1/*
2 * Copyright (c) 2010, Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "core/inspector/ScriptProfile.h"
33
34#include "bindings/v8/V8Binding.h"
35#include <v8-profiler.h>
36#include "wtf/PassRefPtr.h"
37#include "wtf/RefPtr.h"
38
39namespace WebCore {
40
41ScriptProfile::~ScriptProfile()
42{
43    const_cast<v8::CpuProfile*>(m_profile)->Delete();
44}
45
46String ScriptProfile::title() const
47{
48    v8::HandleScope scope;
49    return toWebCoreString(m_profile->GetTitle());
50}
51
52unsigned int ScriptProfile::uid() const
53{
54    return m_profile->GetUid();
55}
56
57double ScriptProfile::idleTime() const
58{
59    return m_idleTime;
60}
61
62double ScriptProfile::startTime() const
63{
64    return static_cast<double>(m_profile->GetStartTime()) / 1000000;
65}
66
67double ScriptProfile::endTime() const
68{
69    return static_cast<double>(m_profile->GetEndTime()) / 1000000;
70}
71
72static PassRefPtr<TypeBuilder::Profiler::CPUProfileNode> buildInspectorObjectFor(const v8::CpuProfileNode* node)
73{
74    v8::HandleScope handleScope;
75
76    RefPtr<TypeBuilder::Array<TypeBuilder::Profiler::CPUProfileNode> > children = TypeBuilder::Array<TypeBuilder::Profiler::CPUProfileNode>::create();
77    const int childrenCount = node->GetChildrenCount();
78    for (int i = 0; i < childrenCount; i++) {
79        const v8::CpuProfileNode* child = node->GetChild(i);
80        children->addItem(buildInspectorObjectFor(child));
81    }
82
83    RefPtr<TypeBuilder::Profiler::CPUProfileNode> result = TypeBuilder::Profiler::CPUProfileNode::create()
84        .setFunctionName(toWebCoreString(node->GetFunctionName()))
85        .setScriptId(String::number(node->GetScriptId()))
86        .setUrl(toWebCoreString(node->GetScriptResourceName()))
87        .setLineNumber(node->GetLineNumber())
88        .setHitCount(node->GetSelfSamplesCount())
89        .setCallUID(node->GetCallUid())
90        .setChildren(children.release());
91    result->setId(node->GetNodeId());
92    return result.release();
93}
94
95PassRefPtr<TypeBuilder::Profiler::CPUProfileNode> ScriptProfile::buildInspectorObjectForHead() const
96{
97    return buildInspectorObjectFor(m_profile->GetTopDownRoot());
98}
99
100PassRefPtr<TypeBuilder::Array<int> > ScriptProfile::buildInspectorObjectForSamples() const
101{
102    RefPtr<TypeBuilder::Array<int> > array = TypeBuilder::Array<int>::create();
103    int count = m_profile->GetSamplesCount();
104    for (int i = 0; i < count; i++)
105        array->addItem(m_profile->GetSample(i)->GetNodeId());
106    return array.release();
107}
108
109
110} // namespace WebCore
111