| <!DOCTYPE html> |
| <html> |
| <!-- |
| Copyright 2010 The Closure Library Authors. All Rights Reserved. |
| |
| Use of this source code is governed by the Apache License, Version 2.0. |
| See the COPYING file for details. |
| --> |
| <head> |
| <title>goog.debug.Tracer</title> |
| <script type="text/javascript" src="../base.js"></script> |
| <script type="text/javascript"> |
| goog.require('goog.debug.Trace'); |
| </script> |
| <style class="text/css"> |
| body { |
| font: normal small arial,helvetica; |
| } |
| |
| |
| </style> |
| </head> |
| <body> |
| |
| <div id="output" style="font-family:courier new,fixed"> |
| |
| </div> |
| |
| <script type="text/javascript"> |
| function normalTracer() { |
| goog.debug.Trace.initCurrentTrace(0); |
| var tracer = goog.debug.Trace.startTracer('Outer Loop'); |
| var sum = 0; |
| for (var i = 0; i < 15; i++) { |
| sum = 0; |
| var t2 = goog.debug.Trace.startTracer('Run ' + i); |
| for (var j = 0; j < 50000; j++) { |
| sum += j * i; |
| } |
| goog.debug.Trace.addComment('after'); |
| goog.debug.Trace.stopTracer(t2); |
| } |
| goog.debug.Trace.stopTracer(tracer); |
| |
| var s = goog.debug.Trace.toString(); |
| var outputElt = document.getElementById('output'); |
| outputElt.innerHTML = goog.string.whitespaceEscape( |
| goog.string.htmlEscape(s)); |
| } |
| |
| function tooManyTracers() { |
| goog.debug.Trace.initCurrentTrace(0); |
| var tracer = goog.debug.Trace.startTracer('Outer Loop'); |
| var sum = 0; |
| for (var i = 0; i < 1000; i++) { |
| var t2 = goog.debug.Trace.startTracer('Run ' + i); |
| goog.debug.Trace.stopTracer(t2); |
| } |
| goog.debug.Trace.stopTracer(tracer); |
| |
| var s = goog.debug.Trace.toString(); |
| var outputElt = document.getElementById('output'); |
| outputElt.innerHTML = goog.string.whitespaceEscape( |
| goog.string.htmlEscape(s)); |
| } |
| |
| function unstoppedTracers() { |
| goog.debug.Trace.initCurrentTrace(0); |
| var tracer = goog.debug.Trace.startTracer('Outer Loop'); |
| var sum = 0; |
| for (var i = 0; i < 10; i++) { |
| var t2 = goog.debug.Trace.startTracer('Run ' + i); |
| if (i != 5) { |
| goog.debug.Trace.stopTracer(t2); |
| } |
| } |
| goog.debug.Trace.stopTracer(tracer); |
| |
| var s = goog.debug.Trace.toString(); |
| var outputElt = document.getElementById('output'); |
| outputElt.innerHTML = goog.string.whitespaceEscape( |
| goog.string.htmlEscape(s)); |
| } |
| |
| unstoppedTracers(); |
| |
| </script> |
| |
| |
| |
| </body> |
| </html> |
