init.c revision e916b390684ec1ca6247f98138fa9c1682701d29
1906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe/* 2cb2c86fdf03241fee32fd2e2caff43af1022403cJens Axboe * This file contains job initialization and setup functions. 3906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe */ 4ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include <stdio.h> 5ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include <stdlib.h> 6ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include <unistd.h> 7ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include <fcntl.h> 8ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include <ctype.h> 9ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include <string.h> 10ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include <errno.h> 11b46928282e0a890f49250e79b81af773a2b7108fJens Axboe#include <getopt.h> 12b46928282e0a890f49250e79b81af773a2b7108fJens Axboe#include <assert.h> 13ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include <sys/ipc.h> 14ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include <sys/shm.h> 15ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include <sys/types.h> 16ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include <sys/stat.h> 17ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 18ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#include "fio.h" 19cb2c86fdf03241fee32fd2e2caff43af1022403cJens Axboe#include "parse.h" 20ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 21ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe#define FIO_RANDSEED (0xb1899bedUL) 22ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 23e1f365035a952233463d85d659bd960ba78f012eJens Axboe#define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) 24e1f365035a952233463d85d659bd960ba78f012eJens Axboe 25b46928282e0a890f49250e79b81af773a2b7108fJens Axboestatic int str_rw_cb(void *, const char *); 26b46928282e0a890f49250e79b81af773a2b7108fJens Axboestatic int str_ioengine_cb(void *, const char *); 27b46928282e0a890f49250e79b81af773a2b7108fJens Axboestatic int str_mem_cb(void *, const char *); 28b46928282e0a890f49250e79b81af773a2b7108fJens Axboestatic int str_verify_cb(void *, const char *); 29e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic int str_lockmem_cb(void *, unsigned long *); 3034cfcdafa994a0a75120e498c51eda08bde5df72Jens Axboe#ifdef FIO_HAVE_IOPRIO 31e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic int str_prio_cb(void *, unsigned int *); 32e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic int str_prioclass_cb(void *, unsigned int *); 3334cfcdafa994a0a75120e498c51eda08bde5df72Jens Axboe#endif 34e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic int str_exitall_cb(void); 35e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic int str_cpumask_cb(void *, unsigned int *); 36e1f365035a952233463d85d659bd960ba78f012eJens Axboe 37ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe#define __stringify_1(x) #x 38ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe#define __stringify(x) __stringify_1(x) 39ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe 40e1f365035a952233463d85d659bd960ba78f012eJens Axboe/* 41e1f365035a952233463d85d659bd960ba78f012eJens Axboe * Map of job/command line options 42e1f365035a952233463d85d659bd960ba78f012eJens Axboe */ 43e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic struct fio_option options[] = { 44e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 4561697c37566a211ad3fd70f46397d9b7675b0fc2Jens Axboe .name = "description", 4661697c37566a211ad3fd70f46397d9b7675b0fc2Jens Axboe .type = FIO_OPT_STR_STORE, 4761697c37566a211ad3fd70f46397d9b7675b0fc2Jens Axboe .off1 = td_var_offset(description), 4861697c37566a211ad3fd70f46397d9b7675b0fc2Jens Axboe .help = "Text job description", 4961697c37566a211ad3fd70f46397d9b7675b0fc2Jens Axboe }, 5061697c37566a211ad3fd70f46397d9b7675b0fc2Jens Axboe { 51e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "name", 52e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_STORE, 53e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(name), 54fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Name of this job", 55e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 56e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 57e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "directory", 58e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_STORE, 59e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(directory), 60fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Directory to store files in", 61e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 62e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 63e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "filename", 64e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_STORE, 65e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(filename), 66fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Force the use of a specific file", 67e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 68e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 69e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "rw", 70e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR, 71e1f365035a952233463d85d659bd960ba78f012eJens Axboe .cb = str_rw_cb, 7215f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .help = "IO direction", 73ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "read", 7415f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .posval = { "read", "write", "randwrite", "randread", "rw", 7515f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe "randrw", }, 76e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 77e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 78e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "ioengine", 79e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR, 80e1f365035a952233463d85d659bd960ba78f012eJens Axboe .cb = str_ioengine_cb, 8115f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .help = "IO engine to use", 82ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "sync", 8315f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .posval = { "sync", "libaio", "posixaio", "mmap", "splice", 84a4f4fdd7c9e46a50bc33ecef44d9f06036580ad4Jens Axboe "sg", "null", "net", "syslet-rw" }, 85e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 86e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 8703b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "iodepth", 8803b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_INT, 8903b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(iodepth), 9003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Amount of IO buffers to keep in flight", 9103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "1", 9203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 9303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 94e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe .name = "iodepth_low", 95e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe .type = FIO_OPT_INT, 96e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe .off1 = td_var_offset(iodepth_low), 97e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe .help = "Low water mark for queuing depth", 98e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe }, 99e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe { 10003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "size", 10103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_STR_VAL, 10203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(total_file_size), 10303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Size of device or file", 10403b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 10503b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 10603b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "bs", 10703b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_STR_VAL_INT, 10803b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(bs[DDIR_READ]), 10903b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off2 = td_var_offset(bs[DDIR_WRITE]), 11003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Block size unit", 11103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "4k", 11203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 11303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 11403b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "bsrange", 11503b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_RANGE, 11603b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(min_bs[DDIR_READ]), 11703b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off2 = td_var_offset(max_bs[DDIR_READ]), 11803b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off3 = td_var_offset(min_bs[DDIR_WRITE]), 11903b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off4 = td_var_offset(max_bs[DDIR_WRITE]), 12003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Set block size range (in more detail than bs)", 12103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 12203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 12303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "bs_unaligned", 12403b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_STR_SET, 12503b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(bs_unaligned), 12603b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Don't sector align IO buffer sizes", 12703b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 12803b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 12903b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "offset", 13003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_STR_VAL, 13103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(start_offset), 13203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Start IO from this offset", 13303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "0", 13403b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 13503b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 13603b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "randrepeat", 13703b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_BOOL, 13803b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(rand_repeatable), 13903b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Use repeatable random IO pattern", 14003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "1", 14103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 14203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 14303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "norandommap", 14403b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_STR_SET, 14503b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(norandommap), 14603b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Accept potential duplicate random blocks", 14703b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 14803b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 14903b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "nrfiles", 15003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_INT, 15103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(nr_files), 15203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Split job workload between this number of files", 15303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "1", 15403b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 15503b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 15603b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "fsync", 15703b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_INT, 15803b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(fsync_blocks), 15903b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Issue fsync for writes every given number of blocks", 16003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "0", 16103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 16203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 16303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "direct", 16403b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_BOOL, 16503b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(odirect), 16676a43db448f9fd5e9f1397428a433466d98e0d5dJens Axboe .help = "Use O_DIRECT IO (negates buffered)", 16776a43db448f9fd5e9f1397428a433466d98e0d5dJens Axboe .def = "0", 16876a43db448f9fd5e9f1397428a433466d98e0d5dJens Axboe }, 16976a43db448f9fd5e9f1397428a433466d98e0d5dJens Axboe { 17076a43db448f9fd5e9f1397428a433466d98e0d5dJens Axboe .name = "buffered", 17176a43db448f9fd5e9f1397428a433466d98e0d5dJens Axboe .type = FIO_OPT_BOOL, 17276a43db448f9fd5e9f1397428a433466d98e0d5dJens Axboe .off1 = td_var_offset(odirect), 17376a43db448f9fd5e9f1397428a433466d98e0d5dJens Axboe .neg = 1, 17476a43db448f9fd5e9f1397428a433466d98e0d5dJens Axboe .help = "Use buffered IO (negates direct)", 17503b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "1", 17603b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 17703b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 17803b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "overwrite", 17903b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_BOOL, 18003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(overwrite), 18103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "When writing, set whether to overwrite current data", 18203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "0", 18303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 18403b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 18503b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "loops", 18603b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_INT, 18703b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(loops), 18803b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Number of times to run the job", 18903b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "1", 19003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 19103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 19203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "numjobs", 19303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_INT, 19403b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(numjobs), 19503b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Duplicate this job this many times", 19603b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "1", 19703b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 19803b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 19903b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "startdelay", 20003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_INT, 20103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(start_delay), 20203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Only start job when this period has passed", 20303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "0", 20403b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 20503b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 20603b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .name = "runtime", 20703b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .alias = "timeout", 20803b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .type = FIO_OPT_STR_VAL_TIME, 20903b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .off1 = td_var_offset(timeout), 21003b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .help = "Stop workload when this amount of time has passed", 21103b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe .def = "0", 21203b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe }, 21303b74b3ec5268e731ed7fcaef31c8c0655acd530Jens Axboe { 214e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "mem", 215e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR, 216e1f365035a952233463d85d659bd960ba78f012eJens Axboe .cb = str_mem_cb, 21715f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .help = "Backing type for IO buffers", 218ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "malloc", 21915f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .posval = { "malloc", "shm", "shmhuge", "mmap", "mmaphuge", }, 220e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 221e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 222e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "verify", 223e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR, 224e1f365035a952233463d85d659bd960ba78f012eJens Axboe .cb = str_verify_cb, 22515f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .help = "Verify sum function", 226ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "0", 22715f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .posval = { "crc32", "md5", }, 228e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 229e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 230e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "write_iolog", 231076efc7c60c351df783960a646e7fe8fba29dc19Jens Axboe .type = FIO_OPT_STR_STORE, 232076efc7c60c351df783960a646e7fe8fba29dc19Jens Axboe .off1 = td_var_offset(write_iolog_file), 233fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Store IO pattern to file", 234e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 235e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 236076efc7c60c351df783960a646e7fe8fba29dc19Jens Axboe .name = "read_iolog", 237e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_STORE, 238076efc7c60c351df783960a646e7fe8fba29dc19Jens Axboe .off1 = td_var_offset(read_iolog_file), 239fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Playback IO pattern from file", 240e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 241e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 242e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "exec_prerun", 243e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_STORE, 244e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(exec_prerun), 245fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Execute this file prior to running job", 246e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 247e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 248e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "exec_postrun", 249e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_STORE, 250e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(exec_postrun), 251fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Execute this file after running job", 252e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 253e1f365035a952233463d85d659bd960ba78f012eJens Axboe#ifdef FIO_HAVE_IOSCHED_SWITCH 254e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 255e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "ioscheduler", 256e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_STORE, 257e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(ioscheduler), 258fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Use this IO scheduler on the backing device", 259e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 260e1f365035a952233463d85d659bd960ba78f012eJens Axboe#endif 261e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 262e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "zonesize", 263e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_VAL, 264e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(zone_size), 265fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Give size of an IO zone", 266ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "0", 267e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 268e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 269e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "zoneskip", 270e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_VAL, 271e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(zone_skip), 272fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Space between IO zones", 273ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "0", 274e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 275e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 276e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "lockmem", 277e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_VAL, 278e1f365035a952233463d85d659bd960ba78f012eJens Axboe .cb = str_lockmem_cb, 279fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Lock down this amount of memory", 280ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "0", 281e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 282e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 283e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "rwmixcycle", 284e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 285e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(rwmixcycle), 286ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .help = "Cycle period for mixed read/write workloads (msec)", 287ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "500", 288e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 289e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 290e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "rwmixread", 291e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 292e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(rwmixread), 293ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .maxval = 100, 294fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Percentage of mixed workload that is reads", 295ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "50", 296e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 297e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 298e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "rwmixwrite", 299e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 300e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(rwmixwrite), 301ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .maxval = 100, 302fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Percentage of mixed workload that is writes", 303ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "50", 304e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 305e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 306e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "nice", 307e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 308e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(nice), 309fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Set job CPU nice value", 31015f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .minval = -19, 311ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .maxval = 20, 312ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "0", 313e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 314e1f365035a952233463d85d659bd960ba78f012eJens Axboe#ifdef FIO_HAVE_IOPRIO 315e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 316e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "prio", 317e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 318e1f365035a952233463d85d659bd960ba78f012eJens Axboe .cb = str_prio_cb, 319fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Set job IO priority value", 32015f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .minval = 0, 32115f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .maxval = 7, 322e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 323e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 324e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "prioclass", 325e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 326e1f365035a952233463d85d659bd960ba78f012eJens Axboe .cb = str_prioclass_cb, 327fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Set job IO priority class", 32815f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .minval = 0, 32915f7918ff432d5da2b2abc84a50c685bde5e72efJens Axboe .maxval = 3, 330e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 331e1f365035a952233463d85d659bd960ba78f012eJens Axboe#endif 332e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 333e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "thinktime", 334e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 3351304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(thinktime), 3365fa0f817d41211f45c04809dfe6c324f916fbcb4Jens Axboe .help = "Idle time between IO buffers (usec)", 337ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "0", 338e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 339e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 34048097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe .name = "thinktime_spin", 34148097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe .type = FIO_OPT_INT, 34248097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe .off1 = td_var_offset(thinktime_spin), 34348097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe .help = "Start thinktime by spinning this amount (usec)", 34448097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe .def = "0", 34548097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe }, 34648097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe { 3479c1f7434526606fc8a4296190a2dea5de2651266Jens Axboe .name = "thinktime_blocks", 3489c1f7434526606fc8a4296190a2dea5de2651266Jens Axboe .type = FIO_OPT_INT, 3491304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(thinktime_blocks), 350fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "IO buffer period between 'thinktime'", 351ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "1", 3529c1f7434526606fc8a4296190a2dea5de2651266Jens Axboe }, 3539c1f7434526606fc8a4296190a2dea5de2651266Jens Axboe { 354e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "rate", 355e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 3561304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(rate), 357fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Set bandwidth rate", 358e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 359e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 360e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "ratemin", 361e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 3621304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(ratemin), 363fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "The bottom limit accepted", 364e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 365e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 366e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "ratecycle", 367e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 3681304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(ratecycle), 3696da1fa7f0a8d7e588dc0ea40a5e175edded9a8acJens Axboe .help = "Window average for rate limits (msec)", 370ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "1000", 371e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 372e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 373e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "invalidate", 37413335ddb0e304efa0fc96593dd1fd995ec6f68d7Jens Axboe .type = FIO_OPT_BOOL, 3751304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(invalidate_cache), 376fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Invalidate buffer/page cache prior to running job", 377ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "1", 378e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 379e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 380e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "sync", 38113335ddb0e304efa0fc96593dd1fd995ec6f68d7Jens Axboe .type = FIO_OPT_BOOL, 3821304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(sync_io), 383fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Use O_SYNC for buffered writes", 384ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "0", 385e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 386e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 387e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "bwavgtime", 388e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 3891304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(bw_avg_time), 390ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .help = "Time window over which to calculate bandwidth (msec)", 391ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "500", 392e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 393e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 394e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "create_serialize", 39513335ddb0e304efa0fc96593dd1fd995ec6f68d7Jens Axboe .type = FIO_OPT_BOOL, 3961304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(create_serialize), 397fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Serialize creating of job files", 398ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "1", 399e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 400e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 401e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "create_fsync", 40213335ddb0e304efa0fc96593dd1fd995ec6f68d7Jens Axboe .type = FIO_OPT_BOOL, 4031304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(create_fsync), 404fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Fsync file after creation", 405ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "1", 406e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 407e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 408e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "cpuload", 409e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 4101304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(cpuload), 411fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Use this percentage of CPU", 412e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 413e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 414e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "cpuchunks", 415e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 4161304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(cpucycle), 417fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Length of the CPU burn cycles", 418e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 419e1f365035a952233463d85d659bd960ba78f012eJens Axboe#ifdef FIO_HAVE_CPU_AFFINITY 420e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 421e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "cpumask", 422e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_INT, 423e1f365035a952233463d85d659bd960ba78f012eJens Axboe .cb = str_cpumask_cb, 424fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "CPU affinity mask", 425e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 426e1f365035a952233463d85d659bd960ba78f012eJens Axboe#endif 427e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 428e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "end_fsync", 42913335ddb0e304efa0fc96593dd1fd995ec6f68d7Jens Axboe .type = FIO_OPT_BOOL, 4301304923a76e2e7f8c283240b3c6eb13ddd71db7aJens Axboe .off1 = td_var_offset(end_fsync), 431fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Include fsync at the end of job", 432ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = "0", 433e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 434e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 435e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "unlink", 43613335ddb0e304efa0fc96593dd1fd995ec6f68d7Jens Axboe .type = FIO_OPT_BOOL, 437e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(unlink), 438ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .help = "Unlink created files after job has completed", 439e545a6ce0f0f3e6881e997bf2af8969fc6dd7082Jens Axboe .def = "0", 440e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 441e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 442e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "exitall", 443e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_SET, 444e1f365035a952233463d85d659bd960ba78f012eJens Axboe .cb = str_exitall_cb, 445fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Terminate all jobs when one exits", 446e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 447e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 448e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "stonewall", 449e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_SET, 450e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(stonewall), 451fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Insert a hard barrier between this job and previous", 452e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 453e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 454e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "thread", 455e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_SET, 456d9bb3b809d80cc3226d1c603e87fc90b6680320bJens Axboe .off1 = td_var_offset(use_thread), 457fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Use threads instead of forks", 458e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 459e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 460e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "write_bw_log", 461e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_SET, 462e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(write_bw_log), 463fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Write log of bandwidth during run", 464e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 465e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 466e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = "write_lat_log", 467e1f365035a952233463d85d659bd960ba78f012eJens Axboe .type = FIO_OPT_STR_SET, 468e1f365035a952233463d85d659bd960ba78f012eJens Axboe .off1 = td_var_offset(write_lat_log), 469fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "Write log of latency during run", 470e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 471e1f365035a952233463d85d659bd960ba78f012eJens Axboe { 47256bb17f297c50b2832c845b0f6cdde5063748b34Jens Axboe .name = "hugepage-size", 47356bb17f297c50b2832c845b0f6cdde5063748b34Jens Axboe .type = FIO_OPT_STR_VAL, 47456bb17f297c50b2832c845b0f6cdde5063748b34Jens Axboe .off1 = td_var_offset(hugepage_size), 475fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .help = "When using hugepages, specify size of each page", 476ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe .def = __stringify(FIO_HUGE_PAGE), 47756bb17f297c50b2832c845b0f6cdde5063748b34Jens Axboe }, 47856bb17f297c50b2832c845b0f6cdde5063748b34Jens Axboe { 479e1f365035a952233463d85d659bd960ba78f012eJens Axboe .name = NULL, 480e1f365035a952233463d85d659bd960ba78f012eJens Axboe }, 481e1f365035a952233463d85d659bd960ba78f012eJens Axboe}; 482e1f365035a952233463d85d659bd960ba78f012eJens Axboe 483b46928282e0a890f49250e79b81af773a2b7108fJens Axboe#define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) 484b46928282e0a890f49250e79b81af773a2b7108fJens Axboe#define FIO_CMD_OPTS (16) 485b46928282e0a890f49250e79b81af773a2b7108fJens Axboe#define FIO_GETOPT_JOB (0x89988998) 486b46928282e0a890f49250e79b81af773a2b7108fJens Axboe 487b46928282e0a890f49250e79b81af773a2b7108fJens Axboe/* 488b46928282e0a890f49250e79b81af773a2b7108fJens Axboe * Command line options. These will contain the above, plus a few 489b46928282e0a890f49250e79b81af773a2b7108fJens Axboe * extra that only pertain to fio itself and not jobs. 490b46928282e0a890f49250e79b81af773a2b7108fJens Axboe */ 491b46928282e0a890f49250e79b81af773a2b7108fJens Axboestatic struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { 492b46928282e0a890f49250e79b81af773a2b7108fJens Axboe { 493b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .name = "output", 494b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .has_arg = required_argument, 495b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .val = 'o', 496b46928282e0a890f49250e79b81af773a2b7108fJens Axboe }, 497b46928282e0a890f49250e79b81af773a2b7108fJens Axboe { 498b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .name = "timeout", 499b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .has_arg = required_argument, 500b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .val = 't', 501b46928282e0a890f49250e79b81af773a2b7108fJens Axboe }, 502b46928282e0a890f49250e79b81af773a2b7108fJens Axboe { 503b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .name = "latency-log", 504b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .has_arg = required_argument, 505b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .val = 'l', 506b46928282e0a890f49250e79b81af773a2b7108fJens Axboe }, 507b46928282e0a890f49250e79b81af773a2b7108fJens Axboe { 508b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .name = "bandwidth-log", 509b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .has_arg = required_argument, 510b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .val = 'b', 511b46928282e0a890f49250e79b81af773a2b7108fJens Axboe }, 512b46928282e0a890f49250e79b81af773a2b7108fJens Axboe { 513b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .name = "minimal", 514b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .has_arg = optional_argument, 515b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .val = 'm', 516b46928282e0a890f49250e79b81af773a2b7108fJens Axboe }, 517b46928282e0a890f49250e79b81af773a2b7108fJens Axboe { 518b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .name = "version", 519b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .has_arg = no_argument, 520b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .val = 'v', 521b46928282e0a890f49250e79b81af773a2b7108fJens Axboe }, 522b46928282e0a890f49250e79b81af773a2b7108fJens Axboe { 523fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .name = "help", 524fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .has_arg = no_argument, 525fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .val = 'h', 526fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe }, 527fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe { 528fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .name = "cmdhelp", 529fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .has_arg = required_argument, 530fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe .val = 'c', 531fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe }, 532fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe { 533b46928282e0a890f49250e79b81af773a2b7108fJens Axboe .name = NULL, 534b46928282e0a890f49250e79b81af773a2b7108fJens Axboe }, 535b46928282e0a890f49250e79b81af773a2b7108fJens Axboe}; 536b46928282e0a890f49250e79b81af773a2b7108fJens Axboe 537ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboestatic int def_timeout = 0; 538972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe 5395cd033bbb08dbdd2241a0eac09ef34a59a5d8f52Jens Axboestatic char fio_version_string[] = "fio 1.11"; 540ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 541972cfd2546081c0397447ca9243ea419b1ff579aJens Axboestatic char **ini_file; 542ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboestatic int max_jobs = MAX_JOBS; 543ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 544ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboestruct thread_data def_thread; 545ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboestruct thread_data *threads = NULL; 546ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 547ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboeint exitall_on_terminate = 0; 548c6ae0a5b8123ea9af2ce70319081fbd5d65c8093Jens Axboeint terse_output = 0; 549c04f7ec3ecb8ce780bde6ad3515f003e6015c62aJens Axboeunsigned long long mlock_size = 0; 550eb8bbf48e79a8c6afd3c84e3d64263d10ee45daaJens AxboeFILE *f_out = NULL; 551eb8bbf48e79a8c6afd3c84e3d64263d10ee45daaJens AxboeFILE *f_err = NULL; 552ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 553ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboestatic int write_lat_log = 0; 554bb3884d855100fa8fa6a1d2aac79e867dfd47bf9Jens Axboeint write_bw_log = 0; 555ec94ec567cae47f91fa31a18250c2a7a0029d2adJens Axboe 556906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe/* 557906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe * Return a free job structure. 558906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe */ 559ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboestatic struct thread_data *get_new_job(int global, struct thread_data *parent) 560ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 561ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe struct thread_data *td; 562ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 563ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (global) 564ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return &def_thread; 565ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (thread_number >= max_jobs) 566ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return NULL; 567ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 568ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td = &threads[thread_number++]; 569ddaeaa5ab1e3f1cb6f35a9f4a18ee932151a0ab8Jens Axboe *td = *parent; 570ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 571ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->thread_number = thread_number; 572ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return td; 573ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 574ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 575ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboestatic void put_job(struct thread_data *td) 576ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 577549577a728fc3bacbfea8978c4f514cef5b073dcJens Axboe if (td == &def_thread) 578549577a728fc3bacbfea8978c4f514cef5b073dcJens Axboe return; 579549577a728fc3bacbfea8978c4f514cef5b073dcJens Axboe 58016edf25dba269ee9e8239130e75b690440b1e120Jens Axboe if (td->error) 58116edf25dba269ee9e8239130e75b690440b1e120Jens Axboe fprintf(f_out, "fio: %s\n", td->verror); 58216edf25dba269ee9e8239130e75b690440b1e120Jens Axboe 583ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe memset(&threads[td->thread_number - 1], 0, sizeof(*td)); 584ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe thread_number--; 585ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 586ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 587dad915e36819e74c4540db19faae488ede963ee4Jens Axboe/* 588dad915e36819e74c4540db19faae488ede963ee4Jens Axboe * Lazy way of fixing up options that depend on each other. We could also 589dad915e36819e74c4540db19faae488ede963ee4Jens Axboe * define option callback handlers, but this is easier. 590dad915e36819e74c4540db19faae488ede963ee4Jens Axboe */ 591e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic void fixup_options(struct thread_data *td) 592e1f365035a952233463d85d659bd960ba78f012eJens Axboe{ 593e1f365035a952233463d85d659bd960ba78f012eJens Axboe if (!td->rwmixread && td->rwmixwrite) 594e1f365035a952233463d85d659bd960ba78f012eJens Axboe td->rwmixread = 100 - td->rwmixwrite; 595dad915e36819e74c4540db19faae488ede963ee4Jens Axboe 596076efc7c60c351df783960a646e7fe8fba29dc19Jens Axboe if (td->write_iolog_file && td->read_iolog_file) { 597076efc7c60c351df783960a646e7fe8fba29dc19Jens Axboe log_err("fio: read iolog overrides write_iolog\n"); 598076efc7c60c351df783960a646e7fe8fba29dc19Jens Axboe free(td->write_iolog_file); 599076efc7c60c351df783960a646e7fe8fba29dc19Jens Axboe td->write_iolog_file = NULL; 600076efc7c60c351df783960a646e7fe8fba29dc19Jens Axboe } 60116b462aeb47996111ee6aa516c9226708db7c248Jens Axboe 60216b462aeb47996111ee6aa516c9226708db7c248Jens Axboe if (td->io_ops->flags & FIO_SYNCIO) 60316b462aeb47996111ee6aa516c9226708db7c248Jens Axboe td->iodepth = 1; 60416b462aeb47996111ee6aa516c9226708db7c248Jens Axboe else { 60516b462aeb47996111ee6aa516c9226708db7c248Jens Axboe if (!td->iodepth) 60616b462aeb47996111ee6aa516c9226708db7c248Jens Axboe td->iodepth = td->nr_files; 60716b462aeb47996111ee6aa516c9226708db7c248Jens Axboe } 60816b462aeb47996111ee6aa516c9226708db7c248Jens Axboe 60916b462aeb47996111ee6aa516c9226708db7c248Jens Axboe /* 61016b462aeb47996111ee6aa516c9226708db7c248Jens Axboe * only really works for sequential io for now, and with 1 file 61116b462aeb47996111ee6aa516c9226708db7c248Jens Axboe */ 61216b462aeb47996111ee6aa516c9226708db7c248Jens Axboe if (td->zone_size && !td->sequential && td->nr_files == 1) 61316b462aeb47996111ee6aa516c9226708db7c248Jens Axboe td->zone_size = 0; 61416b462aeb47996111ee6aa516c9226708db7c248Jens Axboe 61516b462aeb47996111ee6aa516c9226708db7c248Jens Axboe /* 61616b462aeb47996111ee6aa516c9226708db7c248Jens Axboe * Reads can do overwrites, we always need to pre-create the file 61716b462aeb47996111ee6aa516c9226708db7c248Jens Axboe */ 61816b462aeb47996111ee6aa516c9226708db7c248Jens Axboe if (td_read(td) || td_rw(td)) 61916b462aeb47996111ee6aa516c9226708db7c248Jens Axboe td->overwrite = 1; 62016b462aeb47996111ee6aa516c9226708db7c248Jens Axboe 621a00735e66f9ec42549da94eba3170e543b542904Jens Axboe if (!td->min_bs[DDIR_READ]) 622a00735e66f9ec42549da94eba3170e543b542904Jens Axboe td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; 623a00735e66f9ec42549da94eba3170e543b542904Jens Axboe if (!td->max_bs[DDIR_READ]) 624a00735e66f9ec42549da94eba3170e543b542904Jens Axboe td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; 625a00735e66f9ec42549da94eba3170e543b542904Jens Axboe if (!td->min_bs[DDIR_WRITE]) 62675e6f36fae06978f29296fce76a7f00ca0df7b56Jens Axboe td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; 627a00735e66f9ec42549da94eba3170e543b542904Jens Axboe if (!td->max_bs[DDIR_WRITE]) 62875e6f36fae06978f29296fce76a7f00ca0df7b56Jens Axboe td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; 629a00735e66f9ec42549da94eba3170e543b542904Jens Axboe 630a00735e66f9ec42549da94eba3170e543b542904Jens Axboe td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); 631a00735e66f9ec42549da94eba3170e543b542904Jens Axboe 63216b462aeb47996111ee6aa516c9226708db7c248Jens Axboe if (td_read(td) && !td_rw(td)) 63316b462aeb47996111ee6aa516c9226708db7c248Jens Axboe td->verify = 0; 634bb8895e07c6d6417410545f45d34b1b7916cd90aJens Axboe 635bb8895e07c6d6417410545f45d34b1b7916cd90aJens Axboe if (td->norandommap && td->verify != VERIFY_NONE) { 636bb8895e07c6d6417410545f45d34b1b7916cd90aJens Axboe log_err("fio: norandommap given, verify disabled\n"); 637bb8895e07c6d6417410545f45d34b1b7916cd90aJens Axboe td->verify = VERIFY_NONE; 638bb8895e07c6d6417410545f45d34b1b7916cd90aJens Axboe } 639690adba373bb8c97a365c67da369e265953c4b4cJens Axboe if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) 640690adba373bb8c97a365c67da369e265953c4b4cJens Axboe log_err("fio: bs_unaligned may not work with raw io\n"); 641e0a223354342cc45a916b669343718b80a20c2eaJens Axboe 642e0a223354342cc45a916b669343718b80a20c2eaJens Axboe /* 643e0a223354342cc45a916b669343718b80a20c2eaJens Axboe * O_DIRECT and char doesn't mix, clear that flag if necessary. 644e0a223354342cc45a916b669343718b80a20c2eaJens Axboe */ 645e0a223354342cc45a916b669343718b80a20c2eaJens Axboe if (td->filetype == FIO_TYPE_CHAR && td->odirect) 646e0a223354342cc45a916b669343718b80a20c2eaJens Axboe td->odirect = 0; 64748097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe 64848097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe /* 64948097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe * thinktime_spin must be less than thinktime 65048097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe */ 65148097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe if (td->thinktime_spin > td->thinktime) 65248097d5c61aa1718e6dd4b3b647ea2eb6f00fcfbJens Axboe td->thinktime_spin = td->thinktime; 653e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe 654e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe /* 655e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe * The low water mark cannot be bigger than the iodepth 656e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe */ 657e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe if (td->iodepth_low > td->iodepth || !td->iodepth_low) 658e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe td->iodepth_low = td->iodepth; 659e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe 660e916b390684ec1ca6247f98138fa9c1682701d29Jens Axboe printf("io depth %d/%d\n", td->iodepth_low, td->iodepth); 661e1f365035a952233463d85d659bd960ba78f012eJens Axboe} 662e1f365035a952233463d85d659bd960ba78f012eJens Axboe 663906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe/* 664f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe * This function leaks the buffer 665f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe */ 666f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboestatic char *to_kmg(unsigned int val) 667f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe{ 668f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe char *buf = malloc(32); 669f3502ba2dd72d846a388c774a01c6bb833871248Jens Axboe char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; 670f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe char *p = post; 671f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe 672245142ff7554290cf666e3ef6b7b57512bf17d75Jens Axboe do { 673f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe if (val & 1023) 674f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe break; 675f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe 676f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe val >>= 10; 677f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe p++; 678245142ff7554290cf666e3ef6b7b57512bf17d75Jens Axboe } while (*p); 679f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe 680f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe snprintf(buf, 31, "%u%c", val, *p); 681f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe return buf; 682f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe} 683f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe 684f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe/* 685906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe * Adds a job to the list of things todo. Sanitizes the various options 686906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe * to make sure we don't have conflicts, and initializes various 687906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe * members of td. 688906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe */ 689751548451d969148529b642c05e7544726ec3b64Jens Axboestatic int add_job(struct thread_data *td, const char *jobname, int job_add_num) 690ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 6913c9b60c1fb144950ca51220ffa18f485672c3ba6Jens Axboe const char *ddir_str[] = { "read", "write", "randread", "randwrite", 6923c9b60c1fb144950ca51220ffa18f485672c3ba6Jens Axboe "rw", NULL, "randrw" }; 693ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe struct stat sb; 69453cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe int numjobs, ddir, i; 69553cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe struct fio_file *f; 696ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 697ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe /* 698ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe * the def_thread is just for options, it's not a real job 699ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe */ 700ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (td == &def_thread) 701ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 702ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 703ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe assert(td->io_ops); 704df64119de537aba99c85d1dc80190b354589f8b9Jens Axboe 705690adba373bb8c97a365c67da369e265953c4b4cJens Axboe if (td->odirect) 706690adba373bb8c97a365c67da369e265953c4b4cJens Axboe td->io_ops->flags |= FIO_RAWIO; 707690adba373bb8c97a365c67da369e265953c4b4cJens Axboe 708ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->filetype = FIO_TYPE_FILE; 709890df538b3645d9310a3527513195773130d1d7fJens Axboe if (td->filename && !lstat(td->filename, &sb)) { 7100af7b542b69af5ab2400a9960a5bcde82c05723fJens Axboe if (S_ISBLK(sb.st_mode)) 7110af7b542b69af5ab2400a9960a5bcde82c05723fJens Axboe td->filetype = FIO_TYPE_BD; 7120af7b542b69af5ab2400a9960a5bcde82c05723fJens Axboe else if (S_ISCHR(sb.st_mode)) 7130af7b542b69af5ab2400a9960a5bcde82c05723fJens Axboe td->filetype = FIO_TYPE_CHAR; 7140af7b542b69af5ab2400a9960a5bcde82c05723fJens Axboe } 715ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 716e0a223354342cc45a916b669343718b80a20c2eaJens Axboe fixup_options(td); 717e0a223354342cc45a916b669343718b80a20c2eaJens Axboe 71813f8e2d2e3e5ec7d8c18b70fb2a2e2a026190020Jens Axboe if (td->filename) 71913f8e2d2e3e5ec7d8c18b70fb2a2e2a026190020Jens Axboe td->nr_uniq_files = 1; 72013f8e2d2e3e5ec7d8c18b70fb2a2e2a026190020Jens Axboe else 72113f8e2d2e3e5ec7d8c18b70fb2a2e2a026190020Jens Axboe td->nr_uniq_files = td->nr_files; 72213f8e2d2e3e5ec7d8c18b70fb2a2e2a026190020Jens Axboe 72313f8e2d2e3e5ec7d8c18b70fb2a2e2a026190020Jens Axboe if (td->filetype == FIO_TYPE_FILE || td->filename) { 724e9c047a0d8dfc32634b896e1600c6f1aa4174378Jens Axboe char tmp[PATH_MAX]; 72553cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe int len = 0; 726e9c047a0d8dfc32634b896e1600c6f1aa4174378Jens Axboe 72716edf25dba269ee9e8239130e75b690440b1e120Jens Axboe if (td->directory && td->directory[0] != '\0') { 72816edf25dba269ee9e8239130e75b690440b1e120Jens Axboe if (lstat(td->directory, &sb) < 0) { 72916edf25dba269ee9e8239130e75b690440b1e120Jens Axboe log_err("fio: %s is not a directory\n", td->directory); 73016edf25dba269ee9e8239130e75b690440b1e120Jens Axboe td_verror(td, errno); 73116edf25dba269ee9e8239130e75b690440b1e120Jens Axboe return 1; 73216edf25dba269ee9e8239130e75b690440b1e120Jens Axboe } 73316edf25dba269ee9e8239130e75b690440b1e120Jens Axboe if (!S_ISDIR(sb.st_mode)) { 73416edf25dba269ee9e8239130e75b690440b1e120Jens Axboe log_err("fio: %s is not a directory\n", td->directory); 73516edf25dba269ee9e8239130e75b690440b1e120Jens Axboe return 1; 73616edf25dba269ee9e8239130e75b690440b1e120Jens Axboe } 7378aeebd5570ac4fccbcdd48f2e6f1cf1577f3c08dJens Axboe len = sprintf(tmp, "%s/", td->directory); 73816edf25dba269ee9e8239130e75b690440b1e120Jens Axboe } 739ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 74053cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe td->files = malloc(sizeof(struct fio_file) * td->nr_files); 74153cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe 74253cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe for_each_file(td, f, i) { 74353cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe memset(f, 0, sizeof(*f)); 74453cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe f->fd = -1; 74553cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe 74613f8e2d2e3e5ec7d8c18b70fb2a2e2a026190020Jens Axboe if (td->filename) 74713f8e2d2e3e5ec7d8c18b70fb2a2e2a026190020Jens Axboe sprintf(tmp + len, "%s", td->filename); 74813f8e2d2e3e5ec7d8c18b70fb2a2e2a026190020Jens Axboe else 74913f8e2d2e3e5ec7d8c18b70fb2a2e2a026190020Jens Axboe sprintf(tmp + len, "%s.%d.%d", jobname, td->thread_number, i); 75053cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe f->file_name = strdup(tmp); 75153cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe } 75253cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe } else { 75353cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe td->nr_files = 1; 75453cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe td->files = malloc(sizeof(struct fio_file)); 75553cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe f = &td->files[0]; 75653cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe 75753cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe memset(f, 0, sizeof(*f)); 75853cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe f->fd = -1; 75953cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe f->file_name = strdup(jobname); 76053cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe } 76153cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe 76253cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe for_each_file(td, f, i) { 76353cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe f->file_size = td->total_file_size / td->nr_files; 76453cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe f->file_offset = td->start_offset; 76553cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe } 76653cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe 767bbfd6b00dea4daee05133c8cb991b78d091df9aeJens Axboe fio_sem_init(&td->mutex, 0); 768ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 769079ad09b1ef22fa0d47c2cd2673908c5619aa41aJens Axboe td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; 770079ad09b1ef22fa0d47c2cd2673908c5619aa41aJens Axboe td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; 771079ad09b1ef22fa0d47c2cd2673908c5619aa41aJens Axboe td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; 772ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 773ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (td->stonewall && td->thread_number > 1) 774ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe groupid++; 775ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 776ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->groupid = groupid; 777ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 778ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (setup_rate(td)) 779ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe goto err; 780ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 781ec94ec567cae47f91fa31a18250c2a7a0029d2adJens Axboe if (td->write_lat_log) { 782079ad09b1ef22fa0d47c2cd2673908c5619aa41aJens Axboe setup_log(&td->ts.slat_log); 783079ad09b1ef22fa0d47c2cd2673908c5619aa41aJens Axboe setup_log(&td->ts.clat_log); 784ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 785ec94ec567cae47f91fa31a18250c2a7a0029d2adJens Axboe if (td->write_bw_log) 786079ad09b1ef22fa0d47c2cd2673908c5619aa41aJens Axboe setup_log(&td->ts.bw_log); 787ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 788b46928282e0a890f49250e79b81af773a2b7108fJens Axboe if (!td->name) 789b46928282e0a890f49250e79b81af773a2b7108fJens Axboe td->name = strdup(jobname); 79001452055af61d6f5de543575dba3ebb0c9e55fabJens Axboe 7913d60d1ed78b663659967e04cc92e1359bd50fb3aJens Axboe ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); 792751548451d969148529b642c05e7544726ec3b64Jens Axboe 793c6ae0a5b8123ea9af2ce70319081fbd5d65c8093Jens Axboe if (!terse_output) { 794b990b5c06801d6d25e3fcc5415efbbe7bb23341eJens Axboe if (!job_add_num) { 7952866c82d598e30604d8a92723c664ee6ced90fb0Jens Axboe if (td->io_ops->flags & FIO_CPUIO) 796b990b5c06801d6d25e3fcc5415efbbe7bb23341eJens Axboe fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); 797f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe else { 798f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe char *c1, *c2, *c3, *c4; 799f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe 800f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe c1 = to_kmg(td->min_bs[DDIR_READ]); 801f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe c2 = to_kmg(td->max_bs[DDIR_READ]); 802f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe c3 = to_kmg(td->min_bs[DDIR_WRITE]); 803f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe c4 = to_kmg(td->max_bs[DDIR_WRITE]); 804f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe 805d56cbab065c01e1a177bc1b8d85a8f5d78df1548Jens Axboe fprintf(f_out, "%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->name, td->groupid, ddir_str[ddir], c1, c2, c3, c4, td->io_ops->name, td->iodepth); 806f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe 807f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe free(c1); 808f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe free(c2); 809f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe free(c3); 810f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe free(c4); 811f8977ee606bc51138a77f6a1b653df00faa77742Jens Axboe } 812b990b5c06801d6d25e3fcc5415efbbe7bb23341eJens Axboe } else if (job_add_num == 1) 813c6ae0a5b8123ea9af2ce70319081fbd5d65c8093Jens Axboe fprintf(f_out, "...\n"); 814c6ae0a5b8123ea9af2ce70319081fbd5d65c8093Jens Axboe } 815ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 816ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe /* 817ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe * recurse add identical jobs, clear numjobs and stonewall options 818ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe * as they don't apply to sub-jobs 819ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe */ 820ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe numjobs = td->numjobs; 821ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe while (--numjobs) { 822ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe struct thread_data *td_new = get_new_job(0, td); 823ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 824ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (!td_new) 825ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe goto err; 826ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 827ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td_new->numjobs = 1; 828ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td_new->stonewall = 0; 829751548451d969148529b642c05e7544726ec3b64Jens Axboe job_add_num = numjobs - 1; 830ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 831751548451d969148529b642c05e7544726ec3b64Jens Axboe if (add_job(td_new, jobname, job_add_num)) 832ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe goto err; 833ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 834ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 835ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboeerr: 836ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe put_job(td); 837ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return -1; 838ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 839ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 840906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe/* 841906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe * Initialize the various random states we need (random io, block size ranges, 842906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe * read/write mix, etc). 843906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe */ 844ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboeint init_random_state(struct thread_data *td) 845ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 846a6ccc7be771650f903ea77ace2a1af593622c0f4Jens Axboe unsigned long seeds[4]; 84753cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe int fd, num_maps, blocks, i; 8480ab8db8943acc6b9ea778735563bfad2a79e8dddJens Axboe struct fio_file *f; 849ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 850f48b467cba78af0843c7320caf841e2bee72fb1eJens Axboe if (td->io_ops->flags & FIO_CPUIO) 851f48b467cba78af0843c7320caf841e2bee72fb1eJens Axboe return 0; 852f48b467cba78af0843c7320caf841e2bee72fb1eJens Axboe 8531ac267bb7dd678fa12bb3573c29cff5238ef9ccfJens Axboe fd = open("/dev/urandom", O_RDONLY); 854ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (fd == -1) { 855ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td_verror(td, errno); 856ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 857ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 858ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 859a6ccc7be771650f903ea77ace2a1af593622c0f4Jens Axboe if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { 860ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td_verror(td, EIO); 861ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe close(fd); 862ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 863ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 864ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 865ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe close(fd); 866ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 8676dfd46b99af38cc1e5f702f53c59212129fe615eJens Axboe os_random_seed(seeds[0], &td->bsrange_state); 8686dfd46b99af38cc1e5f702f53c59212129fe615eJens Axboe os_random_seed(seeds[1], &td->verify_state); 8696dfd46b99af38cc1e5f702f53c59212129fe615eJens Axboe os_random_seed(seeds[2], &td->rwmix_state); 870ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 871ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (td->sequential) 872ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 873ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 8749ebc27e1352b905fe3396ce2350a7765fe9c57b8Jens Axboe if (td->rand_repeatable) 8752f073b09812255edca0f5854d36720418db88912Jens Axboe seeds[3] = FIO_RANDSEED * td->thread_number; 876ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 877bb8895e07c6d6417410545f45d34b1b7916cd90aJens Axboe if (!td->norandommap) { 878bb8895e07c6d6417410545f45d34b1b7916cd90aJens Axboe for_each_file(td, f, i) { 879a4a81712f0bd76cbde8898c0b87faedbaa1d2da1Jens Axboe blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; 880c7c280ed2e4f836bd8e9e125d55d097539b70e21Jens Axboe num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; 881bb8895e07c6d6417410545f45d34b1b7916cd90aJens Axboe f->file_map = malloc(num_maps * sizeof(long)); 882bb8895e07c6d6417410545f45d34b1b7916cd90aJens Axboe f->num_maps = num_maps; 883bb8895e07c6d6417410545f45d34b1b7916cd90aJens Axboe memset(f->file_map, 0, num_maps * sizeof(long)); 884bb8895e07c6d6417410545f45d34b1b7916cd90aJens Axboe } 88553cdc6864f7471b28cc9b40a5314ab43e5b1cb5eJens Axboe } 886ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 8876dfd46b99af38cc1e5f702f53c59212129fe615eJens Axboe os_random_seed(seeds[3], &td->random_state); 888ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 889ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 890ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 891ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboestatic void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) 892ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 893ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#ifdef FIO_HAVE_CPU_AFFINITY 894ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe unsigned int i; 895ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 896ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe CPU_ZERO(&cpumask); 897ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 898ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe for (i = 0; i < sizeof(int) * 8; i++) { 899ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if ((1 << i) & cpu) 900ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe CPU_SET(i, &cpumask); 901ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 902ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#endif 903ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 904ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 905ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboestatic int is_empty_or_comment(char *line) 906ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 907ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe unsigned int i; 908ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 909ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe for (i = 0; i < strlen(line); i++) { 910ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (line[i] == ';') 911ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 9125cc2da300b3fc30e00b79b4ddb3f372df3b2fe93Ingo Molnar if (line[i] == '#') 9135cc2da300b3fc30e00b79b4ddb3f372df3b2fe93Ingo Molnar return 1; 914ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (!isspace(line[i]) && !iscntrl(line[i])) 915ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 916ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 917ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 918ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 919ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 920ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 921b46928282e0a890f49250e79b81af773a2b7108fJens Axboestatic int str_rw_cb(void *data, const char *mem) 922ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 923cb2c86fdf03241fee32fd2e2caff43af1022403cJens Axboe struct thread_data *td = data; 924cb2c86fdf03241fee32fd2e2caff43af1022403cJens Axboe 925ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { 926ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->ddir = DDIR_READ; 927ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->sequential = 1; 928ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 929ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } else if (!strncmp(mem, "randread", 8)) { 930ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->ddir = DDIR_READ; 931ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->sequential = 0; 932ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 933ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { 934ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->ddir = DDIR_WRITE; 935ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->sequential = 1; 936ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 937ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } else if (!strncmp(mem, "randwrite", 9)) { 938ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->ddir = DDIR_WRITE; 939ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->sequential = 0; 940ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 9413d60d1ed78b663659967e04cc92e1359bd50fb3aJens Axboe } else if (!strncmp(mem, "rw", 2)) { 9421e97cce9f5a87a67293a05ec4533ed6968698b2eJens Axboe td->ddir = DDIR_READ; 9433d60d1ed78b663659967e04cc92e1359bd50fb3aJens Axboe td->iomix = 1; 9443d60d1ed78b663659967e04cc92e1359bd50fb3aJens Axboe td->sequential = 1; 9453d60d1ed78b663659967e04cc92e1359bd50fb3aJens Axboe return 0; 9463d60d1ed78b663659967e04cc92e1359bd50fb3aJens Axboe } else if (!strncmp(mem, "randrw", 6)) { 9471e97cce9f5a87a67293a05ec4533ed6968698b2eJens Axboe td->ddir = DDIR_READ; 9483d60d1ed78b663659967e04cc92e1359bd50fb3aJens Axboe td->iomix = 1; 9493d60d1ed78b663659967e04cc92e1359bd50fb3aJens Axboe td->sequential = 0; 9503d60d1ed78b663659967e04cc92e1359bd50fb3aJens Axboe return 0; 951ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 952ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 9533b70d7e51e0b672a8b337c57c8faf865c0b7f415Jens Axboe log_err("fio: data direction: read, write, randread, randwrite, rw, randrw\n"); 954ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 955ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 956ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 957b46928282e0a890f49250e79b81af773a2b7108fJens Axboestatic int str_verify_cb(void *data, const char *mem) 958ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 959cb2c86fdf03241fee32fd2e2caff43af1022403cJens Axboe struct thread_data *td = data; 960cb2c86fdf03241fee32fd2e2caff43af1022403cJens Axboe 961ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (!strncmp(mem, "0", 1)) { 962ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->verify = VERIFY_NONE; 963ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 964ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { 965ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->verify = VERIFY_MD5; 966ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 967ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } else if (!strncmp(mem, "crc32", 5)) { 968ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->verify = VERIFY_CRC32; 969ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 970ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 971ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 9723b70d7e51e0b672a8b337c57c8faf865c0b7f415Jens Axboe log_err("fio: verify types: md5, crc32\n"); 973ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 974ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 975ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 976313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe/* 977313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. 978313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe */ 979313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboestatic char *get_mmap_file(const char *str) 980313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe{ 981313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe char *p = strstr(str, ":"); 982313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe 983313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe if (!p) 984313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe return NULL; 985313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe 986313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe p++; 987313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe strip_blank_front(&p); 988313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe strip_blank_end(p); 989313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe return strdup(p); 990313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe} 991313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe 992b46928282e0a890f49250e79b81af773a2b7108fJens Axboestatic int str_mem_cb(void *data, const char *mem) 993ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 994cb2c86fdf03241fee32fd2e2caff43af1022403cJens Axboe struct thread_data *td = data; 995cb2c86fdf03241fee32fd2e2caff43af1022403cJens Axboe 996ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (!strncmp(mem, "malloc", 6)) { 997ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->mem_type = MEM_MALLOC; 998ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 999d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe } else if (!strncmp(mem, "mmaphuge", 8)) { 1000d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe#ifdef FIO_HAVE_HUGETLB 1001d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe /* 1002d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe * mmaphuge must be appended with the actual file 1003d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe */ 1004313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe td->mmapfile = get_mmap_file(mem); 1005313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe if (!td->mmapfile) { 1006d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe log_err("fio: mmaphuge:/path/to/file\n"); 1007d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe return 1; 1008d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe } 1009d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe 1010d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe td->mem_type = MEM_MMAPHUGE; 1011d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe return 0; 1012d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe#else 1013d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe log_err("fio: mmaphuge not available\n"); 1014d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe return 1; 1015d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe#endif 1016ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } else if (!strncmp(mem, "mmap", 4)) { 1017313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe /* 1018313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe * Check if the user wants file backed memory. It's ok 1019313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe * if there's no file given, we'll just use anon mamp then. 1020313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe */ 1021313cb206ffc6e50c089314d322ebf1c523f37531Jens Axboe td->mmapfile = get_mmap_file(mem); 1022ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td->mem_type = MEM_MMAP; 1023ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 102474b025b071b5bfbffa7ad7682b66b749e8d1f955Jens Axboe } else if (!strncmp(mem, "shmhuge", 7)) { 102574b025b071b5bfbffa7ad7682b66b749e8d1f955Jens Axboe#ifdef FIO_HAVE_HUGETLB 102674b025b071b5bfbffa7ad7682b66b749e8d1f955Jens Axboe td->mem_type = MEM_SHMHUGE; 102774b025b071b5bfbffa7ad7682b66b749e8d1f955Jens Axboe return 0; 102874b025b071b5bfbffa7ad7682b66b749e8d1f955Jens Axboe#else 102974b025b071b5bfbffa7ad7682b66b749e8d1f955Jens Axboe log_err("fio: shmhuge not available\n"); 103074b025b071b5bfbffa7ad7682b66b749e8d1f955Jens Axboe return 1; 103174b025b071b5bfbffa7ad7682b66b749e8d1f955Jens Axboe#endif 10320268b8ba7b2c79c669323cb1fcc0b045b84313f1Jens Axboe } else if (!strncmp(mem, "shm", 3)) { 10330268b8ba7b2c79c669323cb1fcc0b045b84313f1Jens Axboe td->mem_type = MEM_SHM; 10340268b8ba7b2c79c669323cb1fcc0b045b84313f1Jens Axboe return 0; 1035ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 1036ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1037d0bdaf49eb3f4faa941d02274f2bd875a187e7d7Jens Axboe log_err("fio: mem type: malloc, shm, shmhuge, mmap, mmaphuge\n"); 1038ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 1039ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 1040ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1041b46928282e0a890f49250e79b81af773a2b7108fJens Axboestatic int str_ioengine_cb(void *data, const char *str) 1042ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 1043cb2c86fdf03241fee32fd2e2caff43af1022403cJens Axboe struct thread_data *td = data; 1044cb2c86fdf03241fee32fd2e2caff43af1022403cJens Axboe 10452866c82d598e30604d8a92723c664ee6ced90fb0Jens Axboe td->io_ops = load_ioengine(td, str); 10462866c82d598e30604d8a92723c664ee6ced90fb0Jens Axboe if (td->io_ops) 1047b990b5c06801d6d25e3fcc5415efbbe7bb23341eJens Axboe return 0; 1048ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 104908aae9a0d5f3d24152abd7515984439bbfd3c05dJens Axboe log_err("fio: ioengine= libaio, posixaio, sync, mmap, sgio, splice, cpu, null\n"); 10505f350952eff89948bfbf1eb6ac4d3d08a9109581Jens Axboe log_err("fio: or specify path to dynamic ioengine module\n"); 1051ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 1052ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 1053ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1054e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic int str_lockmem_cb(void fio_unused *data, unsigned long *val) 1055e1f365035a952233463d85d659bd960ba78f012eJens Axboe{ 1056e1f365035a952233463d85d659bd960ba78f012eJens Axboe mlock_size = *val; 1057e1f365035a952233463d85d659bd960ba78f012eJens Axboe return 0; 1058e1f365035a952233463d85d659bd960ba78f012eJens Axboe} 1059e1f365035a952233463d85d659bd960ba78f012eJens Axboe 106034cfcdafa994a0a75120e498c51eda08bde5df72Jens Axboe#ifdef FIO_HAVE_IOPRIO 1061e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic int str_prioclass_cb(void *data, unsigned int *val) 1062e1f365035a952233463d85d659bd960ba78f012eJens Axboe{ 1063e1f365035a952233463d85d659bd960ba78f012eJens Axboe struct thread_data *td = data; 1064e1f365035a952233463d85d659bd960ba78f012eJens Axboe 1065e1f365035a952233463d85d659bd960ba78f012eJens Axboe td->ioprio |= *val << IOPRIO_CLASS_SHIFT; 1066e1f365035a952233463d85d659bd960ba78f012eJens Axboe return 0; 1067e1f365035a952233463d85d659bd960ba78f012eJens Axboe} 1068e1f365035a952233463d85d659bd960ba78f012eJens Axboe 1069e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic int str_prio_cb(void *data, unsigned int *val) 1070e1f365035a952233463d85d659bd960ba78f012eJens Axboe{ 1071e1f365035a952233463d85d659bd960ba78f012eJens Axboe struct thread_data *td = data; 1072e1f365035a952233463d85d659bd960ba78f012eJens Axboe 1073e1f365035a952233463d85d659bd960ba78f012eJens Axboe td->ioprio |= *val; 1074e1f365035a952233463d85d659bd960ba78f012eJens Axboe return 0; 1075e1f365035a952233463d85d659bd960ba78f012eJens Axboe} 107634cfcdafa994a0a75120e498c51eda08bde5df72Jens Axboe#endif 1077e1f365035a952233463d85d659bd960ba78f012eJens Axboe 1078e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic int str_exitall_cb(void) 1079e1f365035a952233463d85d659bd960ba78f012eJens Axboe{ 1080e1f365035a952233463d85d659bd960ba78f012eJens Axboe exitall_on_terminate = 1; 1081e1f365035a952233463d85d659bd960ba78f012eJens Axboe return 0; 1082e1f365035a952233463d85d659bd960ba78f012eJens Axboe} 1083e1f365035a952233463d85d659bd960ba78f012eJens Axboe 1084e1f365035a952233463d85d659bd960ba78f012eJens Axboestatic int str_cpumask_cb(void *data, unsigned int *val) 1085e1f365035a952233463d85d659bd960ba78f012eJens Axboe{ 1086e1f365035a952233463d85d659bd960ba78f012eJens Axboe struct thread_data *td = data; 1087e1f365035a952233463d85d659bd960ba78f012eJens Axboe 1088e1f365035a952233463d85d659bd960ba78f012eJens Axboe fill_cpu_mask(td->cpumask, *val); 1089e1f365035a952233463d85d659bd960ba78f012eJens Axboe return 0; 1090e1f365035a952233463d85d659bd960ba78f012eJens Axboe} 1091e1f365035a952233463d85d659bd960ba78f012eJens Axboe 1092072619835aa805f3335dca9d72f4d4eb1009aecdJens Axboe/* 1093072619835aa805f3335dca9d72f4d4eb1009aecdJens Axboe * This is our [ini] type file parser. 1094072619835aa805f3335dca9d72f4d4eb1009aecdJens Axboe */ 10951e97cce9f5a87a67293a05ec4533ed6968698b2eJens Axboestatic int parse_jobs_ini(char *file, int stonewall_flag) 1096ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 1097e1f365035a952233463d85d659bd960ba78f012eJens Axboe unsigned int global; 1098ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe struct thread_data *td; 1099fee3bb48f748afe5cf10f8505e1efd36b87c627eJens Axboe char *string, *name; 1100ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe fpos_t off; 1101ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe FILE *f; 1102ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe char *p; 11030c7e37a04aa04ba22e812f8de7971fcef46b8191Jens Axboe int ret = 0, stonewall; 1104ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1105ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe f = fopen(file, "r"); 1106ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (!f) { 1107aea47d444b02bd7c622f82bb73151fd7136a499fJens Axboe perror("fopen job file"); 1108ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 1109ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 1110ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1111ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe string = malloc(4096); 1112ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe name = malloc(256); 1113fee3bb48f748afe5cf10f8505e1efd36b87c627eJens Axboe memset(name, 0, 256); 1114ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 11150c7e37a04aa04ba22e812f8de7971fcef46b8191Jens Axboe stonewall = stonewall_flag; 11167c124ac153eebf48bc85f9033ae06fd7152e4216Jens Axboe do { 11177c124ac153eebf48bc85f9033ae06fd7152e4216Jens Axboe p = fgets(string, 4095, f); 11187c124ac153eebf48bc85f9033ae06fd7152e4216Jens Axboe if (!p) 111945410acb636e526575d62a037f81ade7916b738cJens Axboe break; 1120ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (is_empty_or_comment(p)) 1121ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe continue; 1122fee3bb48f748afe5cf10f8505e1efd36b87c627eJens Axboe if (sscanf(p, "[%255s]", name) != 1) 1123ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe continue; 1124ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1125ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe global = !strncmp(name, "global", 6); 1126ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1127ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe name[strlen(name) - 1] = '\0'; 1128ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1129ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe td = get_new_job(global, &def_thread); 113045410acb636e526575d62a037f81ade7916b738cJens Axboe if (!td) { 113145410acb636e526575d62a037f81ade7916b738cJens Axboe ret = 1; 113245410acb636e526575d62a037f81ade7916b738cJens Axboe break; 113345410acb636e526575d62a037f81ade7916b738cJens Axboe } 1134ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1135972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe /* 1136972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe * Seperate multiple job files by a stonewall 1137972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe */ 1138f94819192600fe35d03ebed26a803abdc2b9864cJens Axboe if (!global && stonewall) { 1139972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe td->stonewall = stonewall; 1140972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe stonewall = 0; 1141972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe } 1142972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe 1143ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe fgetpos(f, &off); 1144ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe while ((p = fgets(string, 4096, f)) != NULL) { 1145ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (is_empty_or_comment(p)) 1146ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe continue; 1147e1f365035a952233463d85d659bd960ba78f012eJens Axboe 1148b6754f9d3f719627d8aae4c3e8f39212d9405f99Jens Axboe strip_blank_front(&p); 11497c124ac153eebf48bc85f9033ae06fd7152e4216Jens Axboe 11507c124ac153eebf48bc85f9033ae06fd7152e4216Jens Axboe if (p[0] == '[') 11517c124ac153eebf48bc85f9033ae06fd7152e4216Jens Axboe break; 11527c124ac153eebf48bc85f9033ae06fd7152e4216Jens Axboe 11534ae3f76333bf2382e516db0b5c202b8982b1170fJens Axboe strip_blank_end(p); 1154aea47d444b02bd7c622f82bb73151fd7136a499fJens Axboe 1155e1f365035a952233463d85d659bd960ba78f012eJens Axboe fgetpos(f, &off); 1156ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 115745410acb636e526575d62a037f81ade7916b738cJens Axboe /* 115845410acb636e526575d62a037f81ade7916b738cJens Axboe * Don't break here, continue parsing options so we 115945410acb636e526575d62a037f81ade7916b738cJens Axboe * dump all the bad ones. Makes trial/error fixups 116045410acb636e526575d62a037f81ade7916b738cJens Axboe * easier on the user. 116145410acb636e526575d62a037f81ade7916b738cJens Axboe */ 11627c124ac153eebf48bc85f9033ae06fd7152e4216Jens Axboe ret |= parse_option(p, options, td); 1163ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 1164ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 116545410acb636e526575d62a037f81ade7916b738cJens Axboe if (!ret) { 116645410acb636e526575d62a037f81ade7916b738cJens Axboe fsetpos(f, &off); 116745410acb636e526575d62a037f81ade7916b738cJens Axboe ret = add_job(td, name, 0); 1168b1508cf9ead36dc789a4e289f7522a070e57058cJens Axboe } else { 1169b1508cf9ead36dc789a4e289f7522a070e57058cJens Axboe log_err("fio: job %s dropped\n", name); 1170b1508cf9ead36dc789a4e289f7522a070e57058cJens Axboe put_job(td); 117145410acb636e526575d62a037f81ade7916b738cJens Axboe } 11727c124ac153eebf48bc85f9033ae06fd7152e4216Jens Axboe } while (!ret); 1173ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1174ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe free(string); 1175ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe free(name); 1176ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe fclose(f); 117745410acb636e526575d62a037f81ade7916b738cJens Axboe return ret; 1178ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 1179ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1180ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboestatic int fill_def_thread(void) 1181ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 1182ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe memset(&def_thread, 0, sizeof(def_thread)); 1183ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1184ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { 1185ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe perror("sched_getaffinity"); 1186ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 1187ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 1188ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1189ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe /* 1190ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe * fill default options 1191ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe */ 1192ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe fill_default_options(&def_thread, options); 1193ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe 1194972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe def_thread.timeout = def_timeout; 1195ec94ec567cae47f91fa31a18250c2a7a0029d2adJens Axboe def_thread.write_bw_log = write_bw_log; 1196ec94ec567cae47f91fa31a18250c2a7a0029d2adJens Axboe def_thread.write_lat_log = write_lat_log; 1197ee738499877bb1ee913e839cb4a8d4edad2d52adJens Axboe 1198ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#ifdef FIO_HAVE_DISK_UTIL 1199ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe def_thread.do_disk_util = 1; 1200ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe#endif 1201ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1202ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 1203ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 1204ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 12050ab8db8943acc6b9ea778735563bfad2a79e8dddJens Axboestatic void usage(void) 12064785f99523f5c69635eb4bd826f25cd2e264cda7Jens Axboe{ 12074785f99523f5c69635eb4bd826f25cd2e264cda7Jens Axboe printf("%s\n", fio_version_string); 1208b46928282e0a890f49250e79b81af773a2b7108fJens Axboe printf("\t--output\tWrite output to file\n"); 1209b46928282e0a890f49250e79b81af773a2b7108fJens Axboe printf("\t--timeout\tRuntime in seconds\n"); 1210b46928282e0a890f49250e79b81af773a2b7108fJens Axboe printf("\t--latency-log\tGenerate per-job latency logs\n"); 1211b46928282e0a890f49250e79b81af773a2b7108fJens Axboe printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); 1212b46928282e0a890f49250e79b81af773a2b7108fJens Axboe printf("\t--minimal\tMinimal (terse) output\n"); 1213b46928282e0a890f49250e79b81af773a2b7108fJens Axboe printf("\t--version\tPrint version info and exit\n"); 1214fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe printf("\t--help\t\tPrint this page\n"); 1215fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); 12164785f99523f5c69635eb4bd826f25cd2e264cda7Jens Axboe} 12174785f99523f5c69635eb4bd826f25cd2e264cda7Jens Axboe 1218972cfd2546081c0397447ca9243ea419b1ff579aJens Axboestatic int parse_cmd_line(int argc, char *argv[]) 1219ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 1220b46928282e0a890f49250e79b81af773a2b7108fJens Axboe struct thread_data *td = NULL; 1221c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe int c, ini_idx = 0, lidx, ret; 1222ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1223b46928282e0a890f49250e79b81af773a2b7108fJens Axboe while ((c = getopt_long(argc, argv, "", long_options, &lidx)) != -1) { 1224ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe switch (c) { 1225b46928282e0a890f49250e79b81af773a2b7108fJens Axboe case 't': 1226b46928282e0a890f49250e79b81af773a2b7108fJens Axboe def_timeout = atoi(optarg); 1227b46928282e0a890f49250e79b81af773a2b7108fJens Axboe break; 1228b46928282e0a890f49250e79b81af773a2b7108fJens Axboe case 'l': 1229b46928282e0a890f49250e79b81af773a2b7108fJens Axboe write_lat_log = 1; 1230b46928282e0a890f49250e79b81af773a2b7108fJens Axboe break; 1231b46928282e0a890f49250e79b81af773a2b7108fJens Axboe case 'w': 1232b46928282e0a890f49250e79b81af773a2b7108fJens Axboe write_bw_log = 1; 1233b46928282e0a890f49250e79b81af773a2b7108fJens Axboe break; 1234b46928282e0a890f49250e79b81af773a2b7108fJens Axboe case 'o': 1235b46928282e0a890f49250e79b81af773a2b7108fJens Axboe f_out = fopen(optarg, "w+"); 1236b46928282e0a890f49250e79b81af773a2b7108fJens Axboe if (!f_out) { 1237b46928282e0a890f49250e79b81af773a2b7108fJens Axboe perror("fopen output"); 1238b46928282e0a890f49250e79b81af773a2b7108fJens Axboe exit(1); 1239b46928282e0a890f49250e79b81af773a2b7108fJens Axboe } 1240b46928282e0a890f49250e79b81af773a2b7108fJens Axboe f_err = f_out; 1241b46928282e0a890f49250e79b81af773a2b7108fJens Axboe break; 1242b46928282e0a890f49250e79b81af773a2b7108fJens Axboe case 'm': 1243b46928282e0a890f49250e79b81af773a2b7108fJens Axboe terse_output = 1; 1244b46928282e0a890f49250e79b81af773a2b7108fJens Axboe break; 1245b46928282e0a890f49250e79b81af773a2b7108fJens Axboe case 'h': 1246b46928282e0a890f49250e79b81af773a2b7108fJens Axboe usage(); 1247b46928282e0a890f49250e79b81af773a2b7108fJens Axboe exit(0); 1248fd28ca4948aa67b76585c6c23d7f70a2cdc7a0d5Jens Axboe case 'c': 124929fc6afe1bfcb97dd7f33d8e58b99b2d93237d47Jens Axboe ret = show_cmd_help(options, optarg); 125029fc6afe1bfcb97dd7f33d8e58b99b2d93237d47Jens Axboe exit(ret); 1251b46928282e0a890f49250e79b81af773a2b7108fJens Axboe case 'v': 1252b46928282e0a890f49250e79b81af773a2b7108fJens Axboe printf("%s\n", fio_version_string); 1253b46928282e0a890f49250e79b81af773a2b7108fJens Axboe exit(0); 1254b46928282e0a890f49250e79b81af773a2b7108fJens Axboe case FIO_GETOPT_JOB: { 1255b46928282e0a890f49250e79b81af773a2b7108fJens Axboe const char *opt = long_options[lidx].name; 1256b46928282e0a890f49250e79b81af773a2b7108fJens Axboe char *val = optarg; 1257b46928282e0a890f49250e79b81af773a2b7108fJens Axboe 1258c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe if (!strncmp(opt, "name", 4) && td) { 1259c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe ret = add_job(td, td->name ?: "fio", 0); 1260c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe if (ret) { 1261c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe put_job(td); 1262c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe return 0; 1263c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe } 1264c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe td = NULL; 1265c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe } 1266b46928282e0a890f49250e79b81af773a2b7108fJens Axboe if (!td) { 126738d0adb0d129e2eef7bf21e85ba4758c3789cb8eJens Axboe int global = !strncmp(val, "global", 6); 1268c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe 1269c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe td = get_new_job(global, &def_thread); 1270b46928282e0a890f49250e79b81af773a2b7108fJens Axboe if (!td) 1271b46928282e0a890f49250e79b81af773a2b7108fJens Axboe return 0; 1272b46928282e0a890f49250e79b81af773a2b7108fJens Axboe } 127338d0adb0d129e2eef7bf21e85ba4758c3789cb8eJens Axboe 1274b1508cf9ead36dc789a4e289f7522a070e57058cJens Axboe ret = parse_cmd_option(opt, val, options, td); 1275b1508cf9ead36dc789a4e289f7522a070e57058cJens Axboe if (ret) { 1276b1508cf9ead36dc789a4e289f7522a070e57058cJens Axboe log_err("fio: job dropped\n"); 1277b1508cf9ead36dc789a4e289f7522a070e57058cJens Axboe put_job(td); 1278b1508cf9ead36dc789a4e289f7522a070e57058cJens Axboe td = NULL; 1279b1508cf9ead36dc789a4e289f7522a070e57058cJens Axboe } 1280b46928282e0a890f49250e79b81af773a2b7108fJens Axboe break; 1281b46928282e0a890f49250e79b81af773a2b7108fJens Axboe } 1282b46928282e0a890f49250e79b81af773a2b7108fJens Axboe default: 1283b46928282e0a890f49250e79b81af773a2b7108fJens Axboe break; 1284ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 1285ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 1286c9fad893e8333682d6ab67a269b0dd74f303c5bcJens Axboe 1287b46928282e0a890f49250e79b81af773a2b7108fJens Axboe if (td) { 1288c2b1e753ca7abaca7f177cb1ca5087ca3971542bJens Axboe ret = add_job(td, td->name ?: "fio", 0); 1289b46928282e0a890f49250e79b81af773a2b7108fJens Axboe if (ret) 1290b46928282e0a890f49250e79b81af773a2b7108fJens Axboe put_job(td); 1291972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe } 1292774a617767830b5023f6cad4a45609a92ec82d41Jens Axboe 1293b46928282e0a890f49250e79b81af773a2b7108fJens Axboe while (optind < argc) { 1294b46928282e0a890f49250e79b81af773a2b7108fJens Axboe ini_idx++; 1295b46928282e0a890f49250e79b81af773a2b7108fJens Axboe ini_file = realloc(ini_file, ini_idx * sizeof(char *)); 1296b46928282e0a890f49250e79b81af773a2b7108fJens Axboe ini_file[ini_idx - 1] = strdup(argv[optind]); 1297b46928282e0a890f49250e79b81af773a2b7108fJens Axboe optind++; 1298eb8bbf48e79a8c6afd3c84e3d64263d10ee45daaJens Axboe } 1299972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe 1300972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe return ini_idx; 1301ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 1302ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1303ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboestatic void free_shm(void) 1304ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 1305ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe struct shmid_ds sbuf; 1306ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1307ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (threads) { 13082c0ecd28459b6a1b236c865defb5ef76ce8bfa02Jens Axboe shmdt((void *) threads); 1309ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe threads = NULL; 1310ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe shmctl(shm_id, IPC_RMID, &sbuf); 1311ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 1312ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 1313ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1314906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe/* 1315906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe * The thread area is shared between the main process and the job 1316906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe * threads/processes. So setup a shared memory segment that will hold 1317906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe * all the job info. 1318906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe */ 1319ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboestatic int setup_thread_area(void) 1320ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 1321ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe /* 1322ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe * 1024 is too much on some machines, scale max_jobs if 1323ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe * we get a failure that looks like too large a shm segment 1324ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe */ 1325ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe do { 1326906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe size_t size = max_jobs * sizeof(struct thread_data); 1327ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1328906c8d75eef9247c02d1f1f6771b6fa2338329faJens Axboe shm_id = shmget(0, size, IPC_CREAT | 0600); 1329ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (shm_id != -1) 1330ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe break; 1331ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (errno != EINVAL) { 1332ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe perror("shmget"); 1333ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe break; 1334ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 1335ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1336ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe max_jobs >>= 1; 1337ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } while (max_jobs); 1338ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1339ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (shm_id == -1) 1340ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 1341ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1342ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe threads = shmat(shm_id, NULL, 0); 1343ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (threads == (void *) -1) { 1344ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe perror("shmat"); 1345ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 1346ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe } 1347ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1348ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe atexit(free_shm); 1349ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 1350ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 1351ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1352b46928282e0a890f49250e79b81af773a2b7108fJens Axboe/* 1353b46928282e0a890f49250e79b81af773a2b7108fJens Axboe * Copy the fio options into the long options map, so we mirror 1354b46928282e0a890f49250e79b81af773a2b7108fJens Axboe * job and cmd line options. 1355b46928282e0a890f49250e79b81af773a2b7108fJens Axboe */ 1356b46928282e0a890f49250e79b81af773a2b7108fJens Axboestatic void dupe_job_options(void) 1357b46928282e0a890f49250e79b81af773a2b7108fJens Axboe{ 1358b46928282e0a890f49250e79b81af773a2b7108fJens Axboe struct fio_option *o; 1359b46928282e0a890f49250e79b81af773a2b7108fJens Axboe unsigned int i; 1360b46928282e0a890f49250e79b81af773a2b7108fJens Axboe 1361b46928282e0a890f49250e79b81af773a2b7108fJens Axboe i = 0; 1362b46928282e0a890f49250e79b81af773a2b7108fJens Axboe while (long_options[i].name) 1363b46928282e0a890f49250e79b81af773a2b7108fJens Axboe i++; 1364b46928282e0a890f49250e79b81af773a2b7108fJens Axboe 1365b46928282e0a890f49250e79b81af773a2b7108fJens Axboe o = &options[0]; 1366b46928282e0a890f49250e79b81af773a2b7108fJens Axboe while (o->name) { 1367b46928282e0a890f49250e79b81af773a2b7108fJens Axboe long_options[i].name = o->name; 1368b46928282e0a890f49250e79b81af773a2b7108fJens Axboe long_options[i].val = FIO_GETOPT_JOB; 1369b46928282e0a890f49250e79b81af773a2b7108fJens Axboe if (o->type == FIO_OPT_STR_SET) 1370b46928282e0a890f49250e79b81af773a2b7108fJens Axboe long_options[i].has_arg = no_argument; 1371b46928282e0a890f49250e79b81af773a2b7108fJens Axboe else 1372b46928282e0a890f49250e79b81af773a2b7108fJens Axboe long_options[i].has_arg = required_argument; 1373b46928282e0a890f49250e79b81af773a2b7108fJens Axboe 1374b46928282e0a890f49250e79b81af773a2b7108fJens Axboe i++; 1375b46928282e0a890f49250e79b81af773a2b7108fJens Axboe o++; 1376b46928282e0a890f49250e79b81af773a2b7108fJens Axboe assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); 1377b46928282e0a890f49250e79b81af773a2b7108fJens Axboe } 1378b46928282e0a890f49250e79b81af773a2b7108fJens Axboe} 1379b46928282e0a890f49250e79b81af773a2b7108fJens Axboe 1380ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboeint parse_options(int argc, char *argv[]) 1381ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe{ 1382972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe int job_files, i; 1383972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe 1384b46928282e0a890f49250e79b81af773a2b7108fJens Axboe f_out = stdout; 1385b46928282e0a890f49250e79b81af773a2b7108fJens Axboe f_err = stderr; 1386b46928282e0a890f49250e79b81af773a2b7108fJens Axboe 138713335ddb0e304efa0fc96593dd1fd995ec6f68d7Jens Axboe options_init(options); 138813335ddb0e304efa0fc96593dd1fd995ec6f68d7Jens Axboe 1389b46928282e0a890f49250e79b81af773a2b7108fJens Axboe dupe_job_options(); 1390b46928282e0a890f49250e79b81af773a2b7108fJens Axboe 1391ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (setup_thread_area()) 1392ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 1393ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe if (fill_def_thread()) 1394ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 1; 1395ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1396972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe job_files = parse_cmd_line(argc, argv); 1397ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 1398972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe for (i = 0; i < job_files; i++) { 1399972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe if (fill_def_thread()) 1400972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe return 1; 14010c7e37a04aa04ba22e812f8de7971fcef46b8191Jens Axboe if (parse_jobs_ini(ini_file[i], i)) 1402972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe return 1; 140388c6ed8085efd1403fd34072311991cb666a5b9eJens Axboe free(ini_file[i]); 1404972cfd2546081c0397447ca9243ea419b1ff579aJens Axboe } 1405ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe 140688c6ed8085efd1403fd34072311991cb666a5b9eJens Axboe free(ini_file); 1407b46928282e0a890f49250e79b81af773a2b7108fJens Axboe 1408b46928282e0a890f49250e79b81af773a2b7108fJens Axboe if (!thread_number) { 1409b46928282e0a890f49250e79b81af773a2b7108fJens Axboe log_err("No jobs defined(s)\n"); 1410b46928282e0a890f49250e79b81af773a2b7108fJens Axboe return 1; 1411b46928282e0a890f49250e79b81af773a2b7108fJens Axboe } 1412b46928282e0a890f49250e79b81af773a2b7108fJens Axboe 1413ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe return 0; 1414ebac4655dd3624f3296ff83be48e0cdc02852f1Jens Axboe} 1415