LLVM 20.0.0git
Public Member Functions | Static Public Member Functions | List of all members
llvm::RawInstrProfReader< IntPtrT > Class Template Reference

Reader for the raw instrprof binary format from runtime. More...

#include "llvm/ProfileData/InstrProfReader.h"

Inheritance diagram for llvm::RawInstrProfReader< IntPtrT >:
Inheritance graph
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Public Member Functions

 RawInstrProfReader (std::unique_ptr< MemoryBuffer > DataBuffer, const InstrProfCorrelator *Correlator, std::function< void(Error)> Warn)
 
 RawInstrProfReader (const RawInstrProfReader &)=delete
 
RawInstrProfReaderoperator= (const RawInstrProfReader &)=delete
 
Error readHeader () override
 Read the header. Required before reading first record.
 
Error readNextRecord (NamedInstrProfRecord &Record) override
 Read a single record.
 
Error readBinaryIds (std::vector< llvm::object::BuildID > &BinaryIds) override
 Read a list of binary ids.
 
Error printBinaryIds (raw_ostream &OS) override
 Print binary ids.
 
uint64_t getVersion () const override
 Return the profile version.
 
bool isIRLevelProfile () const override
 
bool hasCSIRLevelProfile () const override
 
bool instrEntryBBEnabled () const override
 
bool hasSingleByteCoverage () const override
 Return true if the profile has single byte counters representing coverage.
 
bool functionEntryOnly () const override
 Return true if the profile only instruments function entries.
 
bool hasMemoryProfile () const override
 Return true if profile includes a memory profile.
 
bool hasTemporalProfile () const override
 Return true if this has a temporal profile.
 
InstrProfKind getProfileKind () const override
 Returns a BitsetEnum describing the attributes of the raw instr profile.
 
InstrProfSymtabgetSymtab () override
 Return the PGO symtab.
 
SmallVector< TemporalProfTraceTy > & getTemporalProfTraces (std::optional< uint64_t > Weight={}) override
 
- Public Member Functions inherited from llvm::InstrProfReader
 InstrProfReader ()=default
 
virtual ~InstrProfReader ()=default
 
virtual Error readHeader ()=0
 Read the header. Required before reading first record.
 
virtual Error readNextRecord (NamedInstrProfRecord &Record)=0
 Read a single record.
 
virtual Error readBinaryIds (std::vector< llvm::object::BuildID > &BinaryIds)
 Read a list of binary ids.
 
virtual Error printBinaryIds (raw_ostream &OS)
 Print binary ids.
 
InstrProfIterator begin ()
 Iterator over profile data.
 
InstrProfIterator end ()
 
virtual uint64_t getVersion () const =0
 Return the profile version.
 
virtual bool isIRLevelProfile () const =0
 
virtual bool hasCSIRLevelProfile () const =0
 
virtual bool instrEntryBBEnabled () const =0
 
virtual bool hasSingleByteCoverage () const =0
 Return true if the profile has single byte counters representing coverage.
 
virtual bool functionEntryOnly () const =0
 Return true if the profile only instruments function entries.
 
virtual bool hasMemoryProfile () const =0
 Return true if profile includes a memory profile.
 
virtual bool hasTemporalProfile () const =0
 Return true if this has a temporal profile.
 
virtual InstrProfKind getProfileKind () const =0
 Returns a BitsetEnum describing the attributes of the profile.
 
virtual InstrProfSymtabgetSymtab ()=0
 Return the PGO symtab.
 
void accumulateCounts (CountSumOrPercent &Sum, bool IsCS)
 Compute the sum of counts and return in Sum.
 
bool isEOF ()
 Return true if the reader has finished reading the profile data.
 
bool hasError ()
 Return true if the reader encountered an error reading profiling data.
 
Error getError ()
 Get the current error.
 
virtual SmallVector< TemporalProfTraceTy > & getTemporalProfTraces (std::optional< uint64_t > Weight={})
 
uint64_t getTemporalProfTraceStreamSize ()
 

Static Public Member Functions

static bool hasFormat (const MemoryBuffer &DataBuffer)
 
- Static Public Member Functions inherited from llvm::InstrProfReader
static Expected< std::unique_ptr< InstrProfReader > > create (const Twine &Path, vfs::FileSystem &FS, const InstrProfCorrelator *Correlator=nullptr, std::function< void(Error)> Warn=nullptr)
 Factory method to create an appropriately typed reader for the given instrprof file.
 
static Expected< std::unique_ptr< InstrProfReader > > create (std::unique_ptr< MemoryBuffer > Buffer, const InstrProfCorrelator *Correlator=nullptr, std::function< void(Error)> Warn=nullptr)
 

Additional Inherited Members

- Protected Member Functions inherited from llvm::InstrProfReader
Error error (instrprof_error Err, const std::string &ErrMsg="")
 Set the current error and return same.
 
Error error (Error &&E)
 
Error success ()
 Clear the current error and return a successful one.
 
- Protected Attributes inherited from llvm::InstrProfReader
std::unique_ptr< InstrProfSymtabSymtab
 
SmallVector< TemporalProfTraceTyTemporalProfTraces
 A list of temporal profile traces.
 
uint64_t TemporalProfTraceStreamSize = 0
 The total number of temporal profile traces seen.
 

Detailed Description

template<class IntPtrT>
class llvm::RawInstrProfReader< IntPtrT >

Reader for the raw instrprof binary format from runtime.

This format is a raw memory dump of the instrumentation-based profiling data from the runtime. It has no index.

Templated on the unsigned type whose size matches pointers on the platform that wrote the profile.

Definition at line 310 of file InstrProfReader.h.

Constructor & Destructor Documentation

◆ RawInstrProfReader() [1/2]

template<class IntPtrT >
llvm::RawInstrProfReader< IntPtrT >::RawInstrProfReader ( std::unique_ptr< MemoryBuffer DataBuffer,
const InstrProfCorrelator Correlator,
std::function< void(Error)>  Warn 
)
inline

Definition at line 352 of file InstrProfReader.h.

◆ RawInstrProfReader() [2/2]

template<class IntPtrT >
llvm::RawInstrProfReader< IntPtrT >::RawInstrProfReader ( const RawInstrProfReader< IntPtrT > &  )
delete

Member Function Documentation

◆ functionEntryOnly()

template<class IntPtrT >
bool llvm::RawInstrProfReader< IntPtrT >::functionEntryOnly ( ) const
inlineoverridevirtual

Return true if the profile only instruments function entries.

Implements llvm::InstrProfReader.

Definition at line 386 of file InstrProfReader.h.

◆ getProfileKind()

template<class IntPtrT >
InstrProfKind RawInstrProfReader::getProfileKind
overridevirtual

Returns a BitsetEnum describing the attributes of the raw instr profile.

Implements llvm::InstrProfReader.

Definition at line 466 of file InstrProfReader.cpp.

References getProfileKindFromVersion(), and llvm::Version.

◆ getSymtab()

template<class IntPtrT >
InstrProfSymtab & llvm::RawInstrProfReader< IntPtrT >::getSymtab ( )
inlineoverridevirtual

Return the PGO symtab.

There are three different readers: Raw, Text, and Indexed profile readers. The first two types of readers are used only by llvm-profdata tool, while the indexed profile reader is also used by llvm-cov tool and the compiler ( backend or frontend). Since creating PGO symtab can create significant runtime and memory overhead (as it touches data for the whole program), InstrProfSymtab for the indexed profile reader should be created on demand and it is recommended to be only used for dumping purpose with llvm-proftool, not with the compiler.

Implements llvm::InstrProfReader.

Definition at line 403 of file InstrProfReader.h.

References assert(), and llvm::InstrProfReader::Symtab.

◆ getTemporalProfTraces()

template<class IntPtrT >
SmallVector< TemporalProfTraceTy > & RawInstrProfReader::getTemporalProfTraces ( std::optional< uint64_t Weight = {})
overridevirtual
Parameters
Weightfor raw profiles use this as the temporal profile trace weight
Returns
a list of temporal profile traces.

Reimplemented from llvm::InstrProfReader.

Definition at line 472 of file InstrProfReader.cpp.

References assert().

◆ getVersion()

template<class IntPtrT >
uint64_t llvm::RawInstrProfReader< IntPtrT >::getVersion ( ) const
inlineoverridevirtual

Return the profile version.

Implements llvm::InstrProfReader.

Definition at line 368 of file InstrProfReader.h.

◆ hasCSIRLevelProfile()

template<class IntPtrT >
bool llvm::RawInstrProfReader< IntPtrT >::hasCSIRLevelProfile ( ) const
inlineoverridevirtual

Implements llvm::InstrProfReader.

Definition at line 374 of file InstrProfReader.h.

◆ hasFormat()

template<class IntPtrT >
bool RawInstrProfReader::hasFormat ( const MemoryBuffer DataBuffer)
static

◆ hasMemoryProfile()

template<class IntPtrT >
bool llvm::RawInstrProfReader< IntPtrT >::hasMemoryProfile ( ) const
inlineoverridevirtual

Return true if profile includes a memory profile.

Implements llvm::InstrProfReader.

Definition at line 390 of file InstrProfReader.h.

References assert().

◆ hasSingleByteCoverage()

template<class IntPtrT >
bool llvm::RawInstrProfReader< IntPtrT >::hasSingleByteCoverage ( ) const
inlineoverridevirtual

Return true if the profile has single byte counters representing coverage.

Implements llvm::InstrProfReader.

Definition at line 382 of file InstrProfReader.h.

◆ hasTemporalProfile()

template<class IntPtrT >
bool llvm::RawInstrProfReader< IntPtrT >::hasTemporalProfile ( ) const
inlineoverridevirtual

Return true if this has a temporal profile.

Implements llvm::InstrProfReader.

Definition at line 396 of file InstrProfReader.h.

◆ instrEntryBBEnabled()

template<class IntPtrT >
bool llvm::RawInstrProfReader< IntPtrT >::instrEntryBBEnabled ( ) const
inlineoverridevirtual

Implements llvm::InstrProfReader.

Definition at line 378 of file InstrProfReader.h.

◆ isIRLevelProfile()

template<class IntPtrT >
bool llvm::RawInstrProfReader< IntPtrT >::isIRLevelProfile ( ) const
inlineoverridevirtual

Implements llvm::InstrProfReader.

Definition at line 370 of file InstrProfReader.h.

◆ operator=()

template<class IntPtrT >
RawInstrProfReader & llvm::RawInstrProfReader< IntPtrT >::operator= ( const RawInstrProfReader< IntPtrT > &  )
delete

◆ printBinaryIds()

template<class IntPtrT >
Error RawInstrProfReader::printBinaryIds ( raw_ostream OS)
overridevirtual

Print binary ids.

Reimplemented from llvm::InstrProfReader.

Definition at line 869 of file InstrProfReader.cpp.

References OS, printBinaryIdsInternal(), and llvm::Error::success().

◆ readBinaryIds()

template<class IntPtrT >
Error RawInstrProfReader::readBinaryIds ( std::vector< llvm::object::BuildID > &  BinaryIds)
overridevirtual

Read a list of binary ids.

Reimplemented from llvm::InstrProfReader.

Definition at line 861 of file InstrProfReader.cpp.

References llvm::Error::success().

◆ readHeader()

template<class IntPtrT >
Error RawInstrProfReader::readHeader ( )
overridevirtual

Read the header. Required before reading first record.

Implements llvm::InstrProfReader.

Definition at line 500 of file InstrProfReader.cpp.

References llvm::bad_header, llvm::bad_magic, and error.

◆ readNextRecord()

template<class IntPtrT >
Error RawInstrProfReader::readNextRecord ( NamedInstrProfRecord Record)
overridevirtual

Read a single record.

Implements llvm::InstrProfReader.

Definition at line 827 of file InstrProfReader.cpp.

References error, and llvm::success.


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