1/*
2 * Copyright (C) 2010 Apple Inc. All rights reserved.
3 * Copyright (C) 2010 Google Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1.  Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 * 2.  Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
15 *     its contributors may be used to endorse or promote products derived
16 *     from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef InspectorProfilerAgent_h
31#define InspectorProfilerAgent_h
32
33#include "core/InspectorFrontend.h"
34#include "core/inspector/InspectorBaseAgent.h"
35#include "wtf/Forward.h"
36#include "wtf/HashMap.h"
37#include "wtf/Noncopyable.h"
38#include "wtf/PassOwnPtr.h"
39#include "wtf/text/WTFString.h"
40
41namespace blink {
42
43class ExecutionContext;
44class InjectedScriptManager;
45class InspectorFrontend;
46class InspectorOverlay;
47class InstrumentingAgents;
48class ScriptState;
49class ScriptCallStack;
50class ScriptProfile;
51
52
53typedef String ErrorString;
54
55class InspectorProfilerAgent FINAL : public InspectorBaseAgent<InspectorProfilerAgent>, public InspectorBackendDispatcher::ProfilerCommandHandler {
56    WTF_MAKE_NONCOPYABLE(InspectorProfilerAgent);
57    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
58public:
59    static PassOwnPtrWillBeRawPtr<InspectorProfilerAgent> create(InjectedScriptManager*, InspectorOverlay*);
60    virtual ~InspectorProfilerAgent();
61    virtual void trace(Visitor*) OVERRIDE;
62
63    void consoleProfile(ExecutionContext*, const String& title);
64    void consoleProfileEnd(const String& title);
65
66    virtual void enable(ErrorString*) OVERRIDE;
67    virtual void disable(ErrorString*) OVERRIDE;
68    virtual void setSamplingInterval(ErrorString*, int) OVERRIDE;
69    virtual void start(ErrorString*) OVERRIDE;
70    virtual void stop(ErrorString*, RefPtr<TypeBuilder::Profiler::CPUProfile>&) OVERRIDE;
71
72    virtual void setFrontend(InspectorFrontend*) OVERRIDE;
73    virtual void clearFrontend() OVERRIDE;
74    virtual void restore() OVERRIDE;
75
76    void willProcessTask();
77    void didProcessTask();
78    void willEnterNestedRunLoop();
79    void didLeaveNestedRunLoop();
80
81private:
82    InspectorProfilerAgent(InjectedScriptManager*, InspectorOverlay*);
83    bool enabled();
84    void doEnable();
85    void stop(ErrorString*, RefPtr<TypeBuilder::Profiler::CPUProfile>*);
86    String nextProfileId();
87
88    RawPtrWillBeMember<InjectedScriptManager> m_injectedScriptManager;
89    InspectorFrontend::Profiler* m_frontend;
90    bool m_recordingCPUProfile;
91    class ProfileDescriptor;
92    Vector<ProfileDescriptor> m_startedProfiles;
93    String m_frontendInitiatedProfileId;
94
95    typedef HashMap<String, double> ProfileNameIdleTimeMap;
96    ProfileNameIdleTimeMap* m_profileNameIdleTimeMap;
97    double m_idleStartTime;
98    InspectorOverlay* m_overlay;
99
100    void idleStarted();
101    void idleFinished();
102};
103
104} // namespace blink
105
106
107#endif // !defined(InspectorProfilerAgent_h)
108