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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <limits> | 5 #include <limits> |
6 | 6 |
7 #include "chrome/browser/jankometer.h" | 7 #include "chrome/browser/jankometer.h" |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "base/command_line.h" | 10 #include "base/command_line.h" |
11 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
12 #include "base/message_loop.h" | 12 #include "base/message_loop.h" |
13 #include "base/metrics/histogram.h" | 13 #include "base/metrics/histogram.h" |
14 #include "base/metrics/stats_counters.h" | 14 #include "base/metrics/stats_counters.h" |
15 #include "base/string_util.h" | 15 #include "base/string_util.h" |
16 #include "base/threading/thread.h" | 16 #include "base/threading/thread.h" |
17 #include "base/threading/watchdog.h" | 17 #include "base/threading/watchdog.h" |
18 #include "base/time.h" | 18 #include "base/time.h" |
19 #include "build/build_config.h" | 19 #include "build/build_config.h" |
20 #include "chrome/browser/browser_process.h" | 20 #include "chrome/browser/browser_process.h" |
21 #include "chrome/common/chrome_switches.h" | 21 #include "chrome/common/chrome_switches.h" |
22 #include "content/public/browser/browser_thread.h" | 22 #include "content/public/browser/browser_thread.h" |
23 | 23 |
24 #if defined(TOOLKIT_USES_GTK) | 24 #if defined(TOOLKIT_USES_GTK) |
25 #include "chrome/browser/ui/gtk/gtk_util.h" | 25 #include "chrome/browser/ui/gtk/gtk_util.h" |
26 #endif | 26 #endif |
27 | 27 |
28 using base::TimeDelta; | 28 using base::TimeDelta; |
29 using base::TimeTicks; | 29 using base::TimeTicks; |
| 30 using content::BrowserThread; |
30 | 31 |
31 namespace { | 32 namespace { |
32 | 33 |
33 // The maximum threshold of delay of the message before considering it a delay. | 34 // The maximum threshold of delay of the message before considering it a delay. |
34 // For a debug build, you may want to set IO delay around 500ms. | 35 // For a debug build, you may want to set IO delay around 500ms. |
35 // For a release build, setting it around 350ms is sensible. | 36 // For a release build, setting it around 350ms is sensible. |
36 // Visit about:histograms to see what the distribution is on your system, with | 37 // Visit about:histograms to see what the distribution is on your system, with |
37 // your build. Be sure to do some work to get interesting stats. | 38 // your build. Be sure to do some work to get interesting stats. |
38 // The numbers below came from a warm start (you'll get about 5-10 alarms with | 39 // The numbers below came from a warm start (you'll get about 5-10 alarms with |
39 // a cold start), and running the page-cycler for 5 rounds. | 40 // a cold start), and running the page-cycler for 5 rounds. |
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418 delete ui_observer; | 419 delete ui_observer; |
419 ui_observer = NULL; | 420 ui_observer = NULL; |
420 } | 421 } |
421 if (io_observer) { | 422 if (io_observer) { |
422 // IO thread can't be running when we remove observers. | 423 // IO thread can't be running when we remove observers. |
423 DCHECK((!g_browser_process) || !(g_browser_process->io_thread())); | 424 DCHECK((!g_browser_process) || !(g_browser_process->io_thread())); |
424 delete io_observer; | 425 delete io_observer; |
425 io_observer = NULL; | 426 io_observer = NULL; |
426 } | 427 } |
427 } | 428 } |
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