7 @@
  */
 Profile.prototype.addCode = function(
     type, name, start, size) {
+  this.generatedCode += size;
   var entry = new Profile.DynamicCodeEntry(size, type, name);
   this.codeMap_.addCode(start, entry);
   return entry;
@@ -154,6 +156,7 @@
     type, name, start, size, funcAddr, state) {
   // As code and functions are in the same address space,
   // it is safe to put them in a single code map.
+  this.generatedCode += size;
   var func = this.codeMap_.findDynamicEntryByStartAddress(funcAddr);
   if (!func) {
     func = new Profile.FunctionEntry(name);