jankometer.h revision 3345a6884c488ff3a535c2c9acdd33d74b37e311 
1// Copyright (c) 2009 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#ifndef CHROME_BROWSER_JANKOMETER_H_
6#define CHROME_BROWSER_JANKOMETER_H_
7#pragma once
8
9class CommandLine;
10
11// The Jank-O-Meter measures jankyness, which is user-perceivable lag in
12// responsiveness of the application.
13//
14// It will log such "lag" events to the metrics log.
15//
16// This function will initialize the service, which will install itself in
17// critical threads. It should be called on the UI thread.
18void InstallJankometer(const CommandLine& parsed_command_line);
19
20// Clean up Jank-O-Meter junk
21void UninstallJankometer();
22
23#endif  // CHROME_BROWSER_JANKOMETER_H_
24