MemoryProfileInfo.cpp File Reference

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

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "memory-profile-info"

Functions
static void	addAllocTypeAttribute (LLVMContext &Ctx, CallBase *CI, AllocationType AllocType)
static MDNode *	createMIBNode (LLVMContext &Ctx, ArrayRef< uint64_t > MIBCallStack, AllocationType AllocType, ArrayRef< ContextTotalSize > ContextSizeInfo)

Variables
cl::opt< float >	MemProfLifetimeAccessDensityColdThreshold ("memprof-lifetime-access-density-cold-threshold", cl::init(0.05), cl::Hidden, cl::desc("The threshold the lifetime access density (accesses per byte per " "lifetime sec) must be under to consider an allocation cold"))
cl::opt< unsigned >	MemProfAveLifetimeColdThreshold ("memprof-ave-lifetime-cold-threshold", cl::init(200), cl::Hidden, cl::desc("The average lifetime (s) for an allocation to be considered " "cold"))
cl::opt< unsigned >	MemProfMinAveLifetimeAccessDensityHotThreshold ("memprof-min-ave-lifetime-access-density-hot-threshold", cl::init(1000), cl::Hidden, cl::desc("The minimum TotalLifetimeAccessDensity / AllocCount for an " "allocation to be considered hot"))
cl::opt< bool >	MemProfReportHintedSizes ("memprof-report-hinted-sizes", cl::init(false), cl::Hidden, cl::desc("Report total allocation sizes of hinted allocations"))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "memory-profile-info"

Definition at line 20 of file MemoryProfileInfo.cpp.

Function Documentation

addAllocTypeAttribute()

static void addAllocTypeAttribute ( LLVMContext &  Ctx, CallBase *  CI, AllocationType  AllocType  )

static

Definition at line 120 of file MemoryProfileInfo.cpp.

References A, llvm::CallBase::addFnAttr(), llvm::Attribute::get(), and llvm::memprof::getAllocTypeAttributeString().

Referenced by llvm::memprof::CallStackTrie::addSingleAllocTypeAttribute().

createMIBNode()

static MDNode * createMIBNode ( LLVMContext &  Ctx, ArrayRef< uint64_t >  MIBCallStack, AllocationType  AllocType, ArrayRef< ContextTotalSize >  ContextSizeInfo  )

static

Definition at line 197 of file MemoryProfileInfo.cpp.

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

Variable Documentation

MemProfAveLifetimeColdThreshold

cl::opt< unsigned > MemProfAveLifetimeColdThreshold("memprof-ave-lifetime-cold-threshold", cl::init(200), cl::Hidden, cl::desc("The average lifetime (s) for an allocation to be considered " "cold"))	(	"memprof-ave-lifetime-cold-threshold"	,
		cl::init(200)	,
		cl::Hidden	,
		cl::desc("The average lifetime (s) for an allocation to be considered " "cold")
	)

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

MemProfLifetimeAccessDensityColdThreshold

cl::opt< float > MemProfLifetimeAccessDensityColdThreshold("memprof-lifetime-access-density-cold-threshold", cl::init(0.05), cl::Hidden, cl::desc("The threshold the lifetime access density (accesses per byte per " "lifetime sec) must be under to consider an allocation cold"))	(	"memprof-lifetime-access-density-cold-threshold"	,
		cl::init(0.05)	,
		cl::Hidden	,
		cl::desc("The threshold the lifetime access density (accesses per byte per " "lifetime sec) must be under to consider an allocation cold")
	)

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

MemProfMinAveLifetimeAccessDensityHotThreshold

cl::opt< unsigned > MemProfMinAveLifetimeAccessDensityHotThreshold("memprof-min-ave-lifetime-access-density-hot-threshold", cl::init(1000), cl::Hidden, cl::desc("The minimum TotalLifetimeAccessDensity / AllocCount for an " "allocation to be considered hot"))	(	"memprof-min-ave-lifetime-access-density-hot-threshold"	,
		cl::init(1000)	,
		cl::Hidden	,
		cl::desc("The minimum TotalLifetimeAccessDensity / AllocCount for an " "allocation to be considered hot")
	)

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

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 addCallStack(), llvm::memprof::CallStackTrie::addSingleAllocTypeAttribute(), and readMemprof().