v8::CpuProfileNode Class Reference

CpuProfileNode represents a node in a call graph. More...

#include <v8-profiler.h>

Collaboration diagram for v8::CpuProfileNode:

Public Member Functions
Handle< String >	GetFunctionName () const
	Returns function name (empty string for anonymous functions.) More...
int	GetScriptId () const
	Returns id of the script where function is located. More...
Handle< String >	GetScriptResourceName () const
	Returns resource name for script from where the function originates. More...
int	GetLineNumber () const
	Returns the number, 1-based, of the line where the function originates. More...
int	GetColumnNumber () const
	Returns 1-based number of the column where the function originates. More...
const char *	GetBailoutReason () const
	Returns bailout reason for the function if the optimization was disabled for it. More...
unsigned	GetHitCount () const
	Returns the count of samples where the function was currently executing. More...
unsigned	GetCallUid () const
	Returns function entry UID. More...
unsigned	GetNodeId () const
	Returns id of the node. More...
int	GetChildrenCount () const
	Returns child nodes count of the node. More...
const CpuProfileNode *	GetChild (int index) const
	Retrieves a child node by index. More...

Static Public Attributes
static const int	kNoLineNumberInfo = Message::kNoLineNumberInfo
static const int	kNoColumnNumberInfo = Message::kNoColumnInfo

Detailed Description

CpuProfileNode represents a node in a call graph.

Definition at line 23 of file v8-profiler.h.

Member Function Documentation

GetBailoutReason()

const char * v8::CpuProfileNode::GetBailoutReason

(

)

const

Returns bailout reason for the function if the optimization was disabled for it.

Definition at line 7085 of file api.cc.

                                                   {
  const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
  return node->entry()->bailout_reason();
}

References v8::internal::CodeEntry::bailout_reason(), and v8::internal::ProfileNode::entry().

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GetCallUid()

unsigned v8::CpuProfileNode::GetCallUid

(

)

const

Returns function entry UID.

Definition at line 7096 of file api.cc.

                                          {
  return reinterpret_cast<const i::ProfileNode*>(this)->entry()->GetCallUid();
}

GetChild()

const CpuProfileNode * v8::CpuProfileNode::GetChild

(

int

index

)

const

Retrieves a child node by index.

Definition at line 7111 of file api.cc.

                                                              {
  const i::ProfileNode* child =
      reinterpret_cast<const i::ProfileNode*>(this)->children()->at(index);
  return reinterpret_cast<const CpuProfileNode*>(child);
}

GetChildrenCount()

int v8::CpuProfileNode::GetChildrenCount

(

)

const

Returns child nodes count of the node.

Definition at line 7106 of file api.cc.

                                           {
  return reinterpret_cast<const i::ProfileNode*>(this)->children()->length();
}

GetColumnNumber()

int v8::CpuProfileNode::GetColumnNumber

(

)

const

Returns 1-based number of the column where the function originates.

kNoColumnNumberInfo if no column number information is available.

Definition at line 7079 of file api.cc.

                                          {
  return reinterpret_cast<const i::ProfileNode*>(this)->
      entry()->column_number();
}

GetFunctionName()

Handle< String > v8::CpuProfileNode::GetFunctionName

(

)

const

Returns function name (empty string for anonymous functions.)

Definition at line 7041 of file api.cc.

                                                     {
  i::Isolate* isolate = i::Isolate::Current();
  const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
  const i::CodeEntry* entry = node->entry();
  i::Handle<i::String> name =
      isolate->factory()->InternalizeUtf8String(entry->name());
  if (!entry->has_name_prefix()) {
    return ToApiHandle<String>(name);
  } else {
    // We do not expect this to fail. Change this if it does.
    i::Handle<i::String> cons = isolate->factory()->NewConsString(
        isolate->factory()->InternalizeUtf8String(entry->name_prefix()),
        name).ToHandleChecked();
    return ToApiHandle<String>(cons);
  }
}

References v8::internal::ProfileNode::entry(), v8::internal::Isolate::factory(), v8::internal::CodeEntry::has_name_prefix(), name, v8::internal::CodeEntry::name(), and v8::internal::CodeEntry::name_prefix().

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GetHitCount()

unsigned v8::CpuProfileNode::GetHitCount

(

)

const

Returns the count of samples where the function was currently executing.

Definition at line 7091 of file api.cc.

                                           {
  return reinterpret_cast<const i::ProfileNode*>(this)->self_ticks();
}

GetLineNumber()

int v8::CpuProfileNode::GetLineNumber

(

)

const

Returns the number, 1-based, of the line where the function originates.

kNoLineNumberInfo if no line number information is available.

Definition at line 7074 of file api.cc.

                                        {
  return reinterpret_cast<const i::ProfileNode*>(this)->entry()->line_number();
}

GetNodeId()

unsigned v8::CpuProfileNode::GetNodeId

(

)

const

Returns id of the node.

The id is unique within the tree

Definition at line 7101 of file api.cc.

                                         {
  return reinterpret_cast<const i::ProfileNode*>(this)->id();
}

GetScriptId()

int v8::CpuProfileNode::GetScriptId

(

)

const

Returns id of the script where function is located.

Definition at line 7059 of file api.cc.

                                      {
  const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
  const i::CodeEntry* entry = node->entry();
  return entry->script_id();
}

References v8::internal::ProfileNode::entry(), and v8::internal::CodeEntry::script_id().

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GetScriptResourceName()

Handle< String > v8::CpuProfileNode::GetScriptResourceName

(

)

const

Returns resource name for script from where the function originates.

Definition at line 7066 of file api.cc.

                                                           {
  i::Isolate* isolate = i::Isolate::Current();
  const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
  return ToApiHandle<String>(isolate->factory()->InternalizeUtf8String(
      node->entry()->resource_name()));
}

References v8::internal::ProfileNode::entry(), v8::internal::Isolate::factory(), and v8::internal::CodeEntry::resource_name().

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Member Data Documentation

kNoColumnNumberInfo

const int v8::CpuProfileNode::kNoColumnNumberInfo = Message::kNoColumnInfo

static

Definition at line 69 of file v8-profiler.h.

kNoLineNumberInfo

const int v8::CpuProfileNode::kNoLineNumberInfo = Message::kNoLineNumberInfo

static

Definition at line 68 of file v8-profiler.h.

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The documentation for this class was generated from the following files:

• /mnt/V8SourceCode/include/v8-profiler.h
• /mnt/V8SourceCode/src/api.cc