Logger Class Reference

#include <log.h>

Data Structures
class	TimerEventScope

Public Types
enum	LogEventsAndTags { NUMBER_OF_LOG_EVENTS }
enum	StartEnd { START, END }

Public Member Functions
bool	SetUp (Isolate *isolate)
void	SetCodeEventHandler (uint32_t options, JitCodeEventHandler event_handler)
Sampler *	sampler ()
FILE *	TearDown ()
void	StringEvent (const char *name, const char *value)
void	IntEvent (const char *name, int value)
void	IntPtrTEvent (const char *name, intptr_t value)
void	HandleEvent (const char *name, Object **location)
void	NewEvent (const char *name, void *object, size_t size)
void	DeleteEvent (const char *name, void *object)
void	ResourceEvent (const char *name, const char *tag)
void	SuspectReadEvent (Name *name, Object *obj)
void	DebugTag (const char *call_site_tag)
void	DebugEvent (const char *event_type, Vector< uint16_t > parameter)
void	ApiNamedSecurityCheck (Object *key)
void	ApiIndexedSecurityCheck (uint32_t index)
void	ApiNamedPropertyAccess (const char *tag, JSObject *holder, Object *name)
void	ApiIndexedPropertyAccess (const char *tag, JSObject *holder, uint32_t index)
void	ApiObjectAccess (const char *tag, JSObject *obj)
void	ApiEntryCall (const char *name)
void	addCodeEventListener (CodeEventListener *listener)
void	removeCodeEventListener (CodeEventListener *listener)
bool	hasCodeEventListener (CodeEventListener *listener)
void	CallbackEvent (Name *name, Address entry_point)
void	GetterCallbackEvent (Name *name, Address entry_point)
void	SetterCallbackEvent (Name *name, Address entry_point)
void	CodeCreateEvent (LogEventsAndTags tag, Code *code, const char *source)
void	CodeCreateEvent (LogEventsAndTags tag, Code *code, Name *name)
void	CodeCreateEvent (LogEventsAndTags tag, Code *code, SharedFunctionInfo *shared, CompilationInfo *info, Name *name)
void	CodeCreateEvent (LogEventsAndTags tag, Code *code, SharedFunctionInfo *shared, CompilationInfo *info, Name *source, int line, int column)
void	CodeCreateEvent (LogEventsAndTags tag, Code *code, int args_count)
void	CodeMovingGCEvent ()
void	RegExpCodeCreateEvent (Code *code, String *source)
void	CodeMoveEvent (Address from, Address to)
void	CodeDeleteEvent (Address from)
void	CodeLinePosInfoAddPositionEvent (void *jit_handler_data, int pc_offset, int position)
void	CodeLinePosInfoAddStatementPositionEvent (void *jit_handler_data, int pc_offset, int position)
void	CodeStartLinePosInfoRecordEvent (PositionsRecorder *pos_recorder)
void	CodeEndLinePosInfoRecordEvent (Code *code, void *jit_handler_data)
void	SharedFunctionInfoMoveEvent (Address from, Address to)
void	CodeNameEvent (Address addr, int pos, const char *code_name)
void	SnapshotPositionEvent (Address addr, int pos)
void	HeapSampleBeginEvent (const char *space, const char *kind)
void	HeapSampleEndEvent (const char *space, const char *kind)
void	HeapSampleItemEvent (const char *type, int number, int bytes)
void	HeapSampleJSConstructorEvent (const char *constructor, int number, int bytes)
void	HeapSampleJSRetainersEvent (const char *constructor, const char *event)
void	HeapSampleJSProducerEvent (const char *constructor, Address *stack)
void	HeapSampleStats (const char *space, const char *kind, intptr_t capacity, intptr_t used)
void	SharedLibraryEvent (const char *library_path, uintptr_t start, uintptr_t end)
void	SharedLibraryEvent (const wchar_t *library_path, uintptr_t start, uintptr_t end)
void	CodeDeoptEvent (Code *code)
void	TimerEvent (StartEnd se, const char *name)
void	RegExpCompileEvent (Handle< JSRegExp > regexp, bool in_cache)
void	LogRuntime (Vector< const char > format, Handle< JSArray > args)
bool	is_logging ()
bool	is_logging_code_events ()
void	StopProfiler ()
void	LogExistingFunction (Handle< SharedFunctionInfo > shared, Handle< Code > code)
void	LogCompiledFunctions ()
void	LogAccessorCallbacks ()
void	LogCodeObjects ()
	INLINE (static LogEventsAndTags ToNativeByScript(LogEventsAndTags, Script *))
void	LogFailure ()

Static Public Member Functions
static void	NewEventStatic (const char *name, void *object, size_t size)
static void	DeleteEventStatic (const char *name, void *object)
static void	EnterExternal (Isolate *isolate)
static void	LeaveExternal (Isolate *isolate)
static void	EmptyLogInternalEvents (const char *name, int se)
static void	LogInternalEvents (const char *name, int se)

Static Public Attributes
static const int	kSamplingIntervalMs = 1

Friends
class	EventLog
class	Isolate
class	TimeLog
class	Profiler
template<StateTag Tag>
class	VMState
class	LoggerTestHelper
class	CpuProfiler

Detailed Description

Definition at line 167 of file log.h.

Member Enumeration Documentation

enum LogEventsAndTags

Enumerator
NUMBER_OF_LOG_EVENTS

Definition at line 170 of file log.h.

enum StartEnd

Enumerator
START
END

Definition at line 310 of file log.h.

Member Function Documentation

void addCodeEventListener

(

CodeEventListener *

listener

)

Definition at line 953 of file log.cc.

References ASSERT, and Logger::hasCodeEventListener().

Referenced by CodeAddressMap::CodeAddressMap(), Logger::SetCodeEventHandler(), and Logger::SetUp().

void ApiEntryCall

(

const char *

name

)

Definition at line 1294 of file log.cc.

References Log::IsEnabled().

void ApiIndexedPropertyAccess	(	const char *	tag,
		JSObject *	holder,
		uint32_t	index
	)

Definition at line 1274 of file log.cc.

References JSReceiver::class_name(), v8::internal::DISALLOW_NULLS, SmartPointerBase< Deallocator, T >::get(), Log::IsEnabled(), v8::internal::ROBUST_STRING_TRAVERSAL, and String::ToCString().

void ApiIndexedSecurityCheck

(

uint32_t

index

)

Definition at line 1241 of file log.cc.

References Log::IsEnabled().

void ApiNamedPropertyAccess	(	const char *	tag,
		JSObject *	holder,
		Object *	name
	)

Definition at line 1247 of file log.cc.

References ASSERT, Symbol::cast(), String::cast(), JSReceiver::class_name(), v8::internal::DISALLOW_NULLS, SmartPointerBase< Deallocator, T >::get(), Name::Hash(), Log::IsEnabled(), v8::internal::ROBUST_STRING_TRAVERSAL, ToCString(), and String::ToCString().

void ApiNamedSecurityCheck

(

Object *

key

)

Definition at line 1039 of file log.cc.

References Symbol::cast(), String::cast(), v8::internal::DISALLOW_NULLS, SmartPointerBase< Deallocator, T >::get(), Name::Hash(), Log::IsEnabled(), v8::internal::ROBUST_STRING_TRAVERSAL, ToCString(), and String::ToCString().

void ApiObjectAccess	(	const char *	tag,
		JSObject *	obj
	)

Definition at line 1285 of file log.cc.

References v8::internal::DISALLOW_NULLS, SmartPointerBase< Deallocator, T >::get(), Log::IsEnabled(), v8::internal::ROBUST_STRING_TRAVERSAL, and String::ToCString().

void CallbackEvent	(	Name *	name,
		Address	entry_point
	)

Definition at line 1355 of file log.cc.

References PROFILER_LOG.

Referenced by Logger::LogExistingFunction().

void CodeCreateEvent	(	LogEventsAndTags	tag,
		Code *	code,
		const char *	source
	)

Definition at line 1386 of file log.cc.

References CALL_LISTENERS, Logger::is_logging_code_events(), Log::IsEnabled(), and PROFILER_LOG.

Referenced by Logger::CodeCreateEvent(), and Logger::LogExistingFunction().

void CodeCreateEvent	(	LogEventsAndTags	tag,
		Code *	code,
		Name *	name
	)

Definition at line 1403 of file log.cc.

References CALL_LISTENERS, Symbol::cast(), String::cast(), Logger::CodeCreateEvent(), Logger::is_logging_code_events(), Log::IsEnabled(), and PROFILER_LOG.

void CodeCreateEvent	(	LogEventsAndTags	tag,
		Code *	code,
		SharedFunctionInfo *	shared,
		CompilationInfo *	info,
		Name *	name
	)

Definition at line 1426 of file log.cc.

References HeapObject::address(), Builtins::builtin(), Isolate::builtins(), CALL_LISTENERS, Symbol::cast(), String::cast(), Logger::CodeCreateEvent(), v8::internal::DISALLOW_NULLS, SmartPointerBase< Deallocator, T >::get(), Logger::is_logging_code_events(), Log::IsEnabled(), PROFILER_LOG, v8::internal::ROBUST_STRING_TRAVERSAL, and String::ToCString().

void CodeCreateEvent	(	LogEventsAndTags	tag,
		Code *	code,
		SharedFunctionInfo *	shared,
		CompilationInfo *	info,
		Name *	source,
		int	line,
		int	column
	)

Definition at line 1460 of file log.cc.

References HeapObject::address(), CALL_LISTENERS, Symbol::cast(), String::cast(), Logger::CodeCreateEvent(), SharedFunctionInfo::DebugName(), v8::internal::DISALLOW_NULLS, SmartPointerBase< Deallocator, T >::get(), Logger::is_logging_code_events(), Log::IsEnabled(), PROFILER_LOG, v8::internal::ROBUST_STRING_TRAVERSAL, and String::ToCString().

void CodeCreateEvent	(	LogEventsAndTags	tag,
		Code *	code,
		int	args_count
	)

Definition at line 1492 of file log.cc.

References CALL_LISTENERS, Logger::CodeCreateEvent(), Logger::is_logging_code_events(), Log::IsEnabled(), and PROFILER_LOG.

void CodeDeleteEvent

(

Address

from

)

Definition at line 1545 of file log.cc.

References CALL_LISTENERS, Logger::is_logging_code_events(), Log::IsEnabled(), and PROFILER_LOG.

void CodeDeoptEvent

(

Code *

code

)

Definition at line 1091 of file log.cc.

References ASSERT, Code::CodeSize(), and Log::IsEnabled().

void CodeEndLinePosInfoRecordEvent	(	Code *	code,
		void *	jit_handler_data
	)

Definition at line 1587 of file log.cc.

References JIT_LOG.

void CodeLinePosInfoAddPositionEvent	(	void *	jit_handler_data,
		int	pc_offset,
		int	position
	)

Definition at line 1560 of file log.cc.

References JIT_LOG, and JitCodeEvent::POSITION.

void CodeLinePosInfoAddStatementPositionEvent	(	void *	jit_handler_data,
		int	pc_offset,
		int	position
	)

Definition at line 1570 of file log.cc.

References JIT_LOG, and JitCodeEvent::STATEMENT_POSITION.

void CodeMoveEvent	(	Address	from,
		Address	to
	)

Definition at line 1536 of file log.cc.

References CALL_LISTENERS, Logger::is_logging_code_events(), and PROFILER_LOG.

void CodeMovingGCEvent

(

)

Definition at line 1509 of file log.cc.

References CALL_LISTENERS, Logger::is_logging_code_events(), Log::IsEnabled(), PROFILER_LOG, and OS::SignalCodeMovingGC().

void CodeNameEvent	(	Address	addr,
		int	pos,
		const char *	code_name
	)

Definition at line 1593 of file log.cc.

References v8::internal::NULL.

void CodeStartLinePosInfoRecordEvent

(

PositionsRecorder *

pos_recorder

)

Definition at line 1580 of file log.cc.

References v8::internal::NULL, and JitLogger::StartCodePosInfoEvent().

void DebugEvent	(	const char *	event_type,
		Vector< uint16_t >	parameter
	)

Definition at line 1710 of file log.cc.

References SimpleStringBuilder::AddCharacter(), v8::internal::DeleteArray(), Log::IsEnabled(), Vector< T >::length(), and OS::TimeCurrentMillis().

void DebugTag

(

const char *

call_site_tag

)

Definition at line 1702 of file log.cc.

References Log::IsEnabled().

void DeleteEvent	(	const char *	name,
		void *	object
	)

Definition at line 1309 of file log.cc.

References Log::IsEnabled(), and V8PRIxPTR.

void DeleteEventStatic ( const char *  name, void *  object  )

static

Definition at line 1322 of file log.cc.

static void EmptyLogInternalEvents ( const char *  name, int  se  )

inlinestatic

Definition at line 319 of file log.h.

void EnterExternal ( Isolate *  isolate )

static

Definition at line 1113 of file log.cc.

References ASSERT, v8::internal::EXTERNAL, v8::internal::JS, LOG, Logger::START, Logger::TimerEvent(), and Logger::TimerEventScope::v8_external.

void GetterCallbackEvent	(	Name *	name,
		Address	entry_point
	)

Definition at line 1361 of file log.cc.

References PROFILER_LOG.

Referenced by Logger::LogAccessorCallbacks().

void HandleEvent	(	const char *	name,
		Object **	location
	)

Definition at line 1017 of file log.cc.

References Log::IsEnabled(), and V8PRIxPTR.

bool hasCodeEventListener

(

CodeEventListener *

listener

)

Definition at line 965 of file log.cc.

Referenced by Logger::addCodeEventListener(), and Logger::removeCodeEventListener().

void HeapSampleBeginEvent	(	const char *	space,
		const char *	kind
	)

Definition at line 1675 of file log.cc.

References Log::IsEnabled(), and OS::TimeCurrentMillis().

void HeapSampleEndEvent	(	const char *	space,
		const char *	kind
	)

Definition at line 1686 of file log.cc.

References Log::IsEnabled().

void HeapSampleItemEvent	(	const char *	type,
		int	number,
		int	bytes
	)

Definition at line 1694 of file log.cc.

References Log::IsEnabled().

void HeapSampleJSConstructorEvent	(	const char *	constructor,
		int	number,
		int	bytes
	)

void HeapSampleJSProducerEvent	(	const char *	constructor,
		Address *	stack
	)

void HeapSampleJSRetainersEvent	(	const char *	constructor,
		const char *	event
	)

void HeapSampleStats	(	const char *	space,
		const char *	kind,
		intptr_t	capacity,
		intptr_t	used
	)

INLINE

(

static LogEventsAndTags

ToNativeByScriptLogEventsAndTags, Script *

)

void IntEvent	(	const char *	name,
		int	value
	)

Definition at line 991 of file log.cc.

void IntPtrTEvent	(	const char *	name,
		intptr_t	value
	)

Definition at line 996 of file log.cc.

bool is_logging ( )

inline

Definition at line 354 of file log.h.

Referenced by Logger::is_logging_code_events(), and CodeGenerator::ShouldGenerateLog().

bool is_logging_code_events ( )

inline

Definition at line 358 of file log.h.

References Logger::is_logging(), and v8::internal::NULL.

Referenced by Logger::CodeCreateEvent(), Logger::CodeDeleteEvent(), Logger::CodeMoveEvent(), Logger::CodeMovingGCEvent(), Compiler::RecordFunctionCompilation(), Logger::RegExpCodeCreateEvent(), and Logger::SharedFunctionInfoMoveEvent().

void LeaveExternal ( Isolate *  isolate )

static

Definition at line 1120 of file log.cc.

References ASSERT, Logger::END, v8::internal::EXTERNAL, v8::internal::JS, LOG, Logger::TimerEvent(), and Logger::TimerEventScope::v8_external.

void LogAccessorCallbacks

(

)

Definition at line 1971 of file log.cc.

References Name::cast(), ExecutableAccessorInfo::cast(), Heap::CollectAllGarbage(), Logger::GetterCallbackEvent(), Isolate::heap(), Heap::kMakeHeapIterableMask, v8::internal::NULL, obj, PROFILE, and Logger::SetterCallbackEvent().

Referenced by TEST().

void LogCodeObjects

(

)

Definition at line 1890 of file log.cc.

References Heap::CollectAllGarbage(), Isolate::heap(), Heap::kMakeHeapIterableMask, v8::internal::NULL, and obj.

Referenced by Logger::SetCodeEventHandler().

void LogCompiledFunctions

(

)

Definition at line 1950 of file log.cc.

References Isolate::builtins(), Heap::CollectAllGarbage(), Isolate::heap(), Heap::kMakeHeapIterableMask, Logger::LogExistingFunction(), v8::internal::NULL, and Vector< T >::start().

Referenced by Logger::SetCodeEventHandler(), and TEST().

void LogExistingFunction	(	Handle< SharedFunctionInfo >	shared,
		Handle< Code >	code
	)

Definition at line 1902 of file log.cc.

References Logger::CallbackEvent(), Script::cast(), String::cast(), CallHandlerInfo::cast(), Logger::CodeCreateEvent(), v8::internal::GetScriptColumnNumber(), v8::internal::GetScriptLineNumber(), Isolate::heap(), v8::internal::NULL, and PROFILE.

Referenced by Logger::LogCompiledFunctions().

void LogFailure

(

)

Definition at line 1764 of file log.cc.

References Logger::StopProfiler().

void LogInternalEvents ( const char *  name, int  se  )

static

Definition at line 1127 of file log.cc.

References LOG, and Logger::TimerEvent().

void LogRuntime	(	Vector< const char >	format,
		Handle< JSArray >	args
	)

Definition at line 1200 of file log.cc.

References ASSERT, Smi::cast(), String::cast(), Object::GetElementNoExceptionThrown(), Log::IsEnabled(), Vector< T >::length(), obj, UNREACHABLE, and Smi::value().

void NewEvent	(	const char *	name,
		void *	object,
		size_t	size
	)

Definition at line 1300 of file log.cc.

References Log::IsEnabled(), and V8PRIxPTR.

void NewEventStatic ( const char *  name, void *  object, size_t  size  )

static

Definition at line 1317 of file log.cc.

void RegExpCodeCreateEvent	(	Code *	code,
		String *	source
	)

Definition at line 1519 of file log.cc.

References CALL_LISTENERS, Logger::is_logging_code_events(), Log::IsEnabled(), and PROFILER_LOG.

void RegExpCompileEvent	(	Handle< JSRegExp >	regexp,
		bool	in_cache
	)

Definition at line 1190 of file log.cc.

References Log::IsEnabled().

void removeCodeEventListener

(

CodeEventListener *

listener

)

Definition at line 959 of file log.cc.

References ASSERT, and Logger::hasCodeEventListener().

Referenced by Logger::SetCodeEventHandler(), Logger::TearDown(), and CodeAddressMap::~CodeAddressMap().

void ResourceEvent	(	const char *	name,
		const char *	tag
	)

Definition at line 1638 of file log.cc.

References OS::GetUserTime(), Log::IsEnabled(), and OS::TimeCurrentMillis().

Sampler * sampler

(

)

Definition at line 2118 of file log.cc.

void SetCodeEventHandler	(	uint32_t	options,
		JitCodeEventHandler	event_handler
	)

Definition at line 2098 of file log.cc.

References Logger::addCodeEventListener(), v8::kJitCodeEventEnumExisting, Logger::LogCodeObjects(), Logger::LogCompiledFunctions(), v8::internal::NULL, and Logger::removeCodeEventListener().

Referenced by V8::SetJitCodeEventHandler().

void SetterCallbackEvent	(	Name *	name,
		Address	entry_point
	)

Definition at line 1367 of file log.cc.

References PROFILER_LOG.

Referenced by Logger::LogAccessorCallbacks().

bool SetUp

(

Isolate *

isolate

)

Definition at line 2050 of file log.cc.

References Logger::addCodeEventListener(), Profiler::Engage(), SmartPointerBase< ArrayDeallocator< T >, T >::get(), Log::Initialize(), Log::InitLogAtStart(), Logger::kSamplingIntervalMs, and Logger::Profiler.

void SharedFunctionInfoMoveEvent	(	Address	from,
		Address	to
	)

Definition at line 1616 of file log.cc.

References Logger::is_logging_code_events(), and PROFILER_LOG.

void SharedLibraryEvent	(	const char *	library_path,
		uintptr_t	start,
		uintptr_t	end
	)

Definition at line 1065 of file log.cc.

References Log::IsEnabled(), and V8PRIxPTR.

void SharedLibraryEvent	(	const wchar_t *	library_path,
		uintptr_t	start,
		uintptr_t	end
	)

Definition at line 1078 of file log.cc.

References Log::IsEnabled(), and V8PRIxPTR.

void SnapshotPositionEvent	(	Address	addr,
		int	pos
	)

Definition at line 1603 of file log.cc.

References Log::IsEnabled(), and LL_LOG.

void StopProfiler

(

)

Definition at line 1753 of file log.cc.

References Log::IsEnabled(), v8::internal::NULL, and Profiler::pause().

Referenced by Logger::LogFailure(), and TEST().

void StringEvent	(	const char *	name,
		const char *	value
	)

Definition at line 978 of file log.cc.

Referenced by TEST().

void SuspectReadEvent	(	Name *	name,
		Object *	obj
	)

Definition at line 1654 of file log.cc.

References JSObject::cast(), Symbol::cast(), String::cast(), JSReceiver::class_name(), Isolate::heap(), and Log::IsEnabled().

FILE * TearDown

(

)

Definition at line 2123 of file log.cc.

References Log::Close(), Profiler::Disengage(), v8::internal::NULL, and Logger::removeCodeEventListener().

void TimerEvent	(	StartEnd	se,
		const char *	name
	)

Definition at line 1101 of file log.cc.

References ASSERT, Log::IsEnabled(), and Logger::START.

Referenced by Logger::EnterExternal(), Logger::LeaveExternal(), and Logger::LogInternalEvents().

Friends And Related Function Documentation

friend class CpuProfiler

friend

Definition at line 462 of file log.h.

friend class EventLog

friend

Definition at line 441 of file log.h.

friend class Isolate

friend

Definition at line 442 of file log.h.

friend class LoggerTestHelper

friend

Definition at line 446 of file log.h.

friend class Profiler

friend

Definition at line 444 of file log.h.

Referenced by Logger::SetUp().

friend class TimeLog

friend

Definition at line 443 of file log.h.

friend class VMState

friend

Definition at line 445 of file log.h.

Field Documentation

const int kSamplingIntervalMs = 1

static

Definition at line 384 of file log.h.

Referenced by Logger::SetUp().

---

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

• src/log.h
• src/log.cc