MemProfInstrumentation.cpp File Reference (original) (raw)

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Macros
#define	DEBUG_TYPE "memprof"

Functions
	STATISTIC (NumInstrumentedReads, "Number of instrumented reads")
	STATISTIC (NumInstrumentedWrites, "Number of instrumented writes")
	STATISTIC (NumSkippedStackReads, "Number of non-instrumented stack reads")
	STATISTIC (NumSkippedStackWrites, "Number of non-instrumented stack writes")
void	createProfileFileNameVar (Module &M)
void	createMemprofHistogramFlagVar (Module &M)
void	createMemprofDefaultOptionsVar (Module &M)

Variables
constexpr int	LLVM_MEM_PROFILER_VERSION = 1
constexpr uint64_t	DefaultMemGranularity = 64
constexpr uint64_t	HistogramGranularity = 8
constexpr uint64_t	DefaultShadowScale = 3
constexpr char	MemProfModuleCtorName [] = "memprof.module_ctor"
constexpr uint64_t	MemProfCtorAndDtorPriority = 1
constexpr uint64_t	MemProfEmscriptenCtorAndDtorPriority = 50
constexpr char	MemProfInitName [] = "__memprof_init"
constexpr char	MemProfVersionCheckNamePrefix []
constexpr char	MemProfShadowMemoryDynamicAddress []
constexpr char	MemProfFilenameVar [] = "__memprof_profile_filename"
constexpr char	MemProfHistogramFlagVar [] = "__memprof_histogram"
static cl::opt< bool >	ClInsertVersionCheck ("memprof-guard-against-version-mismatch", cl::desc("Guard against compiler/runtime version mismatch."), cl::Hidden, cl::init(true))
static cl::opt< bool >	ClInstrumentReads ("memprof-instrument-reads", cl::desc("instrument read instructions"), cl::Hidden, cl::init(true))
static cl::opt< bool >	ClInstrumentWrites ("memprof-instrument-writes", cl::desc("instrument write instructions"), cl::Hidden, cl::init(true))
static cl::opt< bool >	ClInstrumentAtomics ("memprof-instrument-atomics", cl::desc("instrument atomic instructions (rmw, cmpxchg)"), cl::Hidden, cl::init(true))
static cl::opt< bool >	ClUseCalls ("memprof-use-callbacks", cl::desc("Use callbacks instead of inline instrumentation sequences."), cl::Hidden, cl::init(false))
static cl::opt< std::string >	ClMemoryAccessCallbackPrefix ("memprof-memory-access-callback-prefix", cl::desc("Prefix for memory access callbacks"), cl::Hidden, cl::init("__memprof_"))
static cl::opt< int >	ClMappingScale ("memprof-mapping-scale", cl::desc("scale of memprof shadow mapping"), cl::Hidden, cl::init(DefaultShadowScale))
static cl::opt< int >	ClMappingGranularity ("memprof-mapping-granularity", cl::desc("granularity of memprof shadow mapping"), cl::Hidden, cl::init(DefaultMemGranularity))
static cl::opt< bool >	ClStack ("memprof-instrument-stack", cl::desc("Instrument scalar stack variables"), cl::Hidden, cl::init(false))
static cl::opt< int >	ClDebug ("memprof-debug", cl::desc("debug"), cl::Hidden, cl::init(0))
static cl::opt< std::string >	ClDebugFunc ("memprof-debug-func", cl::Hidden, cl::desc("Debug func"))
static cl::opt< int >	ClDebugMin ("memprof-debug-min", cl::desc("Debug min inst"), cl::Hidden, cl::init(-1))
static cl::opt< int >	ClDebugMax ("memprof-debug-max", cl::desc("Debug max inst"), cl::Hidden, cl::init(-1))
static cl::opt< bool >	ClHistogram ("memprof-histogram", cl::desc("Collect access count histograms"), cl::Hidden, cl::init(false))
static cl::opt< std::string >	MemprofRuntimeDefaultOptions ("memprof-runtime-default-options", cl::desc("The default memprof options"), cl::Hidden, cl::init(""))

◆ DEBUG_TYPE

#define DEBUG_TYPE "memprof"

◆ createMemprofDefaultOptionsVar()

void createMemprofDefaultOptionsVar	(	Module &	M	)

◆ createMemprofHistogramFlagVar()

void createMemprofHistogramFlagVar	(	Module &	M	)

◆ createProfileFileNameVar()

void createProfileFileNameVar	(	Module &	M	)

Definition at line 474 of file MemProfInstrumentation.cpp.

References assert(), llvm::dyn_cast_or_null(), llvm::StringRef::empty(), llvm::GlobalValue::ExternalLinkage, llvm::ConstantDataArray::getString(), llvm::MDString::getString(), llvm::Value::getType(), MemProfFilenameVar, llvm::GlobalObject::setComdat(), llvm::GlobalValue::setLinkage(), and llvm::GlobalValue::WeakAnyLinkage.

◆ STATISTIC() [1/4]

STATISTIC	(	NumInstrumentedReads	,
"Number of instrumented reads"	)

◆ STATISTIC() [2/4]

STATISTIC	(	NumInstrumentedWrites	,
"Number of instrumented writes"	)

◆ STATISTIC() [3/4]

STATISTIC	(	NumSkippedStackReads	,
"Number of non-instrumented stack reads"	)

◆ STATISTIC() [4/4]

STATISTIC	(	NumSkippedStackWrites	,
"Number of non-instrumented stack writes"	)

◆ ClDebug

cl::opt< int > ClDebug("memprof-debug", cl::desc("debug"), cl::Hidden, cl::init(0)) ( "memprof-debug" , cl::desc("debug") , cl::Hidden , cl::init(0) )	static

◆ ClDebugFunc

◆ ClDebugMax

cl::opt< int > ClDebugMax("memprof-debug-max", cl::desc("Debug max inst"), cl::Hidden, cl::init(-1)) ( "memprof-debug-max" , cl::desc("Debug max inst") , cl::Hidden , cl::init(-1) )	static

◆ ClDebugMin

cl::opt< int > ClDebugMin("memprof-debug-min", cl::desc("Debug min inst"), cl::Hidden, cl::init(-1)) ( "memprof-debug-min" , cl::desc("Debug min inst") , cl::Hidden , cl::init(-1) )	static

◆ ClHistogram

cl::opt< bool > ClHistogram("memprof-histogram", cl::desc("Collect access count histograms"), cl::Hidden, cl::init(false)) ( "memprof-histogram" , cl::desc("Collect access count histograms") , cl::Hidden , cl::init(false) )	static

◆ ClInsertVersionCheck

cl::opt< bool > ClInsertVersionCheck("memprof-guard-against-version-mismatch", cl::desc("Guard against compiler/runtime version mismatch."), cl::Hidden, cl::init(true)) ( "memprof-guard-against-version-mismatch" , cl::desc("Guard against compiler/runtime version mismatch.") , cl::Hidden , cl::init(true) )	static

◆ ClInstrumentAtomics

◆ ClInstrumentReads

cl::opt< bool > ClInstrumentReads("memprof-instrument-reads", cl::desc("instrument read instructions"), cl::Hidden, cl::init(true)) ( "memprof-instrument-reads" , cl::desc("instrument read instructions") , cl::Hidden , cl::init(true) )	static

◆ ClInstrumentWrites

◆ ClMappingGranularity

cl::opt< int > ClMappingGranularity("memprof-mapping-granularity", cl::desc("granularity of memprof shadow mapping"), cl::Hidden, cl::init(DefaultMemGranularity)) ( "memprof-mapping-granularity" , cl::desc("granularity of memprof shadow mapping") , cl::Hidden , cl::init(DefaultMemGranularity) )	static

◆ ClMappingScale

cl::opt< int > ClMappingScale("memprof-mapping-scale", cl::desc("scale of memprof shadow mapping"), cl::Hidden, cl::init(DefaultShadowScale)) ( "memprof-mapping-scale" , cl::desc("scale of memprof shadow mapping") , cl::Hidden , cl::init(DefaultShadowScale) )	static

◆ ClMemoryAccessCallbackPrefix

cl::opt< std::string > ClMemoryAccessCallbackPrefix("memprof-memory-access-callback-prefix", cl::desc("Prefix for memory access callbacks"), cl::Hidden, cl::init("__memprof_")) ( "memprof-memory-access-callback-prefix" , cl::desc("Prefix for memory access callbacks") , cl::Hidden , cl::init("__memprof_") )	static

◆ ClStack

cl::opt< bool > ClStack("memprof-instrument-stack", cl::desc("Instrument scalar stack variables"), cl::Hidden, cl::init(false)) ( "memprof-instrument-stack" , cl::desc("Instrument scalar stack variables") , cl::Hidden , cl::init(false) )	static

◆ ClUseCalls

◆ DefaultMemGranularity

◆ DefaultShadowScale

◆ HistogramGranularity

◆ LLVM_MEM_PROFILER_VERSION

int LLVM_MEM_PROFILER_VERSION = 1	constexpr

◆ MemProfCtorAndDtorPriority

◆ MemProfEmscriptenCtorAndDtorPriority

uint64_t MemProfEmscriptenCtorAndDtorPriority = 50	constexpr

◆ MemProfFilenameVar

char MemProfFilenameVar[] = "__memprof_profile_filename"	constexpr

◆ MemProfHistogramFlagVar

char MemProfHistogramFlagVar[] = "__memprof_histogram"	constexpr

◆ MemProfInitName

char MemProfInitName[] = "__memprof_init"	constexpr

◆ MemProfModuleCtorName

char MemProfModuleCtorName[] = "memprof.module_ctor"	constexpr

◆ MemprofRuntimeDefaultOptions

cl::opt< std::string > MemprofRuntimeDefaultOptions("memprof-runtime-default-options", cl::desc("The default memprof options"), cl::Hidden, cl::init("")) ( "memprof-runtime-default-options" , cl::desc("The default memprof options") , cl::Hidden , cl::init("") )	static

◆ MemProfShadowMemoryDynamicAddress

char MemProfShadowMemoryDynamicAddress[]	constexpr

◆ MemProfVersionCheckNamePrefix

char MemProfVersionCheckNamePrefix[]	constexpr