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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "config.h" | |
| 6 #include "platform/scheduler/TracedTask.h" | |
| 7 #include "platform/scheduler/Scheduler.h" | |
| 8 #include "wtf/PassOwnPtr.h" | |
| 9 | |
| 10 namespace blink { | |
| 11 namespace internal { | |
| 12 | |
| 13 volatile int TracedTask::s_nextFlowTraceID = 0; | |
| 14 | |
| 15 TracedTask::TracedTask(const TraceLocation& location, const char* traceName) | |
| 16 : m_location(location) | |
| 17 , m_traceName(traceName) | |
| 18 { | |
| 19 bool tracingEnabled; | |
| 20 TRACE_EVENT_CATEGORY_GROUP_ENABLED("blink", &tracingEnabled); | |
| 21 | |
| 22 if (tracingEnabled) { | |
| 23 // atomicIncrement is slow so we only do it if tracing is enabled | |
| 24 m_flowTraceID = static_cast<uint64_t>(atomicIncrement(&s_nextFlowTraceID
)); | |
| 25 | |
| 26 TRACE_EVENT_FLOW_BEGIN2("blink", m_traceName, MANGLE(m_flowTraceID), | |
| 27 "src_file", m_location.fileName(), | |
| 28 "src_func", m_location.functionName()); | |
| 29 } | |
| 30 } | |
| 31 | |
| 32 TraceLocation TracedTask::getLocation() const | |
| 33 { | |
| 34 return m_location; | |
| 35 } | |
| 36 | |
| 37 const char* TracedTask::getTraceName() const | |
| 38 { | |
| 39 return m_traceName; | |
| 40 } | |
| 41 | |
| 42 void TracedTask::endFlowTraceEvent() const | |
| 43 { | |
| 44 TRACE_EVENT_FLOW_END0("blink", m_traceName, MANGLE(m_flowTraceID)); | |
| 45 } | |
| 46 | |
| 47 TracedTask::~TracedTask() { } | |
| 48 | |
| 49 TracedStandardTask::TracedStandardTask(const Task& task, const TraceLocation& lo
cation, const char* traceName) | |
| 50 : TracedTask(location, traceName) | |
| 51 , m_task(task) { } | |
| 52 | |
| 53 TracedStandardTask::~TracedStandardTask() { } | |
| 54 | |
| 55 // static | |
| 56 PassOwnPtr<TracedStandardTask> TracedStandardTask::Create(const Task& task, cons
t TraceLocation& location, const char* traceName) | |
| 57 { | |
| 58 return adoptPtr(new TracedStandardTask(task, location, traceName)); | |
| 59 } | |
| 60 | |
| 61 void TracedStandardTask::run() const | |
| 62 { | |
| 63 endFlowTraceEvent(); | |
| 64 TRACE_EVENT2("blink", getTraceName(), | |
| 65 "src_file", getLocation().fileName(), | |
| 66 "src_func", getLocation().functionName()); | |
| 67 | |
| 68 m_task(); | |
| 69 } | |
| 70 | |
| 71 TracedIdleTask::TracedIdleTask(const IdleTask& idleTask, const TraceLocation& lo
cation, const char* traceName) | |
| 72 : TracedTask(location, traceName) | |
| 73 , m_idleTask(idleTask) | |
| 74 { | |
| 75 ASSERT(Scheduler::shared()); | |
| 76 } | |
| 77 | |
| 78 TracedIdleTask::~TracedIdleTask() { } | |
| 79 | |
| 80 // static | |
| 81 PassOwnPtr<TracedIdleTask> TracedIdleTask::Create(const IdleTask& idleTask, cons
t TraceLocation& location, const char* traceName) | |
| 82 { | |
| 83 return adoptPtr(new TracedIdleTask(idleTask, location, traceName)); | |
| 84 } | |
| 85 | |
| 86 void TracedIdleTask::run() const | |
| 87 { | |
| 88 endFlowTraceEvent(); | |
| 89 TRACE_EVENT2("blink", getTraceName(), | |
| 90 "src_file", getLocation().fileName(), | |
| 91 "src_func", getLocation().functionName()); | |
| 92 | |
| 93 m_idleTask(Scheduler::shared()->currentFrameDeadlineForIdleTasks()); | |
| 94 } | |
| 95 | |
| 96 } // namespace internal | |
| 97 } // namespace blink | |
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Chromium Code Reviews
Issue 656463004:
Use the scheduling mechanism provided by the platform (Closed)
Base URL: svn://svn.chromium.org/blink/trunk