LLVM 24.0.0git
llvm::InstrProfWriter Class Reference

#include "llvm/ProfileData/InstrProfWriter.h"

Public Types

using ProfilingData = SmallDenseMap<uint64_t, InstrProfRecord>

Public Member Functions

LLVM_ABI InstrProfWriter (bool Sparse=false, uint64_t TemporalProfTraceReservoirSize=0, uint64_t MaxTemporalProfTraceLength=0, bool WritePrevVersion=false, memprof::IndexedVersion MemProfVersionRequested=static_cast< memprof::IndexedVersion >(memprof::MinimumSupportedVersion), bool MemProfFullSchema=false, bool MemprofGenerateRandomHotness=false, unsigned RandomSeed=0)
LLVM_ABI ~InstrProfWriter ()
StringMap< ProfilingData > & getProfileData ()
LLVM_ABI void addRecord (NamedInstrProfRecord &&I, uint64_t Weight, function_ref< void(Error)> Warn)
 Add function counts for the given function.
void addRecord (NamedInstrProfRecord &&I, function_ref< void(Error)> Warn)
void addVTableName (StringRef VTableName)
LLVM_ABI void addTemporalProfileTraces (SmallVectorImpl< TemporalProfTraceTy > &SrcTraces, uint64_t SrcStreamSize)
 Add SrcTraces using reservoir sampling where SrcStreamSize is the total number of temporal profiling traces the source has seen.
LLVM_ABI bool addMemProfData (memprof::IndexedMemProfData Incoming, function_ref< void(Error)> Warn)
 Add the entire MemProfData Incoming to the writer context.
LLVM_ABI void addBinaryIds (ArrayRef< llvm::object::BuildID > BIs)
LLVM_ABI void addDataAccessProfData (std::unique_ptr< memprof::DataAccessProfData > DataAccessProfile)
LLVM_ABI void mergeRecordsFromWriter (InstrProfWriter &&IPW, function_ref< void(Error)> Warn)
 Merge existing function counts from the given writer.
LLVM_ABI Error write (raw_fd_ostream &OS)
 Write the profile to OS.
LLVM_ABI Error write (raw_string_ostream &OS)
 Write the profile to a string output stream OS.
LLVM_ABI Error writeText (raw_fd_ostream &OS)
 Write the profile in text format to OS.
LLVM_ABI void writeTextTemporalProfTraceData (raw_fd_ostream &OS, InstrProfSymtab &Symtab)
 Write temporal profile trace data to the header in text format to OS.
LLVM_ABI Error validateRecord (const InstrProfRecord &Func)
LLVM_ABI std::unique_ptr< MemoryBufferwriteBuffer ()
 Write the profile, returning the raw data. For testing.
Error mergeProfileKind (const InstrProfKind Other)
 Update the attributes of the current profile from the attributes specified.
InstrProfKind getProfileKind () const
bool hasSingleByteCoverage () const
LLVM_ABI void setValueProfDataEndianness (llvm::endianness Endianness)
LLVM_ABI void setOutputSparse (bool Sparse)
void setMemProfVersionRequested (memprof::IndexedVersion Version)
void setMemProfFullSchema (bool Full)
LLVM_ABI void overlapRecord (NamedInstrProfRecord &&Other, OverlapStats &Overlap, OverlapStats &FuncLevelOverlap, const OverlapFuncFilters &FuncFilter)

Static Public Member Functions

static LLVM_ABI void writeRecordInText (StringRef Name, uint64_t Hash, const InstrProfRecord &Counters, InstrProfSymtab &Symtab, raw_fd_ostream &OS)
 Write Record in text format to OS.

Detailed Description

Definition at line 40 of file InstrProfWriter.h.

Member Typedef Documentation

◆ ProfilingData

Constructor & Destructor Documentation

◆ InstrProfWriter()

InstrProfWriter::InstrProfWriter ( bool Sparse = false,
uint64_t TemporalProfTraceReservoirSize = 0,
uint64_t MaxTemporalProfTraceLength = 0,
bool WritePrevVersion = false,
memprof::IndexedVersion MemProfVersionRequested = static_cast<memprof::IndexedVersion>(                                   memprof::MinimumSupportedVersion),
bool MemProfFullSchema = false,
bool MemprofGenerateRandomHotness = false,
unsigned RandomSeed = 0 )

Definition at line 152 of file InstrProfWriter.cpp.

Referenced by mergeRecordsFromWriter().

◆ ~InstrProfWriter()

InstrProfWriter::~InstrProfWriter ( )

Definition at line 168 of file InstrProfWriter.cpp.

Member Function Documentation

◆ addBinaryIds()

void InstrProfWriter::addBinaryIds ( ArrayRef< llvm::object::BuildID > BIs)

Definition at line 348 of file InstrProfWriter.cpp.

References llvm::append_range().

Referenced by mergeRecordsFromWriter().

◆ addDataAccessProfData()

void InstrProfWriter::addDataAccessProfData ( std::unique_ptr< memprof::DataAccessProfData > DataAccessProfile)

Definition at line 352 of file InstrProfWriter.cpp.

◆ addMemProfData()

bool InstrProfWriter::addMemProfData ( memprof::IndexedMemProfData Incoming,
function_ref< void(Error)> Warn )

◆ addRecord() [1/2]

void llvm::InstrProfWriter::addRecord ( NamedInstrProfRecord && I,
function_ref< void(Error)> Warn )
inline

Definition at line 115 of file InstrProfWriter.h.

References addRecord(), and I.

◆ addRecord() [2/2]

void InstrProfWriter::addRecord ( NamedInstrProfRecord && I,
uint64_t Weight,
function_ref< void(Error)> Warn )

Add function counts for the given function.

If there are already counts for this function and the hash and number of counts match, each counter is summed. Optionally scale counts by Weight.

Definition at line 177 of file InstrProfWriter.cpp.

References addRecord(), and I.

Referenced by addRecord(), addRecord(), and mergeRecordsFromWriter().

◆ addTemporalProfileTraces()

void InstrProfWriter::addTemporalProfileTraces ( SmallVectorImpl< TemporalProfTraceTy > & SrcTraces,
uint64_t SrcStreamSize )

Add SrcTraces using reservoir sampling where SrcStreamSize is the total number of temporal profiling traces the source has seen.

Definition at line 357 of file InstrProfWriter.cpp.

References llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), llvm::SmallVectorTemplateCommon< T, typename >::end(), llvm::erase_if(), I, llvm::shuffle(), llvm::Trace::size(), and T.

Referenced by mergeRecordsFromWriter().

◆ addVTableName()

void llvm::InstrProfWriter::addVTableName ( StringRef VTableName)
inline

Definition at line 118 of file InstrProfWriter.h.

◆ getProfileData()

StringMap< ProfilingData > & llvm::InstrProfWriter::getProfileData ( )
inline

Definition at line 108 of file InstrProfWriter.h.

◆ getProfileKind()

InstrProfKind llvm::InstrProfWriter::getProfileKind ( ) const
inline

Definition at line 210 of file InstrProfWriter.h.

◆ hasSingleByteCoverage()

bool llvm::InstrProfWriter::hasSingleByteCoverage ( ) const
inline

Definition at line 212 of file InstrProfWriter.h.

References llvm::SingleByteCoverage.

◆ mergeProfileKind()

Error llvm::InstrProfWriter::mergeProfileKind ( const InstrProfKind Other)
inline

Update the attributes of the current profile from the attributes specified.

An error is returned if IR and FE profiles are mixed.

Definition at line 166 of file InstrProfWriter.h.

References A(), B(), llvm::coverage_count_mismatch, llvm::FrontendInstrumentation, llvm::FunctionEntryInstrumentation, llvm::FunctionEntryOnly, llvm::LoopEntriesInstrumentation, llvm::make_error(), llvm::Other, llvm::SingleByteCoverage, llvm::Error::success(), llvm::Unknown, and llvm::unsupported_version.

◆ mergeRecordsFromWriter()

void InstrProfWriter::mergeRecordsFromWriter ( InstrProfWriter && IPW,
function_ref< void(Error)> Warn )

Merge existing function counts from the given writer.

Definition at line 387 of file InstrProfWriter.cpp.

References addBinaryIds(), addRecord(), addTemporalProfileTraces(), I, and InstrProfWriter().

◆ overlapRecord()

◆ setMemProfFullSchema()

void llvm::InstrProfWriter::setMemProfFullSchema ( bool Full)
inline

Definition at line 222 of file InstrProfWriter.h.

References llvm::Full.

◆ setMemProfVersionRequested()

void llvm::InstrProfWriter::setMemProfVersionRequested ( memprof::IndexedVersion Version)
inline

Definition at line 219 of file InstrProfWriter.h.

References llvm::Version.

◆ setOutputSparse()

void InstrProfWriter::setOutputSparse ( bool Sparse)

Definition at line 175 of file InstrProfWriter.cpp.

◆ setValueProfDataEndianness()

void InstrProfWriter::setValueProfDataEndianness ( llvm::endianness Endianness)

Definition at line 171 of file InstrProfWriter.cpp.

◆ validateRecord()

Error InstrProfWriter::validateRecord ( const InstrProfRecord & Func)

◆ write() [1/2]

Error InstrProfWriter::write ( raw_fd_ostream & OS)

Write the profile to OS.

Definition at line 691 of file InstrProfWriter.cpp.

Referenced by writeBuffer().

◆ write() [2/2]

Error InstrProfWriter::write ( raw_string_ostream & OS)

Write the profile to a string output stream OS.

Definition at line 697 of file InstrProfWriter.cpp.

◆ writeBuffer()

std::unique_ptr< MemoryBuffer > InstrProfWriter::writeBuffer ( )

Write the profile, returning the raw data. For testing.

Definition at line 702 of file InstrProfWriter.cpp.

References llvm::Data, llvm::MemoryBuffer::getMemBufferCopy(), and write().

◆ writeRecordInText()

void InstrProfWriter::writeRecordInText ( StringRef Name,
uint64_t Hash,
const InstrProfRecord & Counters,
InstrProfSymtab & Symtab,
raw_fd_ostream & OS )
static

Write Record in text format to OS.

Definition at line 733 of file InstrProfWriter.cpp.

References llvm::Count, llvm::InstrProfSymtab::getFuncOrVarNameIfDefined(), ValueProfKindStr, and llvm::raw_ostream::write_hex().

Referenced by writeText().

◆ writeText()

◆ writeTextTemporalProfTraceData()

void InstrProfWriter::writeTextTemporalProfTraceData ( raw_fd_ostream & OS,
InstrProfSymtab & Symtab )

Write temporal profile trace data to the header in text format to OS.

Definition at line 842 of file InstrProfWriter.cpp.

References llvm::InstrProfSymtab::getFuncOrVarName().

Referenced by writeText().


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