chrome/browser/jankometer.h

   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
   8 namespace base {
   9 class CommandLine;
  10 }
  11
  12 // The Jank-O-Meter measures jankyness, which is user-perceivable lag in
  13 // responsiveness of the application.
  14 //
  15 // It will log such "lag" events to the metrics log.
  16 //
  17 // This function will initialize the service, which will install itself in
  18 // critical threads. It should be called on the UI thread.
  19 void InstallJankometer(const base::CommandLine& parsed_command_line);
  20
  21 // Clean up Jank-O-Meter junk
  22 void UninstallJankometer();
  23
  24 #endif  // CHROME_BROWSER_JANKOMETER_H_