Logger Class Reference

#include <log.h>

Data Structures
class	NameBuffer
class	NameMap

Public Types
enum	LogEventsAndTags { NUMBER_OF_LOG_EVENTS }

Public Member Functions
bool	SetUp ()
void	EnsureTickerStarted ()
void	EnsureTickerStopped ()
Sampler *	sampler ()
FILE *	TearDown ()
void	EnableSlidingStateWindow ()
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 (String *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	CallbackEvent (String *name, Address entry_point)
void	GetterCallbackEvent (String *name, Address entry_point)
void	SetterCallbackEvent (String *name, Address entry_point)
void	CodeCreateEvent (LogEventsAndTags tag, Code *code, const char *source)
void	CodeCreateEvent (LogEventsAndTags tag, Code *code, String *name)
void	CodeCreateEvent (LogEventsAndTags tag, Code *code, SharedFunctionInfo *shared, String *name)
void	CodeCreateEvent (LogEventsAndTags tag, Code *code, SharedFunctionInfo *shared, String *source, int line)
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	SharedFunctionInfoMoveEvent (Address from, Address to)
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	RegExpCompileEvent (Handle< JSRegExp > regexp, bool in_cache)
void	LogRuntime (Vector< const char > format, JSArray *args)
bool	is_logging ()
void	PauseProfiler ()
void	ResumeProfiler ()
bool	IsProfilerPaused ()
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 Public Attributes
static const int	kSamplingIntervalMs = 1

Friends
class	EventLog
class	Isolate
class	LogMessageBuilder
class	TimeLog
class	Profiler
class	SlidingStateWindow
class	StackTracer
class	VMState
class	LoggerTestHelper
class	CpuProfiler

Detailed Description

Definition at line 142 of file log.h.

Member Enumeration Documentation

enum LogEventsAndTags

Enumerator
NUMBER_OF_LOG_EVENTS

Definition at line 145 of file log.h.

Member Function Documentation

void ApiEntryCall

(

const char *

name

)

Definition at line 794 of file log.cc.

References Log::IsEnabled().

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

Definition at line 775 of file log.cc.

References JSReceiver::class_name(), v8::internal::DISALLOW_NULLS, Log::IsEnabled(), v8::internal::ROBUST_STRING_TRAVERSAL, and String::ToCString().

void ApiIndexedSecurityCheck

(

uint32_t

index

)

Definition at line 756 of file log.cc.

References Log::IsEnabled().

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

Definition at line 762 of file log.cc.

References ASSERT, String::cast(), JSReceiver::class_name(), v8::internal::DISALLOW_NULLS, Log::IsEnabled(), v8::internal::ROBUST_STRING_TRAVERSAL, and String::ToCString().

void ApiNamedSecurityCheck

(

Object *

key

)

Definition at line 620 of file log.cc.

References String::cast(), v8::internal::DISALLOW_NULLS, Log::IsEnabled(), v8::internal::ROBUST_STRING_TRAVERSAL, and String::ToCString().

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

Definition at line 785 of file log.cc.

References v8::internal::DISALLOW_NULLS, Log::IsEnabled(), v8::internal::ROBUST_STRING_TRAVERSAL, and String::ToCString().

void CallbackEvent	(	String *	name,
		Address	entry_point
	)

Definition at line 840 of file log.cc.

References v8::internal::DISALLOW_NULLS, Log::IsEnabled(), v8::internal::ROBUST_STRING_TRAVERSAL, and String::ToCString().

Referenced by Logger::LogExistingFunction().

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

Definition at line 864 of file log.cc.

References HeapObject::address(), Logger::NameBuffer::AppendByte(), Logger::NameBuffer::AppendBytes(), Serializer::enabled(), Code::ExecutableSize(), Logger::NameBuffer::get(), Log::IsEnabled(), Logger::LogMessageBuilder, Logger::NameBuffer::Reset(), and Logger::NameBuffer::size().

Referenced by Logger::LogExistingFunction().

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

Definition at line 899 of file log.cc.

References HeapObject::address(), Logger::NameBuffer::AppendByte(), Logger::NameBuffer::AppendBytes(), Logger::NameBuffer::AppendString(), Serializer::enabled(), Code::ExecutableSize(), Logger::NameBuffer::get(), Log::IsEnabled(), Logger::LogMessageBuilder, Logger::NameBuffer::Reset(), and Logger::NameBuffer::size().

void CodeCreateEvent	(	LogEventsAndTags	tag,
		Code *	code,
		SharedFunctionInfo *	shared,
		String *	name
	)

Definition at line 939 of file log.cc.

References HeapObject::address(), Logger::NameBuffer::AppendByte(), Logger::NameBuffer::AppendBytes(), Logger::NameBuffer::AppendString(), v8::internal::DISALLOW_NULLS, Serializer::enabled(), Code::ExecutableSize(), Logger::NameBuffer::get(), Log::IsEnabled(), Logger::LogMessageBuilder, Logger::NameBuffer::Reset(), v8::internal::ROBUST_STRING_TRAVERSAL, Logger::NameBuffer::size(), and String::ToCString().

void CodeCreateEvent	(	LogEventsAndTags	tag,
		Code *	code,
		SharedFunctionInfo *	shared,
		String *	source,
		int	line
	)

Definition at line 980 of file log.cc.

References HeapObject::address(), Logger::NameBuffer::AppendByte(), Logger::NameBuffer::AppendBytes(), Logger::NameBuffer::AppendInt(), Logger::NameBuffer::AppendString(), SharedFunctionInfo::DebugName(), v8::internal::DISALLOW_NULLS, Serializer::enabled(), Code::ExecutableSize(), Logger::NameBuffer::get(), Log::IsEnabled(), Logger::LogMessageBuilder, Logger::NameBuffer::Reset(), v8::internal::ROBUST_STRING_TRAVERSAL, Logger::NameBuffer::size(), and String::ToCString().

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

Definition at line 1024 of file log.cc.

References HeapObject::address(), Logger::NameBuffer::AppendByte(), Logger::NameBuffer::AppendBytes(), Logger::NameBuffer::AppendInt(), Serializer::enabled(), Code::ExecutableSize(), Logger::NameBuffer::get(), Log::IsEnabled(), Logger::LogMessageBuilder, Logger::NameBuffer::Reset(), and Logger::NameBuffer::size().

void CodeDeleteEvent

(

Address

from

)

Definition at line 1095 of file log.cc.

References Serializer::enabled(), Log::IsEnabled(), v8::internal::NULL, and Logger::NameMap::Remove().

void CodeMoveEvent	(	Address	from,
		Address	to
	)

Definition at line 1085 of file log.cc.

References Serializer::enabled(), Log::IsEnabled(), Logger::NameMap::Move(), and v8::internal::NULL.

void CodeMovingGCEvent

(

)

Definition at line 1050 of file log.cc.

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

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

Definition at line 1227 of file log.cc.

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

void DebugTag

(

const char *

call_site_tag

)

Definition at line 1219 of file log.cc.

References Log::IsEnabled(), and Logger::LogMessageBuilder.

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

Definition at line 809 of file log.cc.

References Log::IsEnabled(), Logger::LogMessageBuilder, and V8PRIxPTR.

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

static

Definition at line 822 of file log.cc.

References LOGGER.

void EnableSlidingStateWindow

(

)

Definition at line 1716 of file log.cc.

References v8::internal::NULL, and Logger::SlidingStateWindow.

Referenced by V8::EnableSlidingStateWindow().

void EnsureTickerStarted

(

)

Definition at line 1684 of file log.cc.

References ASSERT, Sampler::IsActive(), v8::internal::NULL, and Sampler::Start().

Referenced by RuntimeProfiler::SetUp().

void EnsureTickerStopped

(

)

Definition at line 1690 of file log.cc.

References Sampler::IsActive(), v8::internal::NULL, and Sampler::Stop().

void GetterCallbackEvent	(	String *	name,
		Address	entry_point
	)

Definition at line 848 of file log.cc.

References v8::internal::DISALLOW_NULLS, Log::IsEnabled(), v8::internal::ROBUST_STRING_TRAVERSAL, and String::ToCString().

Referenced by Logger::LogAccessorCallbacks().

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

Definition at line 598 of file log.cc.

References Log::IsEnabled(), Logger::LogMessageBuilder, and V8PRIxPTR.

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

Definition at line 1192 of file log.cc.

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

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

Definition at line 1203 of file log.cc.

References Log::IsEnabled(), and Logger::LogMessageBuilder.

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

Definition at line 1211 of file log.cc.

References Log::IsEnabled(), and Logger::LogMessageBuilder.

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 572 of file log.cc.

void IntPtrTEvent	(	const char *	name,
		intptr_t	value
	)

Definition at line 577 of file log.cc.

bool is_logging ( )

inline

Definition at line 273 of file log.h.

Referenced by CodeGenerator::ShouldGenerateLog().

bool IsProfilerPaused

(

)

Definition at line 1271 of file log.cc.

References v8::internal::NULL, and Profiler::paused().

Referenced by V8::IsProfilerPaused().

void LogAccessorCallbacks

(

)

Definition at line 1602 of file log.cc.

References String::cast(), AccessorInfo::cast(), Logger::GetterCallbackEvent(), HEAP, ISOLATE, Heap::kMakeHeapIterableMask, v8::internal::NULL, PROFILE, and Logger::SetterCallbackEvent().

Referenced by Logger::ResumeProfiler().

void LogCodeObjects

(

)

Definition at line 1526 of file log.cc.

References HEAP, Heap::kMakeHeapIterableMask, and v8::internal::NULL.

void LogCompiledFunctions

(

)

Definition at line 1582 of file log.cc.

References HEAP, Heap::kMakeHeapIterableMask, Logger::LogExistingFunction(), v8::internal::NULL, and Vector< T >::start().

Referenced by Logger::ResumeProfiler().

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

Definition at line 1537 of file log.cc.

References Logger::CallbackEvent(), Script::cast(), String::cast(), CallHandlerInfo::cast(), Logger::CodeCreateEvent(), v8::internal::GetScriptLineNumber(), ISOLATE, and PROFILE.

Referenced by Logger::LogCompiledFunctions().

void LogFailure

(

)

Definition at line 1318 of file log.cc.

References Logger::PauseProfiler().

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

Definition at line 712 of file log.cc.

References ASSERT, Smi::cast(), JSRegExp::cast(), String::cast(), Object::GetElement(), Log::IsEnabled(), Vector< T >::length(), Logger::LogMessageBuilder, and UNREACHABLE.

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

Definition at line 800 of file log.cc.

References Log::IsEnabled(), Logger::LogMessageBuilder, and V8PRIxPTR.

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

static

Definition at line 817 of file log.cc.

References LOGGER.

void PauseProfiler

(

)

Definition at line 1276 of file log.cc.

References RuntimeProfiler::IsEnabled(), Log::IsEnabled(), ISOLATE, LOG, v8::internal::NULL, Profiler::pause(), and Sampler::Stop().

Referenced by Logger::LogFailure(), and V8::PauseProfiler().

void RegExpCodeCreateEvent	(	Code *	code,
		String *	source
	)

Definition at line 1057 of file log.cc.

References HeapObject::address(), Logger::NameBuffer::AppendByte(), Logger::NameBuffer::AppendBytes(), Logger::NameBuffer::AppendString(), Serializer::enabled(), Code::ExecutableSize(), Logger::NameBuffer::get(), Log::IsEnabled(), Logger::LogMessageBuilder, Logger::NameBuffer::Reset(), and Logger::NameBuffer::size().

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

Definition at line 702 of file log.cc.

References Log::IsEnabled(), and Logger::LogMessageBuilder.

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

Definition at line 1159 of file log.cc.

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

void ResumeProfiler

(

)

Definition at line 1295 of file log.cc.

References Profiler::Engage(), Sampler::IsActive(), Log::IsEnabled(), ISOLATE, LOG, Logger::LogAccessorCallbacks(), Logger::LogCompiledFunctions(), v8::internal::NULL, Profiler::resume(), and Sampler::Start().

Referenced by V8::ResumeProfiler().

Sampler * sampler

(

)

Definition at line 1679 of file log.cc.

void SetterCallbackEvent	(	String *	name,
		Address	entry_point
	)

Definition at line 856 of file log.cc.

References v8::internal::DISALLOW_NULLS, Log::IsEnabled(), v8::internal::ROBUST_STRING_TRAVERSAL, and String::ToCString().

Referenced by Logger::LogAccessorCallbacks().

bool SetUp

(

)

Definition at line 1624 of file log.cc.

References Profiler::Engage(), Log::Initialize(), Logger::kSamplingIntervalMs, v8::internal::NULL, Profiler::pause(), Logger::Profiler, and Logger::SlidingStateWindow.

void SharedFunctionInfoMoveEvent	(	Address	from,
		Address	to
	)

Definition at line 1130 of file log.cc.

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

Definition at line 634 of file log.cc.

References Log::IsEnabled(), Logger::LogMessageBuilder, and V8PRIxPTR.

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

Definition at line 647 of file log.cc.

References Log::IsEnabled(), Logger::LogMessageBuilder, and V8PRIxPTR.

void SnapshotPositionEvent	(	Address	addr,
		int	pos
	)

Definition at line 1105 of file log.cc.

References Serializer::enabled(), Log::IsEnabled(), Logger::LogMessageBuilder, Logger::NameMap::Lookup(), and v8::internal::NULL.

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

Definition at line 559 of file log.cc.

void SuspectReadEvent	(	String *	name,
		Object *	obj
	)

Definition at line 1175 of file log.cc.

References JSObject::cast(), JSReceiver::class_name(), HEAP, Log::IsEnabled(), and Logger::LogMessageBuilder.

FILE * TearDown

(

)

Definition at line 1695 of file log.cc.

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

Friends And Related Function Documentation

friend class CpuProfiler

friend

Definition at line 427 of file log.h.

friend class EventLog

friend

Definition at line 391 of file log.h.

friend class Isolate

friend

Definition at line 392 of file log.h.

friend class LoggerTestHelper

friend

Definition at line 400 of file log.h.

friend class LogMessageBuilder

friend

Definition at line 393 of file log.h.

Referenced by Logger::CodeCreateEvent(), Logger::DebugEvent(), Logger::DebugTag(), Logger::DeleteEvent(), Logger::HandleEvent(), Logger::HeapSampleBeginEvent(), Logger::HeapSampleEndEvent(), Logger::HeapSampleItemEvent(), Logger::LogRuntime(), Logger::NewEvent(), Logger::RegExpCodeCreateEvent(), Logger::RegExpCompileEvent(), Logger::ResourceEvent(), Logger::SharedLibraryEvent(), Logger::SnapshotPositionEvent(), and Logger::SuspectReadEvent().

friend class Profiler

friend

Definition at line 395 of file log.h.

Referenced by Logger::SetUp().

friend class SlidingStateWindow

friend

Definition at line 396 of file log.h.

Referenced by Logger::EnableSlidingStateWindow(), and Logger::SetUp().

friend class StackTracer

friend

Definition at line 397 of file log.h.

friend class TimeLog

friend

Definition at line 394 of file log.h.

friend class VMState

friend

Definition at line 398 of file log.h.

Field Documentation

const int kSamplingIntervalMs = 1

static

Definition at line 302 of file log.h.

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

---

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

• src/log.h
• src/log.cc