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/* -*- 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/. */
#ifndef mozilla_AutoProfilerStyleMarker_h
#define mozilla_AutoProfilerStyleMarker_h
#include "mozilla/Attributes.h"
#include "mozilla/ServoTraversalStatistics.h"
#include "mozilla/TimeStamp.h"
#include "GeckoProfiler.h"
#include "ProfilerMarkerPayload.h"
namespace mozilla {
class MOZ_RAII AutoProfilerStyleMarker {
public:
explicit AutoProfilerStyleMarker(UniqueProfilerBacktrace aCause,
const Maybe<uint64_t>& aInnerWindowID)
: mActive(profiler_can_accept_markers()),
mStartTime(TimeStamp::Now()),
mCause(std::move(aCause)),
mInnerWindowID(aInnerWindowID) {
if (!mActive) {
return;
}
MOZ_ASSERT(!ServoTraversalStatistics::sActive,
"Nested AutoProfilerStyleMarker");
ServoTraversalStatistics::sSingleton = ServoTraversalStatistics();
ServoTraversalStatistics::sActive = true;
}
~AutoProfilerStyleMarker() {
if (!mActive) {
return;
}
ServoTraversalStatistics::sActive = false;
PROFILER_ADD_MARKER_WITH_PAYLOAD(
"Styles", LAYOUT, StyleMarkerPayload,
(mStartTime, TimeStamp::Now(), std::move(mCause),
ServoTraversalStatistics::sSingleton, mInnerWindowID));
}
private:
bool mActive;
TimeStamp mStartTime;
UniqueProfilerBacktrace mCause;
Maybe<uint64_t> mInnerWindowID;
};
} // namespace mozilla
#endif // mozilla_AutoProfilerStyleMarker_h