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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
#ifndef mozilla_AutoProfilerStyleMarker_h
#define mozilla_AutoProfilerStyleMarker_h
#include "mozilla/Attributes.h"
#include "mozilla/ProfilerMarkers.h"
#include "mozilla/ServoTraversalStatistics.h"
#include "mozilla/TimeStamp.h"
namespace mozilla {
class MOZ_RAII AutoProfilerStyleMarker {
public:
explicit AutoProfilerStyleMarker(UniquePtr<ProfileChunkedBuffer> aCause,
const Maybe<uint64_t>& aInnerWindowID)
: mActive(profiler_thread_is_being_profiled_for_markers()),
mCause(std::move(aCause)),
mInnerWindowID(aInnerWindowID) {
if (!mActive) {
return;
}
MOZ_ASSERT(!ServoTraversalStatistics::sActive,
"Nested AutoProfilerStyleMarker");
ServoTraversalStatistics::sSingleton = ServoTraversalStatistics();
ServoTraversalStatistics::sActive = true;
mStartTime = TimeStamp::Now();
}
~AutoProfilerStyleMarker() {
if (!mActive) {
return;
}
struct StyleMarker {
static constexpr mozilla::Span<const char> MarkerTypeName() {
return mozilla::MakeStringSpan("Styles");
}
static void StreamJSONMarkerData(
baseprofiler::SpliceableJSONWriter& aWriter,
uint32_t aElementsTraversed, uint32_t aElementsStyled,
uint32_t aElementsMatched, uint32_t aStylesShared,
uint32_t aStylesReused) {
aWriter.IntProperty("elementsTraversed", aElementsTraversed);
aWriter.IntProperty("elementsStyled", aElementsStyled);
aWriter.IntProperty("elementsMatched", aElementsMatched);
aWriter.IntProperty("stylesShared", aStylesShared);
aWriter.IntProperty("stylesReused", aStylesReused);
}
static MarkerSchema MarkerTypeDisplay() {
using MS = MarkerSchema;
MS schema{MS::Location::MarkerChart, MS::Location::MarkerTable,
MS::Location::TimelineOverview};
schema.AddKeyLabelFormat("elementsTraversed", "Elements traversed",
MS::Format::Integer);
schema.AddKeyLabelFormat("elementsStyled", "Elements styled",
MS::Format::Integer);
schema.AddKeyLabelFormat("elementsMatched", "Elements matched",
MS::Format::Integer);
schema.AddKeyLabelFormat("stylesShared", "Styles shared",
MS::Format::Integer);
schema.AddKeyLabelFormat("stylesReused", "Styles reused",
MS::Format::Integer);
return schema;
}
};
ServoTraversalStatistics::sActive = false;
profiler_add_marker("Styles", geckoprofiler::category::LAYOUT,
{MarkerTiming::IntervalUntilNowFrom(mStartTime),
MarkerStack::TakeBacktrace(std::move(mCause)),
MarkerInnerWindowId(mInnerWindowID)},
StyleMarker{},
ServoTraversalStatistics::sSingleton.mElementsTraversed,
ServoTraversalStatistics::sSingleton.mElementsStyled,
ServoTraversalStatistics::sSingleton.mElementsMatched,
ServoTraversalStatistics::sSingleton.mStylesShared,
ServoTraversalStatistics::sSingleton.mStylesReused);
}
private:
bool mActive;
TimeStamp mStartTime;
UniquePtr<ProfileChunkedBuffer> mCause;
Maybe<uint64_t> mInnerWindowID;
};
} // namespace mozilla
#endif // mozilla_AutoProfilerStyleMarker_h