forked from mirrors/gecko-dev
8031c0838a
MozReview-Commit-ID: FXYnFXDvajw --HG-- extra : rebase_source : e6b10e1df7d1815afb704b4e6eea812c2affa7fb extra : source : 1e8a29eb9c2966f458d8019feb9f91323dc4d94a
54 lines
1.5 KiB
C++
54 lines
1.5 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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#ifndef mozilla_AutoProfilerStyleMarker_h
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#define mozilla_AutoProfilerStyleMarker_h
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#include "mozilla/Attributes.h"
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#include "mozilla/ServoTraversalStatistics.h"
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#include "mozilla/TimeStamp.h"
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#include "GeckoProfiler.h"
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#include "ProfilerMarkerPayload.h"
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namespace mozilla {
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class MOZ_RAII AutoProfilerStyleMarker
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{
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public:
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explicit AutoProfilerStyleMarker(UniqueProfilerBacktrace aCause)
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: mActive(profiler_is_active())
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, mStartTime(TimeStamp::Now())
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, mCause(Move(aCause))
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{
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if (!mActive) {
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return;
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}
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MOZ_ASSERT(!ServoTraversalStatistics::sActive,
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"Nested AutoProfilerStyleMarker");
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ServoTraversalStatistics::sSingleton = ServoTraversalStatistics();
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ServoTraversalStatistics::sActive = true;
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}
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~AutoProfilerStyleMarker()
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{
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if (!mActive) {
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return;
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}
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ServoTraversalStatistics::sActive = false;
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profiler_add_marker("Styles", MakeUnique<StyleMarkerPayload>(
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mStartTime, TimeStamp::Now(), Move(mCause),
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ServoTraversalStatistics::sSingleton));
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}
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private:
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bool mActive;
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TimeStamp mStartTime;
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UniqueProfilerBacktrace mCause;
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};
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} // namespace mozilla
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#endif // mozilla_AutoProfilerStyleMarker_h
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