forked from mirrors/gecko-dev
298aa82710
This was automatically generated by the script modeline.py. MozReview-Commit-ID: BgulzkGteAL --HG-- extra : rebase_source : a4b9d16a4c06c4e85d7d85f485221b1e4ebdfede
97 lines
2.5 KiB
C++
97 lines
2.5 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 "TimeoutBudgetManager.h"
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#include "mozilla/dom/Timeout.h"
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namespace mozilla {
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namespace dom {
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// Time between sampling timeout execution time.
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const uint32_t kTelemetryPeriodMS = 1000;
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/* static */ TimeoutBudgetManager&
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TimeoutBudgetManager::Get()
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{
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static TimeoutBudgetManager gTimeoutBudgetManager;
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return gTimeoutBudgetManager;
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}
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void
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TimeoutBudgetManager::StartRecording(const TimeStamp& aNow)
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{
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mStart = aNow;
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}
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void
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TimeoutBudgetManager::StopRecording()
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{
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mStart = TimeStamp();
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}
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TimeDuration
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TimeoutBudgetManager::RecordExecution(const TimeStamp& aNow,
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const Timeout* aTimeout,
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bool aIsBackground)
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{
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if (!mStart) {
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// If we've started a sync operation mStart might be null, in
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// which case we should not record this piece of execution.
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return TimeDuration();
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}
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TimeDuration duration = aNow - mStart;
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if (aIsBackground) {
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if (aTimeout->mIsTracking) {
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mTelemetryData.mBackgroundTracking += duration;
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} else {
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mTelemetryData.mBackgroundNonTracking += duration;
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}
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} else {
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if (aTimeout->mIsTracking) {
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mTelemetryData.mForegroundTracking += duration;
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} else {
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mTelemetryData.mForegroundNonTracking += duration;
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}
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}
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return duration;
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}
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void
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TimeoutBudgetManager::Accumulate(Telemetry::HistogramID aId,
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const TimeDuration& aSample)
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{
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uint32_t sample = std::round(aSample.ToMilliseconds());
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if (sample) {
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Telemetry::Accumulate(aId, sample);
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}
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}
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void
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TimeoutBudgetManager::MaybeCollectTelemetry(const TimeStamp& aNow)
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{
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if ((aNow - mLastCollection).ToMilliseconds() < kTelemetryPeriodMS) {
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return;
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}
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Accumulate(Telemetry::TIMEOUT_EXECUTION_FG_TRACKING_MS,
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mTelemetryData.mForegroundTracking);
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Accumulate(Telemetry::TIMEOUT_EXECUTION_FG_MS,
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mTelemetryData.mForegroundNonTracking);
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Accumulate(Telemetry::TIMEOUT_EXECUTION_BG_TRACKING_MS,
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mTelemetryData.mBackgroundTracking);
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Accumulate(Telemetry::TIMEOUT_EXECUTION_BG_MS,
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mTelemetryData.mBackgroundNonTracking);
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mTelemetryData = TelemetryData();
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mLastCollection = aNow;
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}
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} // namespace dom
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} // namespace mozilla
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