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72 lines
2.0 KiB
C++
72 lines
2.0 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 "TimelineMarker.h"
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namespace mozilla {
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TimelineMarker::TimelineMarker(const char* aName,
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MarkerTracingType aTracingType,
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MarkerStackRequest aStackRequest)
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: AbstractTimelineMarker(aName, aTracingType)
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{
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CaptureStackIfNecessary(aTracingType, aStackRequest);
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}
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TimelineMarker::TimelineMarker(const char* aName,
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const TimeStamp& aTime,
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MarkerTracingType aTracingType,
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MarkerStackRequest aStackRequest)
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: AbstractTimelineMarker(aName, aTime, aTracingType)
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{
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CaptureStackIfNecessary(aTracingType, aStackRequest);
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}
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void
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TimelineMarker::AddDetails(JSContext* aCx, dom::ProfileTimelineMarker& aMarker)
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{
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if (GetTracingType() == MarkerTracingType::START) {
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aMarker.mProcessType.Construct(GetProcessType());
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aMarker.mIsOffMainThread.Construct(IsOffMainThread());
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}
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}
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JSObject*
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TimelineMarker::GetStack()
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{
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if (mStackTrace.initialized()) {
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return mStackTrace;
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}
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return nullptr;
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}
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void
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TimelineMarker::CaptureStack()
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{
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JSContext* ctx = nsContentUtils::GetCurrentJSContext();
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if (ctx) {
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JS::RootedObject stack(ctx);
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if (JS::CaptureCurrentStack(ctx, &stack)) {
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mStackTrace.init(ctx, stack.get());
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} else {
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JS_ClearPendingException(ctx);
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}
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}
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}
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void
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TimelineMarker::CaptureStackIfNecessary(MarkerTracingType aTracingType,
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MarkerStackRequest aStackRequest)
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{
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if ((aTracingType == MarkerTracingType::START ||
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aTracingType == MarkerTracingType::TIMESTAMP) &&
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aStackRequest != MarkerStackRequest::NO_STACK) {
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CaptureStack();
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}
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}
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} // namespace mozilla
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