17242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// Copyright 2014 The Chromium Authors. All rights reserved.
27242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// Use of this source code is governed by a BSD-style license that can be
37242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// found in the LICENSE file.
47242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci
57242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci#include "config.h"
67242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci#include "platform/scheduler/TracedTask.h"
77242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci
87242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccinamespace blink {
97242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci
107242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccivolatile int TracedTask::s_nextFlowTraceID = 0;
117242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci
127242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccivoid TracedTask::run() const
137242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci{
147242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci    TRACE_EVENT_FLOW_END0("blink", m_traceName, MANGLE(m_flowTraceID));
157242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci
167242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci    TRACE_EVENT2("blink", m_traceName,
177242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci        "src_file", m_location.fileName(),
187242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci        "src_func", m_location.functionName());
197242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci
207242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci    m_task();
217242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci}
227242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci
237242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano TucciTracedTask::TracedTask(const Task& task, const TraceLocation& location, const char* traceName)
247242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci    : m_task(task)
257242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci    , m_location(location)
267242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci    , m_traceName(traceName)
277242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci{
287242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci    bool tracingEnabled;
297242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci    TRACE_EVENT_CATEGORY_GROUP_ENABLED("blink", &tracingEnabled);
307242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci
317242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci    if (tracingEnabled) {
327242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci        // atomicIncrement is slow so we only do it if tracing is enabled
337242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci        m_flowTraceID = static_cast<uint64_t>(atomicIncrement(&s_nextFlowTraceID));
347242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci
357242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci        TRACE_EVENT_FLOW_BEGIN2("blink", m_traceName, MANGLE(m_flowTraceID),
367242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci        "src_file", m_location.fileName(),
377242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci        "src_func", m_location.functionName());
387242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci    }
397242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci}
407242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci
417242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci} // namespace blink
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