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25134bc800
xpcom/threads/CPUUsageWatcher.cpp:43:23: error: unused variable 'kCPUCheckInterval' [-Werror,-Wunused-const-variable] xpcom/threads/CPUUsageWatcher.cpp:109:23: error: unused variable 'kCPUCheckInterval' [-Werror,-Wunused-const-variable] xpcom/threads/InputEventStatistics.cpp:18:5: error: use of undeclared identifier 'ClearOnShutdown' xpcom/threads/InputTaskManager.cpp:62:9: error: use of undeclared identifier 'InputEventStatistics' xpcom/threads/InputTaskManager.cpp:89:3: error: use of undeclared identifier 'InputEventStatistics' xpcom/threads/InputTaskManager.cpp:105:7: error: use of undeclared identifier 'nsRefreshDriver' xpcom/threads/InputTaskManager.cpp:124:9: error: use of undeclared identifier 'InputEventStatistics' xpcom/threads/MainThreadIdlePeriod.cpp:29:23: error: unused variable 'kMaxTimerThreadBoundClamp' [-Werror,-Wunused-const-variable] xpcom/threads/VsyncTaskManager.h:15:67: error: implicit instantiation of undefined template 'mozilla::StaticRefPtr<mozilla::VsyncTaskManager>' xpcom/threads/VsyncTaskManager.h:16:52: error: no viable overloaded '=' xpcom/threads/nsMemoryPressure.cpp:61:12: error: use of undeclared identifier 'nsIObserverService' xpcom/threads/nsMemoryPressure.cpp:61:37: error: use of undeclared identifier 'services' xpcom/threads/nsThreadManager.cpp:422:28: error: member access into incomplete type 'mozilla::ThreadEventTarget' xpcom/threads/nsThreadManager.cpp:661:5: error: use of undeclared identifier 'CrashReporter' xpcom/threads/nsThreadManager.cpp:662:59: error: expected ')' xpcom/threads/nsThreadManager.cpp:662:9: error: use of undeclared identifier 'CrashReporter' xpcom/threads/nsThreadManager.cpp:669:7: error: use of undeclared identifier 'CrashReporter' xpcom/threads/nsThreadManager.cpp:670:11: error: use of undeclared identifier 'CrashReporter' xpcom/threads/nsThreadManager.cpp:670:61: error: expected ')' xpcom/threads/nsThreadManager.cpp:672:7: error: use of undeclared identifier 'CrashReporter' xpcom/threads/nsThreadManager.cpp:673:11: error: use of undeclared identifier 'CrashReporter' xpcom/threads/nsThreadUtils.cpp:636:13: error: member access into incomplete type 'mozilla::Task' Differential Revision: https://phabricator.services.mozilla.com/D127041
75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "MainThreadIdlePeriod.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/StaticPrefs_idle_period.h"
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#include "mozilla/dom/Document.h"
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#include "VRManagerChild.h"
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#include "nsRefreshDriver.h"
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#include "nsThreadUtils.h"
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// The amount of idle time (milliseconds) reserved for a long idle period.
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static const double kLongIdlePeriodMS = 50.0;
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// The minimum amount of time (milliseconds) required for an idle period to be
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// scheduled on the main thread. N.B. layout.idle_period.time_limit adds
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// padding at the end of the idle period, which makes the point in time that we
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// expect to become busy again be:
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// now + idle_period.min + layout.idle_period.time_limit
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// or during page load
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// now + idle_period.during_page_load.min + layout.idle_period.time_limit
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static const uint32_t kMaxTimerThreadBound = 5; // milliseconds
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namespace mozilla {
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NS_IMETHODIMP
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MainThreadIdlePeriod::GetIdlePeriodHint(TimeStamp* aIdleDeadline) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(aIdleDeadline);
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TimeStamp now = TimeStamp::Now();
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TimeStamp currentGuess =
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now + TimeDuration::FromMilliseconds(kLongIdlePeriodMS);
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currentGuess = nsRefreshDriver::GetIdleDeadlineHint(currentGuess);
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if (XRE_IsContentProcess()) {
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currentGuess = gfx::VRManagerChild::GetIdleDeadlineHint(currentGuess);
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}
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currentGuess = NS_GetTimerDeadlineHintOnCurrentThread(currentGuess,
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kMaxTimerThreadBound);
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// If the idle period is too small, then just return a null time
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// to indicate we are busy. Otherwise return the actual deadline.
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TimeDuration minIdlePeriod =
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TimeDuration::FromMilliseconds(StaticPrefs::idle_period_min());
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bool busySoon = currentGuess.IsNull() ||
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(now >= (currentGuess - minIdlePeriod)) ||
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currentGuess < mLastIdleDeadline;
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// During page load use higher minimum idle period.
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if (!busySoon && XRE_IsContentProcess() &&
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mozilla::dom::Document::HasRecentlyStartedForegroundLoads()) {
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TimeDuration minIdlePeriod = TimeDuration::FromMilliseconds(
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StaticPrefs::idle_period_during_page_load_min());
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busySoon = (now >= (currentGuess - minIdlePeriod));
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}
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if (!busySoon) {
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*aIdleDeadline = mLastIdleDeadline = currentGuess;
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}
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return NS_OK;
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}
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/* static */
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float MainThreadIdlePeriod::GetLongIdlePeriod() { return kLongIdlePeriodMS; }
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} // namespace mozilla
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