utilities.c File Reference

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <math.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include <regex.h>
#include <sys/statfs.h>
#include <sys/time.h>
#include "utilities.h"
#include "aiori.h"
#include "ior.h"
#include "ior-internal.h"

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Macros
#define	RANDALGO_GOLDEN_RATIO_PRIME   0x9e37fffffffc0001UL
#define	O_DIRECT   000000

Functions
void	update_write_memory_pattern (uint64_t item, char *buf, size_t bytes, int rand_seed, int pretendRank, ior_dataPacketType_e dataPacketType, ior_memory_flags type)
void	generate_memory_pattern (char *buf, size_t bytes, int rand_seed, int pretendRank, ior_dataPacketType_e dataPacketType, ior_memory_flags type)
void	invalidate_buffer_pattern (char *buffer, size_t bytes, ior_memory_flags type)
int	verify_memory_pattern (uint64_t item, char *buffer, size_t bytes, int rand_seed, int pretendRank, ior_dataPacketType_e dataPacketType, ior_memory_flags type)
void *	safeMalloc (uint64_t size)
void	FailMessage (int rank, const char *location, char *format,...)
size_t	NodeMemoryStringToBytes (char *size_str)
ior_dataPacketType_e	parsePacketType (char t)
void	updateParsedOptions (IOR_param_t *options, options_all_t *global_options)
void	set_o_direct_flag (int *flag)
char *	CurrentTimeString (void)
void	DumpBuffer (void *buffer, size_t size)
int	QueryNodeMapping (MPI_Comm comm, int print_nodemap)
void	initCUDA (int blockMapping, int rank, int numNodes, int tasksPerNode, int useGPUID)
int	GetNumNodes (MPI_Comm comm)
int	GetNumTasks (MPI_Comm comm)
int	GetNumTasksOnNode0 (MPI_Comm comm)
void	ExtractHint (char *settingVal, char *valueVal, char *hintString)
void	SetHints (MPI_Info *mpiHints, char *hintsFileName)
void	ShowHints (MPI_Info *mpiHints)
IOR_offset_t	StringToBytes (char *size_str)
void	ShowFileSystemSize (char *filename, const struct ior_aiori *backend, void *backend_options)
int	Regex (char *string, char *pattern)
double	GetTimeStamp (void)
static double	TimeDeviation (MPI_Comm com)
void	init_clock (MPI_Comm com)
char *	PrintTimestamp ()
int64_t	ReadStoneWallingIterations (char *const filename, MPI_Comm com)
void	StoreStoneWallingIterations (char *const filename, int64_t count)
void	DelaySecs (int delay)
char *	HumanReadable (IOR_offset_t value, int base)
unsigned long	GetProcessorAndCore (int *chip, int *core)
void *	aligned_buffer_alloc (size_t size, ior_memory_flags type)
void	aligned_buffer_free (void *buf, ior_memory_flags gpu)

Variables
int	errno
int	numTasks
int	rank = 0
int	rankOffset = 0
int	verbose = VERBOSE_0
MPI_Comm	testComm = MPI_COMM_NULL
FILE *	out_logfile = NULL
FILE *	out_resultfile = NULL
enum OutputFormat_t	outputFormat

Macro Definition Documentation

O_DIRECT

#define O_DIRECT   000000

Referenced by set_o_direct_flag().

RANDALGO_GOLDEN_RATIO_PRIME

#define RANDALGO_GOLDEN_RATIO_PRIME   0x9e37fffffffc0001UL

Definition at line 62 of file utilities.c.

Referenced by update_write_memory_pattern(), and verify_memory_pattern().

Function Documentation

aligned_buffer_alloc()

void* aligned_buffer_alloc	(	size_t	size,
		ior_memory_flags	type
	)

Definition at line 1070 of file utilities.c.

References ERR, IOR_MEMORY_TYPE_GPU_DEVICE_ONLY, IOR_MEMORY_TYPE_GPU_MANAGED_CHECK_CPU, IOR_MEMORY_TYPE_GPU_MANAGED_CHECK_GPU, and safeMalloc().

Referenced by mdtest_read(), mdtest_run(), run_benchmark(), run_precreate(), WriteOrRead(), and XferBuffersSetup().

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aligned_buffer_free()

void aligned_buffer_free	(	void *	buf,
		ior_memory_flags	gpu
	)

Definition at line 1119 of file utilities.c.

References ERR, and WARN.

Referenced by mdtest_read(), mdtest_run(), run_benchmark(), run_precreate(), WriteOrRead(), and XferBuffersFree().

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CurrentTimeString()

char* CurrentTimeString

(

void

)

Definition at line 356 of file utilities.c.

References ERR, and NULL.

Referenced by PrintHeader(), PrintTestEnds(), ShowTestStart(), and TestIoSys().

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DelaySecs()

void DelaySecs

(

int

delay

)

Definition at line 974 of file utilities.c.

References out_logfile, rank, verbose, and VERBOSE_1.

Referenced by mdtest_iteration(), and TestIoSys().

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DumpBuffer()

void DumpBuffer	(	void *	buffer,
		size_t	size
	)

Definition at line 381 of file utilities.c.

References IOR_format, and out_logfile.

ExtractHint()

void ExtractHint	(	char *	settingVal,
		char *	valueVal,
		char *	hintString
	)

Definition at line 628 of file utilities.c.

References NULL, and out_logfile.

Referenced by SetHints().

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FailMessage()

void FailMessage	(	int	rank,
		const char *	location,
		char *	format,
			...
	)

Definition at line 247 of file utilities.c.

References out_logfile, PrintTimestamp(), and testComm.

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generate_memory_pattern()

void generate_memory_pattern	(	char *	buf,
		size_t	bytes,
		int	rand_seed,
		int	pretendRank,
		ior_dataPacketType_e	dataPacketType,
		ior_memory_flags	type
	)

Fills a buffer with bytes of a given pattern. Not performance-sensitive because it is called once per test.

Parameters

buf	pointer to byte buffer to fill
bytes	number of bytes to produce to fill buffer
rand_seed	seed to use for PRNG
pretendRank	unique identifier for this process
dataPacketType	identifier to designate pattern to fill buffer

Definition at line 137 of file utilities.c.

References DATA_INCOMPRESSIBLE, DATA_OFFSET, DATA_RANDOM, DATA_TIMESTAMP, generate_memory_pattern_gpu(), IOR_MEMORY_TYPE_GPU_DEVICE_ONLY, and IOR_MEMORY_TYPE_GPU_MANAGED_CHECK_GPU.

Referenced by mdtest_run(), run_benchmark(), run_precreate(), and TestIoSys().

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GetNumNodes()

int GetNumNodes

(

MPI_Comm

comm

)

Definition at line 476 of file utilities.c.

References GetNumTasks(), GetNumTasksOnNode0(), MPI_CHECK, numTasks, and rank.

Referenced by InitTests(), md_workbench_run(), and mdtest_run().

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GetNumTasks()

int GetNumTasks

(

MPI_Comm

comm

)

Definition at line 513 of file utilities.c.

References MPI_CHECK, and numTasks.

Referenced by GetNumNodes(), and InitTests().

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GetNumTasksOnNode0()

int GetNumTasksOnNode0

(

MPI_Comm

comm

)

Definition at line 551 of file utilities.c.

References FAIL, MAX_PATHLEN, MPI_CHECK, out_logfile, rank, and verbose.

Referenced by GetNumNodes(), InitTests(), md_workbench_run(), and mdtest_run().

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GetProcessorAndCore()

unsigned long GetProcessorAndCore	(	int *	chip,
		int *	core
	)

Definition at line 1057 of file utilities.c.

Referenced by GetTestFileName(), and HumanReadable().

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GetTimeStamp()

double GetTimeStamp

(

void

)

Definition at line 876 of file utilities.c.

References ERR, and NULL.

Referenced by add_timed_result(), directory_test(), file_test(), file_test_create(), md_workbench_run(), mdtest_iteration(), mdw_wait(), run_benchmark(), run_cleanup(), run_precreate(), test_time_elapsed(), TestIoSys(), TimeDeviation(), updateStoneWallIterations(), and WriteOrRead().

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HumanReadable()

char* HumanReadable	(	IOR_offset_t	value,
		int	base
	)

Definition at line 987 of file utilities.c.

References BASE_TEN, BASE_TWO, GetProcessorAndCore(), GIBIBYTE, GIGABYTE, MAX_STR, MEBIBYTE, MEGABYTE, and NULL.

Referenced by ShowSetup().

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init_clock()

void init_clock

(

MPI_Comm

com

)

Definition at line 917 of file utilities.c.

Referenced by InitTests(), md_workbench_run(), and mdtest_run().

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initCUDA()

void initCUDA	(	int	blockMapping,
		int	rank,
		int	numNodes,
		int	tasksPerNode,
		int	useGPUID
	)

Definition at line 438 of file utilities.c.

References ERRF, and WARNF.

Referenced by md_workbench_run(), mdtest_run(), and test_initialize().

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invalidate_buffer_pattern()

void invalidate_buffer_pattern	(	char *	buffer,
		size_t	bytes,
		ior_memory_flags	type
	)

Definition at line 172 of file utilities.c.

References IOR_MEMORY_TYPE_GPU_DEVICE_ONLY, and IOR_MEMORY_TYPE_GPU_MANAGED_CHECK_GPU.

Referenced by mdtest_read(), run_benchmark(), and WriteOrReadSingle().

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NodeMemoryStringToBytes()

size_t NodeMemoryStringToBytes

(

char *

size_str

)

Definition at line 259 of file utilities.c.

References ERR, rc, and string_to_bytes().

Referenced by DecodeDirective(), and updateParsedOptions().

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parsePacketType()

ior_dataPacketType_e parsePacketType

(

char

t

)

Definition at line 291 of file utilities.c.

References DATA_INCOMPRESSIBLE, DATA_OFFSET, DATA_RANDOM, DATA_TIMESTAMP, and ERRF.

Referenced by DecodeDirective(), md_workbench_run(), mdtest_run(), and updateParsedOptions().

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PrintTimestamp()

char* PrintTimestamp

(

)

Definition at line 921 of file utilities.c.

References NULL, out_logfile, rank, and verbose.

Referenced by FailMessage(), and mdtest_run().

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QueryNodeMapping()

int QueryNodeMapping	(	MPI_Comm	comm,
		int	print_nodemap
	)

Definition at line 402 of file utilities.c.

References FAIL, MAX_PATHLEN, out_logfile, and rank.

Referenced by InitTests(), md_workbench_run(), and mdtest_run().

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ReadStoneWallingIterations()

int64_t ReadStoneWallingIterations	(	char *const	filename,
		MPI_Comm	com
	)

Definition at line 936 of file utilities.c.

References NULL, and rank.

Referenced by file_test(), and TestIoSys().

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Regex()

int Regex	(	char *	string,
		char *	pattern
	)

Definition at line 833 of file utilities.c.

References ERR.

safeMalloc()

void* safeMalloc

(

uint64_t

size

)

Definition at line 238 of file utilities.c.

References ERR, and NULL.

Referenced by aligned_buffer_alloc(), AllocResults(), createGlobalOptions(), GetOffsetArrayRandom(), HDF5_Open(), mdtest_run(), parse_dirpath(), POSIX_Create(), POSIX_Open(), StoreRankInformation(), and summarize_results().

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set_o_direct_flag()

void set_o_direct_flag

(

int *

flag

)

Definition at line 332 of file utilities.c.

References O_DIRECT, and WARN.

Referenced by IME_Open(), POSIX_Create(), and POSIX_Open().

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SetHints()

void SetHints	(	MPI_Info *	mpiHints,
		char *	hintsFileName
	)

Definition at line 656 of file utilities.c.

References environ, ERR, ExtractHint(), MAX_STR, MPI_CHECK, NULL, and WARN.

Referenced by HDF5_Open(), MPIIO_Access(), MPIIO_GetFileSize(), MPIIO_Open(), NCMPI_Create(), and NCMPI_Open().

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ShowFileSystemSize()

void ShowFileSystemSize	(	char *	filename,
		const struct ior_aiori *	backend,
		void *	backend_options
	)

Definition at line 770 of file utilities.c.

References ior_aiori_statfs::f_bfree, ior_aiori_statfs::f_blocks, ior_aiori_statfs::f_bsize, ior_aiori_statfs::f_ffree, ior_aiori_statfs::f_files, out_logfile, out_resultfile, OUTPUT_CSV, OUTPUT_DEFAULT, OUTPUT_JSON, outputFormat, ior_aiori::statfs, and WARN.

Referenced by mdtest_run(), and ShowTestStart().

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ShowHints()

void ShowHints

(

MPI_Info *

mpiHints

)

Definition at line 717 of file utilities.c.

References MPI_CHECK, and out_logfile.

Referenced by HDF5_Open(), MPIIO_Open(), NCMPI_Create(), and NCMPI_Open().

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StoreStoneWallingIterations()

void StoreStoneWallingIterations	(	char *const	filename,
		int64_t	count
	)

Definition at line 959 of file utilities.c.

References FAIL, NULL, and rank.

Referenced by file_test_create(), and ShowTestEnd().

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StringToBytes()

IOR_offset_t StringToBytes

(

char *

size_str

)

Definition at line 739 of file utilities.c.

References rc.

TimeDeviation()

static double TimeDeviation ( MPI_Comm  com )

static

Definition at line 892 of file utilities.c.

References GetTimeStamp(), min, and MPI_CHECK.

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update_write_memory_pattern()

void update_write_memory_pattern	(	uint64_t	item,
		char *	buf,
		size_t	bytes,
		int	rand_seed,
		int	pretendRank,
		ior_dataPacketType_e	dataPacketType,
		ior_memory_flags	type
	)

Modifies a buffer for a write. Performance sensitive because it is called before each write.

Parameters

buf	pointer to byte buffer to fill
bytes	number of bytes to produce to fill buffer
rand_seed	seed to use for PRNG
pretendRank	unique identifier for this process
dataPacketType	identifier to designate pattern to fill buffer

Definition at line 94 of file utilities.c.

References DATA_RANDOM, DATA_TIMESTAMP, IOR_MEMORY_TYPE_GPU_DEVICE_ONLY, IOR_MEMORY_TYPE_GPU_MANAGED_CHECK_GPU, RANDALGO_GOLDEN_RATIO_PRIME, and update_write_memory_pattern_gpu().

Referenced by create_file(), run_benchmark(), run_precreate(), and WriteOrReadSingle().

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updateParsedOptions()

void updateParsedOptions	(	IOR_param_t *	options,
		options_all_t *	global_options
	)

Definition at line 308 of file utilities.c.

References aiori_select(), airoi_update_module_options(), IOR_param_t::api, IOR_param_t::apiVersion, backend, IOR_param_t::backend, IOR_param_t::backend_options, IOR_param_t::buffer_type, IOR_param_t::dataPacketType, ERR, ior_aiori::get_version, IOR_param_t::incompressibleSeed, IOR_param_t::memoryPerNode, IOR_param_t::memoryPerNodeStr, NodeMemoryStringToBytes(), NULL, parsePacketType(), and IOR_param_t::setTimeStampSignature.

Referenced by ParseCommandLine().

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verify_memory_pattern()

int verify_memory_pattern	(	uint64_t	item,
		char *	buffer,
		size_t	bytes,
		int	rand_seed,
		int	pretendRank,
		ior_dataPacketType_e	dataPacketType,
		ior_memory_flags	type
	)

Definition at line 182 of file utilities.c.

References DATA_INCOMPRESSIBLE, DATA_OFFSET, DATA_RANDOM, DATA_TIMESTAMP, IOR_MEMORY_TYPE_GPU_DEVICE_ONLY, IOR_MEMORY_TYPE_GPU_MANAGED_CHECK_GPU, RANDALGO_GOLDEN_RATIO_PRIME, and verify_memory_pattern_gpu().

Referenced by CompareData(), create_file(), mdtest_read(), and run_benchmark().

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Variable Documentation

errno

int errno

numTasks

int numTasks

Referenced by DisplayOutliers(), file_hits_histogram(), GetNumNodes(), and GetNumTasks().

out_logfile

FILE* out_logfile = NULL

Definition at line 74 of file utilities.c.

Referenced by airoi_create_all_module_options(), CountErrors(), DecodeDirective(), DelaySecs(), DUMMY_Close(), DUMMY_Create(), DUMMY_Delete(), DUMMY_Fsync(), DUMMY_GetFileSize(), DUMMY_Open(), DUMMY_Xfer(), DumpBuffer(), ExtractHint(), FailMessage(), file_hits_histogram(), GetNumTasksOnNode0(), HogMemory(), ior_main(), ior_run(), md_workbench_run(), mdtest_run(), ParseLine(), PrintHeader(), PrintTimestamp(), QueryNodeMapping(), RemoveFile(), ShowFileSystemSize(), ShowHints(), ShowSetup(), ShowTestEnd(), summarize_results_rank0(), TestIoSys(), VerboseMessage(), WriteOrRead(), and WriteTimes().

out_resultfile

FILE* out_resultfile = NULL

Definition at line 75 of file utilities.c.

Referenced by DecodeDirective(), ior_main(), ior_run(), mdtest_run(), PPDouble(), PrintArrayEnd(), PrintArrayNamedStart(), PrintArrayStart(), PrintEndSection(), PrintHeader(), PrintIndent(), PrintKeyVal(), PrintKeyValDouble(), PrintKeyValEnd(), PrintKeyValInt(), PrintKeyValStart(), PrintLongSummaryAllTests(), PrintLongSummaryHeader(), PrintLongSummaryOneOperation(), PrintNamedArrayStart(), PrintNamedSectionStart(), PrintNextToken(), PrintReducedResult(), PrintRemoveTiming(), PrintShortSummary(), PrintStartSection(), PrintTableHeader(), ShowFileSystemSize(), ShowSetup(), and ShowTestStart().

outputFormat

enum OutputFormat_t outputFormat

Definition at line 76 of file utilities.c.

Referenced by DecodeDirective(), PrintArrayEnd(), PrintArrayNamedStart(), PrintArrayStart(), PrintEndSection(), PrintHeader(), PrintIndent(), PrintKeyVal(), PrintKeyValDouble(), PrintKeyValEnd(), PrintKeyValInt(), PrintKeyValStart(), PrintLongSummaryAllTests(), PrintLongSummaryHeader(), PrintLongSummaryOneOperation(), PrintNamedArrayStart(), PrintNamedSectionStart(), PrintNextToken(), PrintReducedResult(), PrintRemoveTiming(), PrintRepeatStart(), PrintShortSummary(), PrintStartSection(), PrintTableHeader(), PrintTestEnds(), ShowFileSystemSize(), ShowSetup(), and ShowTestStart().

rank

int rank = 0

Definition at line 70 of file utilities.c.

Referenced by CEPHFS_GetFileSize(), CheckFileSize(), collective_helper(), CountErrors(), create_file(), DecodeDirective(), DelaySecs(), DFS_Create(), DFS_Finalize(), DFS_GetFileSize(), DFS_Init(), DFS_Open(), directory_test(), DisplayOutliers(), DistributeHints(), DUMMY_Close(), DUMMY_Create(), DUMMY_Sync(), DUMMY_Xfer(), file_hits_histogram(), file_test(), file_test_create(), GetNumNodes(), GetNumTasksOnNode0(), GetOffsetArrayRandom(), GetTestFileName(), HandleDistribute(), HDF5_GetFileSize(), HDF5_MkDir(), HDF5_Open(), HDF5_RmDir(), HDF5_Stat(), HDF5_StatFS(), HDF5_Xfer(), HDFS_Create_Or_Open(), HDFS_Delete(), HDFS_Xfer(), IME_Delete(), IME_Options(), IME_Xfer(), InitTests(), ior_main(), ior_run(), md_validate_tests(), mdtest_iteration(), mdtest_read(), mdtest_run(), MPIIO_Open(), MPIIO_Xfer(), NCMPI_Create(), NCMPI_Open(), NCMPI_Xfer(), PMDK_Delete(), PMDK_xfer_hints(), POSIX_Create(), POSIX_Delete(), POSIX_Rename(), POSIX_Xfer(), PrependDir(), PrintArrayEnd(), PrintArrayNamedStart(), PrintArrayStart(), PrintEndSection(), PrintHeader(), PrintLongSummaryAllTests(), PrintLongSummaryHeader(), PrintLongSummaryOneOperation(), PrintRemoveTiming(), PrintRepeatEnd(), PrintRepeatStart(), PrintShortSummary(), PrintTestEnds(), PrintTimestamp(), QueryNodeMapping(), ReadStoneWallingIterations(), ReduceIterResults(), remove_file(), RemoveFile(), S3_Close_internal(), s3_connect(), S3_Create_Or_Open_internal(), S3_final(), S3_GetFileSize(), S3_init(), S3_Xfer_internal(), SeekOffset(), SetupDataSet(), share_file_handle(), ShowTestEnd(), StoreRankInformation(), StoreStoneWallingIterations(), summarize_results(), test_initialize(), TestIoSys(), VerboseMessage(), WriteOrRead(), and WriteTimes().

rankOffset

int rankOffset = 0

Definition at line 71 of file utilities.c.

Referenced by file_hits_histogram(), GetTestFileName(), HDF5_Xfer(), IME_Options(), MPIIO_Open(), NCMPI_Xfer(), PMDK_xfer_hints(), PrependDir(), RemoveFile(), SeekOffset(), SetupDataSet(), TestIoSys(), and WriteOrRead().

testComm

MPI_Comm testComm = MPI_COMM_NULL

Definition at line 73 of file utilities.c.

Referenced by CEPHFS_GetFileSize(), CheckFileSize(), CountErrors(), DFS_check_params(), DFS_Create(), DFS_Finalize(), DFS_GetFileSize(), DFS_Open(), directory_test(), DisplayOutliers(), FailMessage(), file_test(), file_test_create(), HandleDistribute(), HDF5_Open(), HDFS_Create_Or_Open(), IME_Options(), mdtest_iteration(), mdtest_run(), MPIIO_GetFileSize(), MPIIO_Open(), NCMPI_Create(), NCMPI_Open(), phase_end(), phase_prepare(), PMDK_xfer_hints(), POSIX_Create(), ReduceIterResults(), S3_Close_internal(), s3_connect(), S3_Create_Or_Open_internal(), S3_GetFileSize(), share_file_handle(), StoreRankInformation(), summarize_results(), test_finalize(), test_initialize(), TestIoSys(), unique_dir_access(), updateStoneWallIterations(), and WriteOrRead().

verbose

int verbose = VERBOSE_0

Definition at line 72 of file utilities.c.

Referenced by CheckFileSize(), DelaySecs(), DUMMY_Close(), DUMMY_Create(), DUMMY_Delete(), DUMMY_Fsync(), DUMMY_GetFileSize(), DUMMY_Open(), DUMMY_Xfer(), GetNumTasksOnNode0(), HDFS_Close(), hdfs_connect(), HDFS_Create(), HDFS_Create_Or_Open(), HDFS_Delete(), hdfs_disconnect(), HDFS_Fsync(), HDFS_GetFileSize(), HDFS_Open(), HDFS_Xfer(), HogMemory(), IME_Options(), IME_Xfer(), InitTests(), ior_main(), mdtest_run(), PMDK_xfer_hints(), POSIX_check_params(), POSIX_Xfer(), PrintHeader(), PrintLongSummaryAllTests(), PrintLongSummaryHeader(), PrintLongSummaryOneOperation(), PrintRemoveTiming(), PrintShortSummary(), PrintTestEnds(), PrintTimestamp(), ProcessIterResults(), ReduceIterResults(), RemoveFile(), S3_Close_internal(), S3_Create_Or_Open_internal(), SetupDataSet(), ShowTestStart(), test_initialize(), TestIoSys(), updateStoneWallIterations(), VerboseMessage(), and WriteOrRead().