fune/xpcom/threads/InputEventStatistics.cpp
Mike Hommey 25134bc800 Bug 1733308 - Fix non-unified builds errors in xpcom/threads. r=xpcom-reviewers,mccr8
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
2021-10-01 01:49:18 +00:00

73 lines
2.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "InputEventStatistics.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/Preferences.h"
#include "nsRefreshDriver.h"
namespace mozilla {
/*static*/ InputEventStatistics& InputEventStatistics::Get() {
static UniquePtr<InputEventStatistics> sInstance;
if (!sInstance) {
sInstance = MakeUnique<InputEventStatistics>(ConstructorCookie());
ClearOnShutdown(&sInstance);
}
return *sInstance;
}
TimeDuration InputEventStatistics::TimeDurationCircularBuffer::GetMean() {
return mTotal / (int64_t)mSize;
}
InputEventStatistics::InputEventStatistics(ConstructorCookie&&)
: mEnable(false) {
MOZ_ASSERT(Preferences::IsServiceAvailable());
uint32_t inputDuration = Preferences::GetUint(
"input_event_queue.default_duration_per_event", sDefaultInputDuration);
TimeDuration defaultDuration = TimeDuration::FromMilliseconds(inputDuration);
uint32_t count = Preferences::GetUint(
"input_event_queue.count_for_prediction", sInputCountForPrediction);
mLastInputDurations =
MakeUnique<TimeDurationCircularBuffer>(count, defaultDuration);
uint32_t maxDuration = Preferences::GetUint("input_event_queue.duration.max",
sMaxReservedTimeForHandlingInput);
uint32_t minDuration = Preferences::GetUint("input_event_queue.duration.min",
sMinReservedTimeForHandlingInput);
mMaxInputDuration = TimeDuration::FromMilliseconds(maxDuration);
mMinInputDuration = TimeDuration::FromMilliseconds(minDuration);
}
TimeStamp InputEventStatistics::GetInputHandlingStartTime(
uint32_t aInputCount) {
MOZ_ASSERT(mEnable);
Maybe<TimeStamp> nextTickHint = nsRefreshDriver::GetNextTickHint();
if (nextTickHint.isNothing()) {
// Return a past time to process input events immediately.
return TimeStamp::Now() - TimeDuration::FromMilliseconds(1);
}
TimeDuration inputCost = mLastInputDurations->GetMean() * aInputCount;
inputCost = inputCost > mMaxInputDuration ? mMaxInputDuration
: inputCost < mMinInputDuration ? mMinInputDuration
: inputCost;
return nextTickHint.value() - inputCost;
}
TimeDuration InputEventStatistics::GetMaxInputHandlingDuration() const {
MOZ_ASSERT(StaticPrefs::dom_input_events_strict_input_vsync_alignment());
return mMaxInputDuration;
}
} // namespace mozilla