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PRESUBMIT.py | 08-Oct-2015 | 768 | |
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tracing/ | 08-Oct-2015 |
1 <!-- Copyright 2015 The Chromium Authors. All rights reserved. 2 Use of this source code is governed by a BSD-style license that can be 3 found in the LICENSE file. 4 --> 5 [![Build Status](https://travis-ci.org/google/trace-viewer.svg?branch=master)](https://travis-ci.org/google/trace-viewer) 6 7 ![Trace Viewer Logo](https://raw.githubusercontent.com/google/trace-viewer/master/tracing/images/trace-viewer-circle-blue.png) 8 9 Trace-Viewer is the javascript frontend for Chrome [about:tracing](http://dev.chromium.org/developers/how-tos/trace-event-profiling-tool) and [Android 10 systrace](http://developer.android.com/tools/help/systrace.html). 11 12 It provides rich analysis and visualization capabilities for many types of trace 13 files. Its particularly good at viewing linux kernel traces (aka [ftrace](https://www.kernel.org/doc/Documentation/trace/ftrace.txt)) and Chrome's 14 [trace_event format](https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU/preview). Trace viewer can be [embedded](https://github.com/google/trace-viewer/wiki/Embedding) as a component in your own code, or used from a plain checkout to turn trace files into standalone, emailable HTML files from the commandline: 15 16 ./tracing/trace2html my_trace.json --output=my_trace.html && open my_trace.html 17 18 Its easy to [extend trace viewer](https://github.com/google/trace-viewer/wiki/ExtendingAndCustomizing) to support your favorite trace format, or add domain specific visualizations to the UI to simplify drilling down into complex data. 19 20 Contributing, quick version 21 =========================================================================== 22 We welcome contributions! To hack on this code, from toplevel: 23 ./tracing/run_dev_server 24 25 In any browser, navigate to 26 http://localhost:8003/ 27 28 To run all python unittests: 29 ./tracing/run_py_tests 30 31 To run all tracing unittests in d8 environment: 32 ./tracing/run_d8_tests 33 34 To run all the unittests, you can also do: 35 36 ./tracing/run_tests 37 38 Make sure tests pass before sending us changelist. **We use rietveld for codereview**. For more details, esp on rietveld, [read our contributing guide](https://github.com/google/trace-viewer/wiki/Contributing) or check out the [trace viewer wiki](https://github.com/google/trace-viewer/wiki). 39 40 Contact Us 41 =========================================================================== 42 Join our Google Groups: 43 * [trace-viewer](https://groups.google.com/forum/#!forum/trace-viewer) 44 * [trace-viewer-bugs](https://groups.google.com/forum/#!forum/trace-viewer-bugs) 45 * [tracing (a] chromium.org](https://groups.google.com/a/chromium.org/forum/#!forum/tracing) (for c++ backend code) 46