| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| |
| <link rel="import" href="/tracing/base/event.html"> |
| <link rel="import" href="/tracing/base/iteration_helpers.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Some generic slice titles appear very frequently in traces, |
| * like MessageLoop::RunTask. Some of these slices have arguments that give |
| * useful context. This class combine such arguments with the slice title to |
| * generate a more useful title. |
| */ |
| tr.exportTo('tr.e.chrome', function() { |
| function SliceTitleFixer() { |
| } |
| |
| // AsyncSlice uses virtual functions to accomplish something similar to what |
| // we're doing here. If this function ever becomes too complex we may consider |
| // using a similar pattern. |
| SliceTitleFixer.fromEvent = function(event) { |
| if (event.args && event.args['src_func']) |
| return event.title + ' <- ' + event.args['src_func']; |
| return event.title; |
| }; |
| |
| return { |
| SliceTitleFixer: SliceTitleFixer |
| }; |
| }); |
| </script> |
