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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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/. */
#include "GeckoTaskTracerImpl.h"
#include "TracedTaskCommon.h"
// NS_ENSURE_TRUE_VOID() without the warning on the debug build.
#define ENSURE_TRUE_VOID(x) \
do { \
if (MOZ_UNLIKELY(!(x))) { \
return; \
} \
} while(0)
namespace mozilla {
namespace tasktracer {
TracedTaskCommon::TracedTaskCommon()
: mSourceEventType(SourceEventType::Unknown)
, mSourceEventId(0)
, mParentTaskId(0)
, mTaskId(0)
, mIsTraceInfoInit(false)
{
}
TracedTaskCommon::~TracedTaskCommon()
{
}
void
TracedTaskCommon::Init()
{
TraceInfo* info = GetOrCreateTraceInfo();
ENSURE_TRUE_VOID(info);
mTaskId = GenNewUniqueTaskId();
mSourceEventId = info->mCurTraceSourceId;
mSourceEventType = info->mCurTraceSourceType;
mParentTaskId = info->mCurTaskId;
mIsTraceInfoInit = true;
}
void
TracedTaskCommon::DispatchTask(int aDelayTimeMs)
{
LogDispatch(mTaskId, mParentTaskId, mSourceEventId, mSourceEventType,
aDelayTimeMs);
}
void
TracedTaskCommon::GetTLSTraceInfo()
{
TraceInfo* info = GetOrCreateTraceInfo();
ENSURE_TRUE_VOID(info);
mSourceEventType = info->mCurTraceSourceType;
mSourceEventId = info->mCurTraceSourceId;
mTaskId = info->mCurTaskId;
mIsTraceInfoInit = true;
}
void
TracedTaskCommon::SetTLSTraceInfo()
{
TraceInfo* info = GetOrCreateTraceInfo();
ENSURE_TRUE_VOID(info);
if (mIsTraceInfoInit) {
info->mCurTraceSourceId = mSourceEventId;
info->mCurTraceSourceType = mSourceEventType;
info->mCurTaskId = mTaskId;
}
}
void
TracedTaskCommon::ClearTLSTraceInfo()
{
TraceInfo* info = GetOrCreateTraceInfo();
ENSURE_TRUE_VOID(info);
info->mCurTraceSourceId = 0;
info->mCurTraceSourceType = SourceEventType::Unknown;
info->mCurTaskId = 0;
}
/**
* Implementation of class TracedRunnable.
*/
TracedRunnable::TracedRunnable(already_AddRefed<nsIRunnable>&& aOriginalObj)
: TracedTaskCommon()
, mOriginalObj(Move(aOriginalObj))
{
Init();
LogVirtualTablePtr(mTaskId, mSourceEventId, reinterpret_cast<uintptr_t*>(mOriginalObj.get()));
}
TracedRunnable::~TracedRunnable()
{
}
NS_IMETHODIMP
TracedRunnable::Run()
{
SetTLSTraceInfo();
LogBegin(mTaskId, mSourceEventId);
nsresult rv = mOriginalObj->Run();
LogEnd(mTaskId, mSourceEventId);
ClearTLSTraceInfo();
return rv;
}
/**
* Implementation of class TracedTask.
*/
TracedTask::TracedTask(Task* aOriginalObj)
: TracedTaskCommon()
, mOriginalObj(aOriginalObj)
{
Init();
LogVirtualTablePtr(mTaskId, mSourceEventId, reinterpret_cast<uintptr_t*>(aOriginalObj));
}
TracedTask::~TracedTask()
{
if (mOriginalObj) {
delete mOriginalObj;
mOriginalObj = nullptr;
}
}
void
TracedTask::Run()
{
SetTLSTraceInfo();
LogBegin(mTaskId, mSourceEventId);
mOriginalObj->Run();
LogEnd(mTaskId, mSourceEventId);
ClearTLSTraceInfo();
}
/**
* CreateTracedRunnable() returns a TracedRunnable wrapping the original
* nsIRunnable object, aRunnable.
*/
already_AddRefed<nsIRunnable>
CreateTracedRunnable(already_AddRefed<nsIRunnable>&& aRunnable)
{
nsCOMPtr<nsIRunnable> runnable = new TracedRunnable(Move(aRunnable));
return runnable.forget();
}
/**
* CreateTracedTask() returns a TracedTask wrapping the original Task object,
* aTask.
*/
Task*
CreateTracedTask(Task* aTask)
{
Task* task = new TracedTask(aTask);
return task;
}
} // namespace tasktracer
} // namespace mozilla
|
