зеркало из https://github.com/mozilla/gecko-dev.git
151 строка
3.4 KiB
C++
151 строка
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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 "GeckoTaskTracerImpl.h"
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#include "TracedTaskCommon.h"
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// NS_ENSURE_TRUE_VOID() without the warning on the debug build.
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#define ENSURE_TRUE_VOID(x) \
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do { \
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if (MOZ_UNLIKELY(!(x))) { \
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return; \
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} \
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} while(0)
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namespace mozilla {
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namespace tasktracer {
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TracedTaskCommon::TracedTaskCommon()
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: mSourceEventType(SourceEventType::Unknown)
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, mSourceEventId(0)
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, mParentTaskId(0)
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, mTaskId(0)
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, mIsTraceInfoInit(false)
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{
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}
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TracedTaskCommon::~TracedTaskCommon()
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{
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}
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void
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TracedTaskCommon::Init()
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{
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// Keep the following line before GetOrCreateTraceInfo() to avoid a
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// deadlock.
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uint64_t taskid = GenNewUniqueTaskId();
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TraceInfoHolder info = GetOrCreateTraceInfo();
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ENSURE_TRUE_VOID(info);
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mTaskId = taskid;
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mSourceEventId = info->mCurTraceSourceId;
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mSourceEventType = info->mCurTraceSourceType;
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mParentTaskId = info->mCurTaskId;
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mIsTraceInfoInit = true;
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}
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void
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TracedTaskCommon::DispatchTask(int aDelayTimeMs)
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{
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LogDispatch(mTaskId, mParentTaskId, mSourceEventId, mSourceEventType,
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aDelayTimeMs);
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}
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void
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TracedTaskCommon::DoGetTLSTraceInfo()
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{
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TraceInfoHolder info = GetOrCreateTraceInfo();
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ENSURE_TRUE_VOID(info);
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MOZ_ASSERT(!mIsTraceInfoInit);
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mSourceEventType = info->mCurTraceSourceType;
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mSourceEventId = info->mCurTraceSourceId;
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mTaskId = info->mCurTaskId;
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mIsTraceInfoInit = true;
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}
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void
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TracedTaskCommon::DoSetTLSTraceInfo()
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{
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TraceInfoHolder info = GetOrCreateTraceInfo();
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ENSURE_TRUE_VOID(info);
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if (mIsTraceInfoInit) {
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info->mCurTraceSourceId = mSourceEventId;
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info->mCurTraceSourceType = mSourceEventType;
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info->mCurTaskId = mTaskId;
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}
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}
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void
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TracedTaskCommon::ClearTLSTraceInfo()
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{
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TraceInfoHolder info = GetOrCreateTraceInfo();
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ENSURE_TRUE_VOID(info);
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info->mCurTraceSourceId = 0;
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info->mCurTraceSourceType = SourceEventType::Unknown;
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info->mCurTaskId = 0;
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}
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/**
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* Implementation of class TracedRunnable.
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*/
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NS_IMPL_ISUPPORTS(TracedRunnable, nsIRunnable);
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TracedRunnable::TracedRunnable(already_AddRefed<nsIRunnable>&& aOriginalObj)
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: TracedTaskCommon()
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, mOriginalObj(Move(aOriginalObj))
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{
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Init();
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LogVirtualTablePtr(mTaskId, mSourceEventId, *reinterpret_cast<uintptr_t**>(mOriginalObj.get()));
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}
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TracedRunnable::~TracedRunnable()
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{
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}
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NS_IMETHODIMP
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TracedRunnable::Run()
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{
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SetTLSTraceInfo();
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LogBegin(mTaskId, mSourceEventId);
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nsresult rv = mOriginalObj->Run();
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LogEnd(mTaskId, mSourceEventId);
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ClearTLSTraceInfo();
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return rv;
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}
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/**
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* CreateTracedRunnable() returns a TracedRunnable wrapping the original
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* nsIRunnable object, aRunnable.
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*/
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already_AddRefed<nsIRunnable>
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CreateTracedRunnable(already_AddRefed<nsIRunnable>&& aRunnable)
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{
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RefPtr<nsIRunnable> runnable = new TracedRunnable(Move(aRunnable));
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return runnable.forget();
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}
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void
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VirtualTask::AutoRunTask::StartScope(VirtualTask* aTask)
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{
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mTask->SetTLSTraceInfo();
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LogBegin(mTask->mTaskId, mTask->mSourceEventId);
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}
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void
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VirtualTask::AutoRunTask::StopScope()
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{
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LogEnd(mTask->mTaskId, mTask->mSourceEventId);
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}
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} // namespace tasktracer
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} // namespace mozilla
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