| /* |
| * 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 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() |
| { |
| // current() might not exist in unit tests. |
| if (!blink::Platform::current()) |
| return; |
| |
| 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) |
| { |
| static const char* dummyCategoryEnabledFlag = "*"; |
| // current() might not exist in unit tests. |
| if (!blink::Platform::current()) |
| return reinterpret_cast<const unsigned char*>(dummyCategoryEnabledFlag); |
| |
| 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[], |
| TraceEvent::ConvertableToTraceFormat* convertableValues[], |
| unsigned char flags) |
| { |
| blink::WebConvertableToTraceFormat webConvertableValues[2]; |
| if (numArgs <= static_cast<int>(WTF_ARRAY_LENGTH(webConvertableValues))) { |
| for (int i = 0; i < numArgs; ++i) { |
| if (convertableValues[i]) |
| webConvertableValues[i] = blink::WebConvertableToTraceFormat(convertableValues[i]); |
| } |
| } else { |
| ASSERT_NOT_REACHED(); |
| } |
| return blink::Platform::current()->addTraceEvent(phase, categoryEnabledFlag, name, id, numArgs, argNames, argTypes, argValues, webConvertableValues, flags); |
| } |
| |
| 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, 0, flags); |
| } |
| |
| void EventTracer::updateTraceEventDuration(const unsigned char* categoryEnabledFlag, const char* name, TraceEvent::TraceEventHandle handle) |
| { |
| blink::Platform::current()->updateTraceEventDuration(categoryEnabledFlag, name, handle); |
| } |
| |
| } // namespace WebCore |