/* * 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 "wtf/Assertions.h" #include namespace WebCore { COMPILE_ASSERT(sizeof(blink::Platform::TraceEventHandle) == sizeof(TraceEvent::TraceEventHandle), TraceEventHandle_types_must_be_compatible); // The dummy variable is needed to avoid a crash when someone updates the state variables // before EventTracer::initialize() is called. long dummyTraceSamplingState = 0; long* traceSamplingState[3] = {&dummyTraceSamplingState, &dummyTraceSamplingState, &dummyTraceSamplingState }; void EventTracer::initialize() { traceSamplingState[0] = blink::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] = blink::Platform::current()->getTraceSamplingState(1); if (!traceSamplingState[1]) traceSamplingState[1] = &dummyTraceSamplingState; traceSamplingState[2] = blink::Platform::current()->getTraceSamplingState(2); if (!traceSamplingState[2]) traceSamplingState[2] = &dummyTraceSamplingState; } const unsigned char* EventTracer::getTraceCategoryEnabledFlag(const char* categoryName) { return blink::Platform::current()->getTraceCategoryEnabledFlag(categoryName); } TraceEvent::TraceEventHandle EventTracer::addTraceEvent(char phase, const unsigned char* categoryEnabledFlag, const char* name, unsigned long long id, int numArgs, const char** argNames, const unsigned char* argTypes, const unsigned long long* argValues, unsigned char flags) { return blink::Platform::current()->addTraceEvent(phase, categoryEnabledFlag, name, id, numArgs, argNames, argTypes, argValues, flags); } void EventTracer::updateTraceEventDuration(const unsigned char* categoryEnabledFlag, const char* name, TraceEvent::TraceEventHandle handle) { blink::Platform::current()->updateTraceEventDuration(categoryEnabledFlag, name, handle); } } // namespace WebCore