MemoryProfileInfo.cpp File Reference

#include "llvm/Analysis/MemoryProfileInfo.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/IR/Constants.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Format.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "memory-profile-info"

Functions
LLVM_ABI cl::opt< bool >	MemProfKeepAllNotColdContexts ("memprof-keep-all-not-cold-contexts", cl::init(false), cl::Hidden, cl::desc("Keep all non-cold contexts (increases cloning overheads)"))
static MDNode *	createMIBNode (LLVMContext &Ctx, ArrayRef< uint64_t > MIBCallStack, AllocationType AllocType, ArrayRef< ContextTotalSize > ContextSizeInfo, const uint64_t MaxColdSize, bool BuiltFromExistingMetadata, uint64_t &TotalBytes, uint64_t &ColdBytes)
static void	saveFilteredNewMIBNodes (std::vector< Metadata * > &NewMIBNodes, std::vector< Metadata * > &SavedMIBNodes, unsigned CallerContextLength, uint64_t TotalBytes, uint64_t ColdBytes, bool BuiltFromExistingMetadata)

Variables
cl::opt< bool >	MemProfReportHintedSizes ("memprof-report-hinted-sizes", cl::init(false), cl::Hidden, cl::desc("Report total allocation sizes of hinted allocations"))
cl::opt< unsigned >	MinClonedColdBytePercent ("memprof-cloning-cold-threshold", cl::init(100), cl::Hidden, cl::desc("Min percent of cold bytes to hint alloc cold during cloning"))
cl::opt< unsigned >	MinCallsiteColdBytePercent ("memprof-callsite-cold-threshold", cl::init(100), cl::Hidden, cl::desc("Min percent of cold bytes at a callsite to discard non-cold " "contexts"))
cl::opt< unsigned >	MinPercentMaxColdSize ("memprof-min-percent-max-cold-size", cl::init(100), cl::Hidden, cl::desc("Min percent of max cold bytes for critical cold context"))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "memory-profile-info"

Definition at line 23 of file MemoryProfileInfo.cpp.

Function Documentation

createMIBNode()

static MDNode * createMIBNode ( LLVMContext &  Ctx, ArrayRef< uint64_t >  MIBCallStack, AllocationType  AllocType, ArrayRef< ContextTotalSize >  ContextSizeInfo, const uint64_t  MaxColdSize, bool  BuiltFromExistingMetadata, uint64_t &  TotalBytes, uint64_t &  ColdBytes  )

static

Definition at line 189 of file MemoryProfileInfo.cpp.

References assert(), llvm::memprof::buildCallstackMetadata(), llvm::Cold, llvm::ArrayRef< T >::empty(), llvm::MDNode::get(), llvm::MDString::get(), llvm::ValueAsMetadata::get(), llvm::memprof::getAllocTypeAttributeString(), llvm::Type::getInt64Ty(), llvm::memprof::metadataIncludesAllContextSizeInfo(), MinCallsiteColdBytePercent, MinPercentMaxColdSize, llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::MDTuple::push_back().

MemProfKeepAllNotColdContexts()

LLVM_ABI cl::opt< bool > MemProfKeepAllNotColdContexts	(	"memprof-keep-all-not-cold-contexts"	,
		cl::init(false)	,
		cl::Hidden	,
		cl::desc("Keep all non-cold contexts (increases cloning overheads)")
	)

Referenced by saveFilteredNewMIBNodes().

saveFilteredNewMIBNodes()

static void saveFilteredNewMIBNodes ( std::vector< Metadata * > &  NewMIBNodes, std::vector< Metadata * > &  SavedMIBNodes, unsigned  CallerContextLength, uint64_t  TotalBytes, uint64_t  ColdBytes, bool  BuiltFromExistingMetadata  )

static

Definition at line 256 of file MemoryProfileInfo.cpp.

References llvm::append_range(), assert(), llvm::Cold, llvm::errs(), llvm::format(), llvm::memprof::getMIBAllocType(), llvm::memprof::getMIBStackNode(), llvm::MDNode::getNumOperands(), llvm::MDNode::getOperand(), I, llvm::make_filter_range(), MemProfKeepAllNotColdContexts(), MemProfReportHintedSizes, MinCallsiteColdBytePercent, OS, and llvm::Tag.

Variable Documentation

MemProfReportHintedSizes

cl::opt< bool > MemProfReportHintedSizes("memprof-report-hinted-sizes", cl::init(false), cl::Hidden, cl::desc("Report total allocation sizes of hinted allocations"))	(	"memprof-report-hinted-sizes"	,
		cl::init(false)	,
		cl::Hidden	,
		cl::desc("Report total allocation sizes of hinted allocations")
	)

Referenced by llvm::memprof::CallStackTrie::addSingleAllocTypeAttribute(), llvm::memprof::metadataIncludesAllContextSizeInfo(), and saveFilteredNewMIBNodes().

MinCallsiteColdBytePercent

cl::opt< unsigned > MinCallsiteColdBytePercent("memprof-callsite-cold-threshold", cl::init(100), cl::Hidden, cl::desc("Min percent of cold bytes at a callsite to discard non-cold " "contexts"))	(	"memprof-callsite-cold-threshold"	,
		cl::init(100)	,
		cl::Hidden	,
		cl::desc("Min percent of cold bytes at a callsite to discard non-cold " "contexts")
	)

Referenced by createMIBNode(), llvm::memprof::recordContextSizeInfoForAnalysis(), and saveFilteredNewMIBNodes().

MinClonedColdBytePercent

cl::opt< unsigned > MinClonedColdBytePercent("memprof-cloning-cold-threshold", cl::init(100), cl::Hidden, cl::desc("Min percent of cold bytes to hint alloc cold during cloning"))	(	"memprof-cloning-cold-threshold"	,
		cl::init(100)	,
		cl::Hidden	,
		cl::desc("Min percent of cold bytes to hint alloc cold during cloning")
	)

Referenced by llvm::memprof::metadataIncludesAllContextSizeInfo().

MinPercentMaxColdSize

cl::opt< unsigned > MinPercentMaxColdSize("memprof-min-percent-max-cold-size", cl::init(100), cl::Hidden, cl::desc("Min percent of max cold bytes for critical cold context"))	(	"memprof-min-percent-max-cold-size"	,
		cl::init(100)	,
		cl::Hidden	,
		cl::desc("Min percent of max cold bytes for critical cold context")
	)

Referenced by createMIBNode(), and llvm::memprof::metadataMayIncludeContextSizeInfo().