TickProcessor script reimplemented in JavaScript.

tools/codemap.js

 // 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 29 matching lines @@
   /**
    * Dynamic code entries. Used for JIT compiled code.
    */
   this.dynamics_ = new goog.structs.SplayTree();
 
   /**
    * Deleted code entries. Used for code collected by the GC.
    */
   this.deleted_ = [];
 
+  this.dynamicsNameGen_ = new devtools.profiler.CodeMap.NameGenerator();
+
   /**
    * Static code entries. Used for libraries code.
    */
   this.statics_ = new goog.structs.SplayTree();
 
   /**
    * Map of memory pages occupied with static code.
    */
   this.pages_ = [];
 };
@@ skipping 12 matching lines @@
     1 << devtools.profiler.CodeMap.PAGE_ALIGNMENT;
 
 
 /**
  * Adds a dynamic (i.e. moveable and discardable) code entry.
  *
  * @param {number} start The starting address.
  * @param {devtools.profiler.CodeMap.CodeEntry} codeEntry Code entry object.
  */
 devtools.profiler.CodeMap.prototype.addCode = function(start, codeEntry) {
+  var entryName = this.dynamicsNameGen_.getName(codeEntry.name);
+  codeEntry.name = entryName;
   this.dynamics_.insert(start, codeEntry);
 };
 
 
 /**
  * Moves a dynamic code entry. Throws an exception if there is no dynamic
  * code entry with the specified starting address.
  *
  * @param {number} from The starting address of the entry being moved.
  * @param {number} to The destination address.
@@ skipping 105 matching lines @@
 devtools.profiler.CodeMap.CodeEntry = function(size, opt_name) {
   this.size = size;
   this.name = opt_name || '';
 };
 
 
 devtools.profiler.CodeMap.CodeEntry.prototype.getName = function() {
   return this.name;
 };
 
-    
+
 devtools.profiler.CodeMap.CodeEntry.prototype.toString = function() {
   return this.name + ': ' + this.size.toString(16);
 };
+
+
+devtools.profiler.CodeMap.NameGenerator = function() {
+  this.knownNames_ = [];
+};
+
+
+devtools.profiler.CodeMap.NameGenerator.prototype.getName = function(name) {
+  if (!(name in this.knownNames_)) {
+    this.knownNames_[name] = 0;
+    return name;
+  }
+  var count = ++this.knownNames_[name];
+  return name + ' {' + count + '}';
+};