src/third_party/WebKit/Source/core/inspector/ScriptProfile.cpp

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  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
  39 namespace WebCore {
  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 RefPtr<TypeBuilder::Array<TypeBuilder::Profiler::LineTick> > buildInspectorObjectForLineTicks(const v8::CpuProfileNode* node)
  68 {
  69     RefPtr<TypeBuilder::Array<TypeBuilder::Profiler::LineTick> > array = TypeBuilder::Array<TypeBuilder::Profiler::LineTick>::create();
  70     unsigned int lineCount = node->GetHitLineCount();
  71     if (lineCount) {
  72         Vector<v8::LineTick> entries(lineCount);
  73         bool res = node->GetLineTicks(&entries[0], lineCount);
  74         if (res) {
  75             for (unsigned int i = 0; i < lineCount; i++) {
  76                 RefPtr<TypeBuilder::Profiler::LineTick> line = TypeBuilder::Profiler::LineTick::create()
  77                     .setLine(entries[i].line)
  78                     .setTicks(entries[i].ticks);
  79                 array->addItem(line);
  80                 line.release();
  81             }
  82         }
  83     }
  84     return array;
  85 }
  86
  87 static PassRefPtr<TypeBuilder::Profiler::CPUProfileNode> buildInspectorObjectFor(const v8::CpuProfileNode* node)
  88 {
  89     v8::HandleScope handleScope(v8::Isolate::GetCurrent());
  90
  91     RefPtr<TypeBuilder::Array<TypeBuilder::Profiler::CPUProfileNode> > children = TypeBuilder::Array<TypeBuilder::Profiler::CPUProfileNode>::create();
  92     const int childrenCount = node->GetChildrenCount();
  93     for (int i = 0; i < childrenCount; i++) {
  94         const v8::CpuProfileNode* child = node->GetChild(i);
  95         children->addItem(buildInspectorObjectFor(child));
  96     }
  97
  98     RefPtr<TypeBuilder::Array<TypeBuilder::Profiler::LineTick> > lineTicks = buildInspectorObjectForLineTicks(node);
  99
 100     RefPtr<TypeBuilder::Profiler::CPUProfileNode> result = TypeBuilder::Profiler::CPUProfileNode::create()
 101         .setFunctionName(toCoreString(node->GetFunctionName()))
 102         .setScriptId(String::number(node->GetScriptId()))
 103         .setUrl(toCoreString(node->GetScriptResourceName()))
 104         .setLineNumber(node->GetLineNumber())
 105         .setColumnNumber(node->GetColumnNumber())
 106         .setHitCount(node->GetHitCount())
 107         .setCallUID(node->GetCallUid())
 108         .setChildren(children.release())
 109         .setLineTicks(lineTicks.release())
 110         .setDeoptReason(node->GetBailoutReason())
 111         .setId(node->GetNodeId());
 112     return result.release();
 113 }
 114
 115 PassRefPtr<TypeBuilder::Profiler::CPUProfileNode> ScriptProfile::buildInspectorObjectForHead() const
 116 {
 117     return buildInspectorObjectFor(m_profile->GetTopDownRoot());
 118 }
 119
 120 PassRefPtr<TypeBuilder::Array<int> > ScriptProfile::buildInspectorObjectForSamples() const
 121 {
 122     RefPtr<TypeBuilder::Array<int> > array = TypeBuilder::Array<int>::create();
 123     int count = m_profile->GetSamplesCount();
 124     for (int i = 0; i < count; i++)
 125         array->addItem(m_profile->GetSample(i)->GetNodeId());
 126     return array.release();
 127 }
 128
 129 PassRefPtr<TypeBuilder::Array<double> > ScriptProfile::buildInspectorObjectForTimestamps() const
 130 {
 131     RefPtr<TypeBuilder::Array<double> > array = TypeBuilder::Array<double>::create();
 132     int count = m_profile->GetSamplesCount();
 133     for (int i = 0; i < count; i++)
 134         array->addItem(m_profile->GetSampleTimestamp(i));
 135     return array.release();
 136 }
 137
 138 } // namespace WebCore