#include "llvm/ProfileData/SampleProfWriter.h"

Inheritance diagram for llvm::sampleprof::SampleProfileWriterExtBinaryBase:

[legend]

Public Member Functions
std::error_code	write (const SampleProfileMap &ProfileMap) override
	Write all the sample profiles in the given map of samples.

void	setToCompressAllSections () override

void	setToCompressSection (SecType Type)

std::error_code	writeSample (const FunctionSamples &S) override
	Write samples of a top-level function to a binary file.

void	setUseMD5 () override

void	setPartialProfile () override

void	setProfileSymbolList (ProfileSymbolList *PSL) override

void	resetSecLayout (SectionLayout SL) override

Public Member Functions inherited from llvm::sampleprof::SampleProfileWriterBinary
	SampleProfileWriterBinary (std::unique_ptr< raw_ostream > &OS)

std::error_code	writeSample (const FunctionSamples &S) override
	Write samples of a top-level function to a binary file.

Public Member Functions inherited from llvm::sampleprof::SampleProfileWriter
virtual	~SampleProfileWriter ()=default

virtual std::error_code	writeSample (const FunctionSamples &S)=0
	Write sample profiles in `S`.

virtual std::error_code	write (const SampleProfileMap &ProfileMap)
	Write all the sample profiles in the given map of samples.

template<typename FunctionPruningStrategy = DefaultFunctionPruningStrategy>
std::error_code	writeWithSizeLimit (SampleProfileMap &ProfileMap, size_t OutputSizeLimit)
	Write sample profiles up to given size limit, using the pruning strategy to drop some functions if necessary.

raw_ostream &	getOutputStream ()

virtual void	setProfileSymbolList (ProfileSymbolList *PSL)

virtual void	setToCompressAllSections ()

virtual void	setUseMD5 ()

virtual void	setPartialProfile ()

virtual void	resetSecLayout (SectionLayout SL)

Protected Member Functions
uint64_t	markSectionStart (SecType Type, uint32_t LayoutIdx)
	Return the current position and prepare to use it as the start position of a section given the section type `Type` and its position `LayoutIdx` in SectionHdrLayout.

std::error_code	addNewSection (SecType Sec, uint32_t LayoutIdx, uint64_t SectionStart)
	Add a new section into section header table given the section type `Type`, its position `LayoutIdx` in SectionHdrLayout and the location `SectionStart` where the section should be written to.

template<class SecFlagType >
void	addSectionFlag (SecType Type, SecFlagType Flag)

template<class SecFlagType >
void	addSectionFlag (uint32_t SectionIdx, SecFlagType Flag)

void	addContext (const SampleContext &Context) override

virtual std::error_code	writeCustomSection (SecType Type)=0

virtual void	verifySecLayout (SectionLayout SL)=0

virtual std::error_code	writeSections (const SampleProfileMap &ProfileMap)=0

virtual std::error_code	writeOneSection (SecType Type, uint32_t LayoutIdx, const SampleProfileMap &ProfileMap)

std::error_code	writeNameTable () override

std::error_code	writeContextIdx (const SampleContext &Context) override

std::error_code	writeCSNameIdx (const SampleContext &Context)

std::error_code	writeCSNameTableSection ()

std::error_code	writeFuncMetadata (const SampleProfileMap &Profiles)

std::error_code	writeFuncMetadata (const FunctionSamples &Profile)

std::error_code	writeNameTableSection (const SampleProfileMap &ProfileMap)

std::error_code	writeFuncOffsetTable ()

std::error_code	writeProfileSymbolListSection ()

Protected Member Functions inherited from llvm::sampleprof::SampleProfileWriterBinary
virtual MapVector< FunctionId, uint32_t > &	getNameTable ()

virtual std::error_code	writeMagicIdent (SampleProfileFormat Format)

virtual std::error_code	writeNameTable ()

std::error_code	writeHeader (const SampleProfileMap &ProfileMap) override
	Write a file header for the profile file.

std::error_code	writeSummary ()

virtual std::error_code	writeContextIdx (const SampleContext &Context)

std::error_code	writeNameIdx (FunctionId FName)

std::error_code	writeBody (const FunctionSamples &S)

void	stablizeNameTable (MapVector< FunctionId, uint32_t > &NameTable, std::set< FunctionId > &V)

void	addName (FunctionId FName)

virtual void	addContext (const SampleContext &Context)

void	addNames (const FunctionSamples &S)

Protected Member Functions inherited from llvm::sampleprof::SampleProfileWriter
	SampleProfileWriter (std::unique_ptr< raw_ostream > &OS)

virtual std::error_code	writeHeader (const SampleProfileMap &ProfileMap)=0
	Write a file header for the profile file.

virtual std::error_code	writeFuncProfiles (const SampleProfileMap &ProfileMap)

std::error_code	writeWithSizeLimitInternal (SampleProfileMap &ProfileMap, size_t OutputSizeLimit, FunctionPruningStrategy *Strategy)

void	computeSummary (const SampleProfileMap &ProfileMap)
	Compute summary for this profile.

Protected Attributes
SectionLayout	SecLayout = DefaultLayout

SmallVector< SecHdrTableEntry, 8 >	SectionHdrLayout

uint64_t	SecLBRProfileStart = 0

Protected Attributes inherited from llvm::sampleprof::SampleProfileWriterBinary
MapVector< FunctionId, uint32_t >	NameTable

Protected Attributes inherited from llvm::sampleprof::SampleProfileWriter
size_t	LineCount
	For writeWithSizeLimit in text mode, each newline takes 1 additional byte on Windows when actually written to the file, but not written to a memory buffer.

std::unique_ptr< raw_ostream >	OutputStream
	Output stream where to emit the profile to.

std::unique_ptr< ProfileSummary >	Summary
	Profile summary.

SampleProfileFormat	Format = SPF_None
	Profile format.

Additional Inherited Members
Static Public Member Functions inherited from llvm::sampleprof::SampleProfileWriter
static ErrorOr< std::unique_ptr< SampleProfileWriter > >	create (StringRef Filename, SampleProfileFormat Format)
	Profile writer factory.

static ErrorOr< std::unique_ptr< SampleProfileWriter > >	create (std::unique_ptr< raw_ostream > &OS, SampleProfileFormat Format)
	Create a new stream writer based on the value of `Format`.

Detailed Description

Definition at line 257 of file SampleProfWriter.h.

Member Function Documentation

◆ addContext()

void SampleProfileWriterExtBinaryBase::addContext ( const SampleContext & Context )

overrideprotectedvirtual

Reimplemented from llvm::sampleprof::SampleProfileWriterBinary.

Definition at line 671 of file SampleProfWriter.cpp.

References llvm::sampleprof::SampleProfileWriterBinary::addName(), llvm::sampleprof::SampleContext::getContextFrames(), llvm::sampleprof::SampleContext::getFunction(), and llvm::sampleprof::SampleContext::hasContext().

Referenced by writeNameTableSection().

◆ addNewSection()

std::error_code SampleProfileWriterExtBinaryBase::addNewSection	(	SecType	Sec,
		uint32_t	LayoutIdx,
		uint64_t	SectionStart
	)

protected

Add a new section into section header table given the section type Type, its position LayoutIdx in SectionHdrLayout and the location SectionStart where the section should be written to.

Definition at line 201 of file SampleProfWriter.cpp.

References assert(), llvm::sampleprof::hasSecFlag(), llvm::sampleprof::SampleProfileWriter::OutputStream, llvm::sampleprof::SecFlagCompress, SectionHdrLayout, and llvm::success.

Referenced by writeOneSection().

◆ addSectionFlag() [1/2]

template<class SecFlagType >

void llvm::sampleprof::SampleProfileWriterExtBinaryBase::addSectionFlag	(	SecType	Type,
		SecFlagType	Flag
	)

inlineprotected

Definition at line 304 of file SampleProfWriter.h.

References llvm::sampleprof::addSecFlag(), and SectionHdrLayout.

Referenced by setPartialProfile(), setToCompressSection(), setUseMD5(), writeFuncOffsetTable(), writeNameTableSection(), and writeOneSection().

◆ addSectionFlag() [2/2]

template<class SecFlagType >

void llvm::sampleprof::SampleProfileWriterExtBinaryBase::addSectionFlag	(	uint32_t	SectionIdx,
		SecFlagType	Flag
	)

inlineprotected

Definition at line 311 of file SampleProfWriter.h.

References llvm::sampleprof::addSecFlag(), and SectionHdrLayout.

◆ markSectionStart()

uint64_t SampleProfileWriterExtBinaryBase::markSectionStart	(	SecType	Type,
		uint32_t	LayoutIdx
	)

protected

Return the current position and prepare to use it as the start position of a section given the section type Type and its position LayoutIdx in SectionHdrLayout.

Definition at line 167 of file SampleProfWriter.cpp.

References assert(), llvm::sampleprof::hasSecFlag(), llvm::sampleprof::SampleProfileWriter::OutputStream, llvm::sampleprof::SecFlagCompress, and SectionHdrLayout.

Referenced by writeOneSection().

◆ resetSecLayout()

void llvm::sampleprof::SampleProfileWriterExtBinaryBase::resetSecLayout ( SectionLayout SL )

inlineoverridevirtual

Reimplemented from llvm::sampleprof::SampleProfileWriter.

Definition at line 286 of file SampleProfWriter.h.

References assert(), llvm::sampleprof::ExtBinaryHdrLayoutTable, SecLayout, SectionHdrLayout, and verifySecLayout().

◆ setPartialProfile()

void llvm::sampleprof::SampleProfileWriterExtBinaryBase::setPartialProfile ( )

inlineoverridevirtual

Reimplemented from llvm::sampleprof::SampleProfileWriter.

Definition at line 278 of file SampleProfWriter.h.

References addSectionFlag(), llvm::sampleprof::SecFlagPartial, and llvm::sampleprof::SecProfSummary.

◆ setProfileSymbolList()

void llvm::sampleprof::SampleProfileWriterExtBinaryBase::setProfileSymbolList ( ProfileSymbolList * PSL )

inlineoverridevirtual

Reimplemented from llvm::sampleprof::SampleProfileWriter.

Definition at line 282 of file SampleProfWriter.h.

◆ setToCompressAllSections()

void SampleProfileWriterExtBinaryBase::setToCompressAllSections ( )

overridevirtual

Reimplemented from llvm::sampleprof::SampleProfileWriter.

Definition at line 737 of file SampleProfWriter.cpp.

References llvm::sampleprof::addSecFlag(), llvm::sampleprof::SecFlagCompress, and SectionHdrLayout.

◆ setToCompressSection()

void SampleProfileWriterExtBinaryBase::setToCompressSection ( SecType Type )

Definition at line 742 of file SampleProfWriter.cpp.

References addSectionFlag(), and llvm::sampleprof::SecFlagCompress.

Referenced by writeOneSection().

◆ setUseMD5()

void llvm::sampleprof::SampleProfileWriterExtBinaryBase::setUseMD5 ( )

inlineoverridevirtual

Reimplemented from llvm::sampleprof::SampleProfileWriter.

Definition at line 267 of file SampleProfWriter.h.

References addSectionFlag(), llvm::sampleprof::SecFlagFixedLengthMD5, llvm::sampleprof::SecFlagMD5Name, and llvm::sampleprof::SecNameTable.

◆ verifySecLayout()

virtual void llvm::sampleprof::SampleProfileWriterExtBinaryBase::verifySecLayout ( SectionLayout SL )

protectedpure virtual

Referenced by resetSecLayout().

◆ write()

std::error_code SampleProfileWriterExtBinaryBase::write ( const SampleProfileMap & ProfileMap )

overridevirtual

Write all the sample profiles in the given map of samples.

Returns: status code of the file update operation.

Reimplemented from llvm::sampleprof::SampleProfileWriter.

Definition at line 217 of file SampleProfWriter.cpp.

References llvm::sampleprof::SampleProfileWriterBinary::NameTable, llvm::success, and writeSections().

◆ writeContextIdx()

std::error_code SampleProfileWriterExtBinaryBase::writeContextIdx ( const SampleContext & Context )

overrideprotectedvirtual

Reimplemented from llvm::sampleprof::SampleProfileWriterBinary.

Definition at line 238 of file SampleProfWriter.cpp.

References llvm::sampleprof::SampleContext::getFunction(), llvm::sampleprof::SampleContext::hasContext(), writeCSNameIdx(), and llvm::sampleprof::SampleProfileWriterBinary::writeNameIdx().

Referenced by writeFuncMetadata(), and writeFuncOffsetTable().

◆ writeCSNameIdx()

std::error_code SampleProfileWriterExtBinaryBase::writeCSNameIdx ( const SampleContext & Context )

protected

Definition at line 247 of file SampleProfWriter.cpp.

References llvm::encodeULEB128(), llvm::sampleprof::SampleProfileWriter::OutputStream, llvm::success, and llvm::truncated_name_table.

Referenced by writeContextIdx().

◆ writeCSNameTableSection()

std::error_code SampleProfileWriterExtBinaryBase::writeCSNameTableSection ( )

protected

Definition at line 387 of file SampleProfWriter.cpp.

References assert(), llvm::encodeULEB128(), I, llvm::little, OS, llvm::sampleprof::SampleProfileWriter::OutputStream, llvm::success, and llvm::sampleprof::SampleProfileWriterBinary::writeNameIdx().

Referenced by writeOneSection().

◆ writeCustomSection()

virtual std::error_code llvm::sampleprof::SampleProfileWriterExtBinaryBase::writeCustomSection ( SecType Type )

protectedpure virtual

Referenced by writeOneSection().

◆ writeFuncMetadata() [1/2]

std::error_code SampleProfileWriterExtBinaryBase::writeFuncMetadata ( const FunctionSamples & Profile )

protected

Definition at line 300 of file SampleProfWriter.cpp.

References llvm::sampleprof::LineLocation::Discriminator, llvm::encodeULEB128(), llvm::sampleprof::SampleContext::getAllAttributes(), llvm::sampleprof::FunctionSamples::getCallsiteSamples(), llvm::sampleprof::FunctionSamples::getContext(), llvm::sampleprof::FunctionSamples::getFunctionHash(), llvm::sampleprof::LineLocation::LineOffset, OS, llvm::sampleprof::SampleProfileWriter::OutputStream, llvm::sampleprof::FunctionSamples::ProfileIsCS, llvm::sampleprof::FunctionSamples::ProfileIsPreInlined, llvm::sampleprof::FunctionSamples::ProfileIsProbeBased, llvm::success, writeContextIdx(), and writeFuncMetadata().

◆ writeFuncMetadata() [2/2]

std::error_code SampleProfileWriterExtBinaryBase::writeFuncMetadata ( const SampleProfileMap & Profiles )

protected

Definition at line 332 of file SampleProfWriter.cpp.

References llvm::sampleprof::FunctionSamples::ProfileIsCS, llvm::sampleprof::FunctionSamples::ProfileIsPreInlined, llvm::sampleprof::FunctionSamples::ProfileIsProbeBased, llvm::success, and writeFuncMetadata().

Referenced by writeFuncMetadata(), and writeOneSection().

◆ writeFuncOffsetTable()

std::error_code SampleProfileWriterExtBinaryBase::writeFuncOffsetTable ( )

protected

Definition at line 264 of file SampleProfWriter.cpp.

References addSectionFlag(), llvm::encodeULEB128(), llvm::Offset, OS, llvm::sampleprof::SampleProfileWriter::OutputStream, llvm::sampleprof::FunctionSamples::ProfileIsCS, llvm::sampleprof::SecFlagOrdered, llvm::sampleprof::SecFuncOffsetTable, llvm::success, and writeContextIdx().

Referenced by writeOneSection().

◆ writeNameTable()

std::error_code SampleProfileWriterExtBinaryBase::writeNameTable ( )

overrideprotectedvirtual

Reimplemented from llvm::sampleprof::SampleProfileWriterBinary.

Definition at line 344 of file SampleProfWriter.cpp.

References llvm::encodeULEB128(), llvm::little, N, llvm::sampleprof::SampleProfileWriterBinary::NameTable, OS, llvm::sampleprof::SampleProfileWriter::OutputStream, llvm::sampleprof::SampleProfileWriterBinary::stablizeNameTable(), llvm::success, llvm::support::endian::Writer::write(), and llvm::sampleprof::SampleProfileWriterBinary::writeNameTable().

Referenced by writeNameTableSection().

◆ writeNameTableSection()

std::error_code SampleProfileWriterExtBinaryBase::writeNameTableSection ( const SampleProfileMap & ProfileMap )

protected

Definition at line 362 of file SampleProfWriter.cpp.

References addContext(), llvm::sampleprof::SampleProfileWriterBinary::addNames(), addSectionFlag(), I, llvm::sampleprof::SampleProfileWriterBinary::NameTable, llvm::sampleprof::SecFlagUniqSuffix, llvm::sampleprof::SecNameTable, llvm::success, llvm::sampleprof::FunctionSamples::UniqSuffix, and writeNameTable().

Referenced by writeOneSection().

◆ writeOneSection()

std::error_code SampleProfileWriterExtBinaryBase::writeOneSection	(	SecType	Type,
		uint32_t	LayoutIdx,
		const SampleProfileMap &	ProfileMap
	)

protectedvirtual

Definition at line 424 of file SampleProfWriter.cpp.

◆ writeProfileSymbolListSection()

std::error_code SampleProfileWriterExtBinaryBase::writeProfileSymbolListSection ( )

protected

Definition at line 416 of file SampleProfWriter.cpp.

References llvm::sampleprof::SampleProfileWriter::OutputStream, llvm::sampleprof::ProfileSymbolList::size(), llvm::success, and llvm::sampleprof::ProfileSymbolList::write().

Referenced by writeOneSection().

◆ writeSample()

std::error_code SampleProfileWriterExtBinaryBase::writeSample ( const FunctionSamples & S )

overridevirtual

Write samples of a top-level function to a binary file.

Returns: true if the samples were written successfully, false otherwise.

Reimplemented from llvm::sampleprof::SampleProfileWriterBinary.

Definition at line 256 of file SampleProfWriter.cpp.

References llvm::encodeULEB128(), llvm::sampleprof::FunctionSamples::getContext(), llvm::sampleprof::FunctionSamples::getHeadSamples(), llvm::Offset, llvm::sampleprof::SampleProfileWriter::OutputStream, SecLBRProfileStart, and llvm::sampleprof::SampleProfileWriterBinary::writeBody().

◆ writeSections()

virtual std::error_code llvm::sampleprof::SampleProfileWriterExtBinaryBase::writeSections ( const SampleProfileMap & ProfileMap )

protectedpure virtual

Referenced by write().

Member Data Documentation

◆ SecLayout

SectionLayout llvm::sampleprof::SampleProfileWriterExtBinaryBase::SecLayout = DefaultLayout

protected

Definition at line 344 of file SampleProfWriter.h.

Referenced by resetSecLayout().

◆ SecLBRProfileStart

uint64_t llvm::sampleprof::SampleProfileWriterExtBinaryBase::SecLBRProfileStart = 0

protected

Definition at line 355 of file SampleProfWriter.h.

Referenced by writeOneSection(), and writeSample().

◆ SectionHdrLayout

SmallVector<SecHdrTableEntry, 8> llvm::sampleprof::SampleProfileWriterExtBinaryBase::SectionHdrLayout

protected

Initial value:

=

ExtBinaryHdrLayoutTable[DefaultLayout]

llvm::sampleprof::ExtBinaryHdrLayoutTable

const std::array< SmallVector< SecHdrTableEntry, 8 >, NumOfLayout > ExtBinaryHdrLayoutTable

Definition: SampleProfWriter.h:227

llvm::sampleprof::DefaultLayout

@ DefaultLayout

Definition: SampleProfWriter.h:30

Definition at line 349 of file SampleProfWriter.h.

Referenced by addNewSection(), addSectionFlag(), markSectionStart(), resetSecLayout(), and setToCompressAllSections().

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

include/llvm/ProfileData/SampleProfWriter.h
lib/ProfileData/SampleProfWriter.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ addContext()

◆ addNewSection()

◆ addSectionFlag() [1/2]

◆ addSectionFlag() [2/2]

◆ markSectionStart()

◆ resetSecLayout()

◆ setPartialProfile()

◆ setProfileSymbolList()

◆ setToCompressAllSections()

◆ setToCompressSection()

◆ setUseMD5()

◆ verifySecLayout()

◆ write()

◆ writeContextIdx()

◆ writeCSNameIdx()

◆ writeCSNameTableSection()

◆ writeCustomSection()

◆ writeFuncMetadata() [1/2]

◆ writeFuncMetadata() [2/2]

◆ writeFuncOffsetTable()

◆ writeNameTable()

◆ writeNameTableSection()

◆ writeOneSection()

◆ writeProfileSymbolListSection()

◆ writeSample()

◆ writeSections()

Member Data Documentation

◆ SecLayout

◆ SecLBRProfileStart

◆ SectionHdrLayout