dart::ProfileFunction Class Reference

#include <profiler_service.h>

Inheritance diagram for dart::ProfileFunction:

Public Types
enum	Kind {   kDartFunction , kNativeFunction , kTagFunction , kStubFunction ,   kUnknownFunction }

Public Member Functions
	ProfileFunction (Kind kind, const char *name, const Function &function, const intptr_t table_index)
const char *	name () const
const char *	Name () const
const Function *	function () const
const char *	ResolvedScriptUrl () const
bool	is_visible () const
intptr_t	table_index () const
Kind	kind () const
intptr_t	exclusive_ticks () const
intptr_t	inclusive_ticks () const
void	IncInclusiveTicks ()
void	Tick (bool exclusive, intptr_t inclusive_serial, TokenPosition token_position)
void	PrintToJSONArray (JSONArray *functions, bool print_only_ids=false)
bool	GetSinglePosition (ProfileFunctionSourcePosition *pfsp)
void	TickSourcePosition (TokenPosition token_position, bool exclusive)
intptr_t	NumSourcePositions () const
const ProfileFunctionSourcePosition &	GetSourcePosition (intptr_t i) const
Public Member Functions inherited from dart::ZoneAllocated
	ZoneAllocated ()
void *	operator new (size_t size)
void *	operator new (size_t size, Zone *zone)
void	operator delete (void *pointer)

Static Public Member Functions
static const char *	KindToCString (Kind kind)

Friends
class	ProfileCode
class	ProfileBuilder

Detailed Description

Definition at line 136 of file profiler_service.h.

Member Enumeration Documentation

Kind

enum dart::ProfileFunction::Kind

Enumerator
kDartFunction
kNativeFunction
kTagFunction
kStubFunction
kUnknownFunction

Definition at line 138 of file profiler_service.h.

            {
    kDartFunction,     // Dart function.
    kNativeFunction,   // Synthetic function for Native (C/C++).
    kTagFunction,      // Synthetic function for a VM or User tag.
    kStubFunction,     // Synthetic function for stub code.
    kUnknownFunction,  // A singleton function for unknown objects.
  };

Constructor & Destructor Documentation

ProfileFunction()

dart::ProfileFunction::ProfileFunction	(	Kind	kind,
		const char *	name,
		const Function &	function,
		const intptr_t	table_index
	)

Definition at line 56 of file profiler_service.cc.

    : kind_(kind),
      name_(name),
      function_(Function::ZoneHandle(function.ptr())),
      table_index_(table_index),
      profile_codes_(0),
      source_position_ticks_(0),
      exclusive_ticks_(0),
      inclusive_ticks_(0),
      inclusive_serial_(-1) {
  ASSERT((kind_ != kDartFunction) || !function_.IsNull());
  ASSERT((kind_ != kDartFunction) || (table_index_ >= 0));
  ASSERT(profile_codes_.length() == 0);
}

Member Function Documentation

exclusive_ticks()

intptr_t dart::ProfileFunction::exclusive_ticks ( ) const

inline

Definition at line 169 of file profiler_service.h.

{ return exclusive_ticks_; }

function()

const Function * dart::ProfileFunction::function ( ) const

inline

Definition at line 158 of file profiler_service.h.

{ return &function_; }

GetSinglePosition()

bool dart::ProfileFunction::GetSinglePosition

(

ProfileFunctionSourcePosition *

pfsp

)

Definition at line 230 of file profiler_service.cc.

                                                                           {
  if (pfsp == nullptr) {
    return false;
  }
  if (source_position_ticks_.length() != 1) {
    return false;
  }
  *pfsp = source_position_ticks_[0];
  return true;
}

GetSourcePosition()

const ProfileFunctionSourcePosition & dart::ProfileFunction::GetSourcePosition ( intptr_t  i ) const

inline

Definition at line 191 of file profiler_service.h.

                                                                           {
    return source_position_ticks_.At(i);
  }

IncInclusiveTicks()

void dart::ProfileFunction::IncInclusiveTicks ( )

inline

Definition at line 172 of file profiler_service.h.

{ inclusive_ticks_++; }

inclusive_ticks()

intptr_t dart::ProfileFunction::inclusive_ticks ( ) const

inline

Definition at line 170 of file profiler_service.h.

{ return inclusive_ticks_; }

is_visible()

bool dart::ProfileFunction::is_visible

(

)

const

Definition at line 99 of file profiler_service.cc.

                                       {
  if (function_.IsNull()) {
    // Some synthetic function.
    return true;
  }
  return FLAG_show_invisible_frames || function_.is_visible();
}

kind()

Kind dart::ProfileFunction::kind ( ) const

inline

Definition at line 167 of file profiler_service.h.

{ return kind_; }

KindToCString()

const char * dart::ProfileFunction::KindToCString ( Kind  kind )

static

Definition at line 162 of file profiler_service.cc.

                                                    {
  switch (kind) {
    case kDartFunction:
      return "Dart";
    case kNativeFunction:
      return "Native";
    case kTagFunction:
      return "Tag";
    case kStubFunction:
      return "Stub";
    case kUnknownFunction:
      return "Collected";
    default:
      UNIMPLEMENTED();
      return "";
  }
}

name()

const char * dart::ProfileFunction::name ( ) const

inline

Definition at line 151 of file profiler_service.h.

                           {
    ASSERT(name_ != nullptr);
    return name_;
  }

Name()

const char * dart::ProfileFunction::Name

(

)

const

Definition at line 74 of file profiler_service.cc.

                                        {
  if (name_ != nullptr) {
    return name_;
  }
  ASSERT(!function_.IsNull());
  const String& func_name =
      String::Handle(function_.QualifiedUserVisibleName());
  return func_name.ToCString();
}

NumSourcePositions()

intptr_t dart::ProfileFunction::NumSourcePositions ( ) const

inline

Definition at line 187 of file profiler_service.h.

                                      {
    return source_position_ticks_.length();
  }

PrintToJSONArray()

void dart::ProfileFunction::PrintToJSONArray	(	JSONArray *	functions,
		bool	print_only_ids = false
	)

Definition at line 186 of file profiler_service.cc.

                                                            {
  if (print_only_ids) {
    JSONObject obj(functions);
    if (kind() == kDartFunction) {
      ASSERT(!function_.IsNull());
      obj.AddProperty("type", "@Object");
      function_.AddFunctionServiceId(obj);
    } else {
      PrintToJSONObject(&obj);
    }
    return;
  }
  JSONObject obj(functions);
  obj.AddProperty("type", "ProfileFunction");
  obj.AddProperty("kind", KindToCString(kind()));
  obj.AddProperty("inclusiveTicks", inclusive_ticks());
  obj.AddProperty("exclusiveTicks", exclusive_ticks());
  obj.AddProperty("resolvedUrl", ResolvedScriptUrl());
  if (kind() == kDartFunction) {
    ASSERT(!function_.IsNull());
    obj.AddProperty("function", function_);
  } else {
    JSONObject func(&obj, "function");
    PrintToJSONObject(&func);
  }
  {
    JSONArray codes(&obj, "_codes");
    for (intptr_t i = 0; i < profile_codes_.length(); i++) {
      intptr_t code_index = profile_codes_[i];
      codes.AddValue(code_index);
    }
  }
}

ResolvedScriptUrl()

const char * dart::ProfileFunction::ResolvedScriptUrl

(

)

const

Definition at line 84 of file profiler_service.cc.

                                                     {
  if (function_.IsNull()) {
    return nullptr;
  }
  const Script& script = Script::Handle(function_.script());
  if (script.IsNull()) {
    return nullptr;
  }
  const String& uri = String::Handle(script.resolved_url());
  if (uri.IsNull()) {
    return nullptr;
  }
  return uri.ToCString();
}

table_index()

intptr_t dart::ProfileFunction::table_index ( ) const

inline

Definition at line 165 of file profiler_service.h.

{ return table_index_; }

Tick()

void dart::ProfileFunction::Tick	(	bool	exclusive,
		intptr_t	inclusive_serial,
		TokenPosition	token_position
	)

Definition at line 107 of file profiler_service.cc.

                                                         {
  if (exclusive) {
    exclusive_ticks_++;
    TickSourcePosition(token_position, exclusive);
  }
  // Fall through and tick inclusive count too.
  if (inclusive_serial_ == inclusive_serial) {
    // Already ticked.
    return;
  }
  inclusive_serial_ = inclusive_serial;
  inclusive_ticks_++;
  TickSourcePosition(token_position, false);
}

TickSourcePosition()

void dart::ProfileFunction::TickSourcePosition	(	TokenPosition	token_position,
		bool	exclusive
	)

Definition at line 124 of file profiler_service.cc.

                                                         {
  intptr_t i = 0;
  for (; i < source_position_ticks_.length(); i++) {
    ProfileFunctionSourcePosition& position = source_position_ticks_[i];
    const intptr_t cmp =
        TokenPosition::CompareForSorting(position.token_pos(), token_position);
    if (cmp > 0) {
      // Found insertion point.
      break;
    } else if (cmp == 0) {
      if (FLAG_trace_profiler_verbose) {
        OS::PrintErr("Ticking source position %s %s\n",
                     exclusive ? "exclusive" : "inclusive",
                     token_position.ToCString());
      }
      // Found existing position, tick it.
      position.Tick(exclusive);
      return;
    }
  }
 
  // Add new one, sorted by token position value.
  ProfileFunctionSourcePosition pfsp(token_position);
  if (FLAG_trace_profiler_verbose) {
    OS::PrintErr("Ticking source position %s %s\n",
                 exclusive ? "exclusive" : "inclusive",
                 token_position.ToCString());
  }
  pfsp.Tick(exclusive);
 
  if (i < source_position_ticks_.length()) {
    source_position_ticks_.InsertAt(i, pfsp);
  } else {
    source_position_ticks_.Add(pfsp);
  }
}

Friends And Related Symbol Documentation

ProfileBuilder

friend class ProfileBuilder

friend

Definition at line 212 of file profiler_service.h.

ProfileCode

friend class ProfileCode

friend

Definition at line 211 of file profiler_service.h.

---

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

• third_party/dart-lang/sdk/runtime/vm/profiler_service.h
• third_party/dart-lang/sdk/runtime/vm/profiler_service.cc