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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "platform/EventTracer.h"
#include "public/platform/Platform.h"
#include "public/platform/WebConvertableToTraceFormat.h"
#include "wtf/Assertions.h"
#include <stdio.h>
namespace blink {
static_assert(sizeof(Platform::TraceEventHandle) == sizeof(TraceEvent::TraceEventHandle), "TraceEventHandle types must be compatible");
static_assert(sizeof(Platform::TraceEventAPIAtomicWord) == sizeof(TraceEvent::TraceEventAPIAtomicWord), "TraceEventAPIAtomicWord types must be compatible");
static_assert(sizeof(TraceEvent::TraceEventAPIAtomicWord) == sizeof(const char*), "TraceEventAPIAtomicWord must be pointer-sized.");
// The dummy variable is needed to avoid a crash when someone updates the state variables
// before EventTracer::initialize() is called.
TraceEvent::TraceEventAPIAtomicWord dummyTraceSamplingState = 0;
TraceEvent::TraceEventAPIAtomicWord* traceSamplingState[3] = {&dummyTraceSamplingState, &dummyTraceSamplingState, &dummyTraceSamplingState };
void EventTracer::initialize()
{
// current() might not exist in unit tests.
if (!Platform::current())
return;
traceSamplingState[0] = Platform::current()->getTraceSamplingState(0);
// FIXME: traceSamplingState[0] can be 0 in split-dll build. http://crbug.com/256965
if (!traceSamplingState[0])
traceSamplingState[0] = &dummyTraceSamplingState;
traceSamplingState[1] = Platform::current()->getTraceSamplingState(1);
if (!traceSamplingState[1])
traceSamplingState[1] = &dummyTraceSamplingState;
traceSamplingState[2] = Platform::current()->getTraceSamplingState(2);
if (!traceSamplingState[2])
traceSamplingState[2] = &dummyTraceSamplingState;
}
const unsigned char* EventTracer::getTraceCategoryEnabledFlag(const char* categoryName)
{
static const char* dummyCategoryEnabledFlag = "*";
// current() might not exist in unit tests.
if (!Platform::current())
return reinterpret_cast<const unsigned char*>(dummyCategoryEnabledFlag);
return Platform::current()->getTraceCategoryEnabledFlag(categoryName);
}
TraceEvent::TraceEventHandle EventTracer::addTraceEvent(char phase, const unsigned char* categoryEnabledFlag,
const char* name, unsigned long long id, unsigned long long bindId, double timestamp,
int numArgs, const char* argNames[], const unsigned char argTypes[],
const unsigned long long argValues[],
PassRefPtr<TraceEvent::ConvertableToTraceFormat> convertableValue1,
PassRefPtr<TraceEvent::ConvertableToTraceFormat> convertableValue2,
unsigned flags)
{
WebConvertableToTraceFormat webConvertableValues[2];
webConvertableValues[0] = WebConvertableToTraceFormat(convertableValue1);
webConvertableValues[1] = WebConvertableToTraceFormat(convertableValue2);
return Platform::current()->addTraceEvent(phase, categoryEnabledFlag, name, id, bindId, timestamp, numArgs, argNames, argTypes, argValues, webConvertableValues, flags);
}
TraceEvent::TraceEventHandle EventTracer::addTraceEvent(char phase, const unsigned char* categoryEnabledFlag,
const char* name, unsigned long long id, unsigned long long bindId, double timestamp,
int numArgs, const char** argNames, const unsigned char* argTypes,
const unsigned long long* argValues, unsigned flags)
{
return Platform::current()->addTraceEvent(phase, categoryEnabledFlag, name, id, bindId, timestamp, numArgs, argNames, argTypes, argValues, 0, flags);
}
void EventTracer::updateTraceEventDuration(const unsigned char* categoryEnabledFlag, const char* name, TraceEvent::TraceEventHandle handle)
{
Platform::current()->updateTraceEventDuration(categoryEnabledFlag, name, handle);
}
} // namespace blink
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