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      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/core/v8/V8Binding.h"
     35 #include "wtf/PassRefPtr.h"
     36 #include "wtf/RefPtr.h"
     37 #include <v8.h>
     38 
     39 namespace blink {
     40 
     41 ScriptProfile::~ScriptProfile()
     42 {
     43     m_profile->Delete();
     44 }
     45 
     46 String ScriptProfile::title() const
     47 {
     48     v8::HandleScope scope(v8::Isolate::GetCurrent());
     49     return toCoreString(m_profile->GetTitle());
     50 }
     51 
     52 double ScriptProfile::idleTime() const
     53 {
     54     return m_idleTime;
     55 }
     56 
     57 double ScriptProfile::startTime() const
     58 {
     59     return static_cast<double>(m_profile->GetStartTime()) / 1000000;
     60 }
     61 
     62 double ScriptProfile::endTime() const
     63 {
     64     return static_cast<double>(m_profile->GetEndTime()) / 1000000;
     65 }
     66 
     67 static PassRefPtr<TypeBuilder::Profiler::CPUProfileNode> buildInspectorObjectFor(const v8::CpuProfileNode* node)
     68 {
     69     v8::HandleScope handleScope(v8::Isolate::GetCurrent());
     70 
     71     RefPtr<TypeBuilder::Array<TypeBuilder::Profiler::CPUProfileNode> > children = TypeBuilder::Array<TypeBuilder::Profiler::CPUProfileNode>::create();
     72     const int childrenCount = node->GetChildrenCount();
     73     for (int i = 0; i < childrenCount; i++) {
     74         const v8::CpuProfileNode* child = node->GetChild(i);
     75         children->addItem(buildInspectorObjectFor(child));
     76     }
     77 
     78     RefPtr<TypeBuilder::Profiler::CPUProfileNode> result = TypeBuilder::Profiler::CPUProfileNode::create()
     79         .setFunctionName(toCoreString(node->GetFunctionName()))
     80         .setScriptId(String::number(node->GetScriptId()))
     81         .setUrl(toCoreString(node->GetScriptResourceName()))
     82         .setLineNumber(node->GetLineNumber())
     83         .setColumnNumber(node->GetColumnNumber())
     84         .setHitCount(node->GetHitCount())
     85         .setCallUID(node->GetCallUid())
     86         .setChildren(children.release())
     87         .setDeoptReason(node->GetBailoutReason())
     88         .setId(node->GetNodeId());
     89     return result.release();
     90 }
     91 
     92 PassRefPtr<TypeBuilder::Profiler::CPUProfileNode> ScriptProfile::buildInspectorObjectForHead() const
     93 {
     94     return buildInspectorObjectFor(m_profile->GetTopDownRoot());
     95 }
     96 
     97 PassRefPtr<TypeBuilder::Array<int> > ScriptProfile::buildInspectorObjectForSamples() const
     98 {
     99     RefPtr<TypeBuilder::Array<int> > array = TypeBuilder::Array<int>::create();
    100     int count = m_profile->GetSamplesCount();
    101     for (int i = 0; i < count; i++)
    102         array->addItem(m_profile->GetSample(i)->GetNodeId());
    103     return array.release();
    104 }
    105 
    106 PassRefPtr<TypeBuilder::Array<double> > ScriptProfile::buildInspectorObjectForTimestamps() const
    107 {
    108     RefPtr<TypeBuilder::Array<double> > array = TypeBuilder::Array<double>::create();
    109     int count = m_profile->GetSamplesCount();
    110     for (int i = 0; i < count; i++)
    111         array->addItem(m_profile->GetSampleTimestamp(i));
    112     return array.release();
    113 }
    114 
    115 } // namespace blink
    116