#define DEF_WRITE_LAT_LOG (0)
#define DEF_NO_RAND_MAP (0)
#define DEF_HUGEPAGE_SIZE FIO_HUGE_PAGE
+#define DEF_THINKTIME_BLOCKS (1)
#define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var)
.name = "name",
.type = FIO_OPT_STR_STORE,
.off1 = td_var_offset(name),
+ .help = "Name of this job",
},
{
.name = "directory",
.type = FIO_OPT_STR_STORE,
.off1 = td_var_offset(directory),
+ .help = "Directory to store files in",
},
{
.name = "filename",
.type = FIO_OPT_STR_STORE,
.off1 = td_var_offset(filename),
+ .help = "Force the use of a specific file",
},
{
.name = "rw",
.type = FIO_OPT_STR,
.cb = str_rw_cb,
+ .help = "IO direction (read, write, rw, etc)",
},
{
.name = "ioengine",
.type = FIO_OPT_STR,
.cb = str_ioengine_cb,
+ .help = "IO engine to use (sync, aio, etc)",
},
{
.name = "mem",
.type = FIO_OPT_STR,
.cb = str_mem_cb,
+ .help = "Backing type for IO buffers (malloc, shm, etc)",
},
{
.name = "verify",
.type = FIO_OPT_STR,
.cb = str_verify_cb,
+ .help = "Verify sum function (md5 or crc32)",
},
{
.name = "write_iolog",
.type = FIO_OPT_STR_STORE,
.off1 = td_var_offset(write_iolog_file),
+ .help = "Store IO pattern to file",
},
{
.name = "read_iolog",
.type = FIO_OPT_STR_STORE,
.off1 = td_var_offset(read_iolog_file),
+ .help = "Playback IO pattern from file",
},
{
.name = "exec_prerun",
.type = FIO_OPT_STR_STORE,
.off1 = td_var_offset(exec_prerun),
+ .help = "Execute this file prior to running job",
},
{
.name = "exec_postrun",
.type = FIO_OPT_STR_STORE,
.off1 = td_var_offset(exec_postrun),
+ .help = "Execute this file after running job",
},
#ifdef FIO_HAVE_IOSCHED_SWITCH
{
.name = "ioscheduler",
.type = FIO_OPT_STR_STORE,
.off1 = td_var_offset(ioscheduler),
+ .help = "Use this IO scheduler on the backing device",
},
#endif
{
.name = "size",
.type = FIO_OPT_STR_VAL,
.off1 = td_var_offset(total_file_size),
+ .help = "Size of device or file",
},
{
.name = "bs",
.type = FIO_OPT_STR_VAL_INT,
.off1 = td_var_offset(bs[DDIR_READ]),
.off2 = td_var_offset(bs[DDIR_WRITE]),
+ .help = "Block size unit",
},
{
.name = "offset",
.type = FIO_OPT_STR_VAL,
.off1 = td_var_offset(start_offset),
+ .help = "Start IO from this offset",
},
{
.name = "zonesize",
.type = FIO_OPT_STR_VAL,
.off1 = td_var_offset(zone_size),
+ .help = "Give size of an IO zone",
},
{
.name = "zoneskip",
.type = FIO_OPT_STR_VAL,
.off1 = td_var_offset(zone_skip),
+ .help = "Space between IO zones",
},
{
.name = "lockmem",
.type = FIO_OPT_STR_VAL,
.cb = str_lockmem_cb,
+ .help = "Lock down this amount of memory",
},
{
.name = "bsrange",
.off2 = td_var_offset(max_bs[DDIR_READ]),
.off3 = td_var_offset(min_bs[DDIR_WRITE]),
.off4 = td_var_offset(max_bs[DDIR_WRITE]),
+ .help = "Set block size range",
},
{
.name = "nrfiles",
.type = FIO_OPT_INT,
.off1 = td_var_offset(nr_files),
+ .help = "Split job workload between this number of files",
},
{
.name = "iodepth",
.type = FIO_OPT_INT,
.off1 = td_var_offset(iodepth),
+ .help = "Amount of IO buffers to keep in flight",
},
{
.name = "fsync",
.type = FIO_OPT_INT,
.off1 = td_var_offset(fsync_blocks),
+ .help = "Issue fsync for writes every given number of blocks",
},
{
.name = "rwmixcycle",
.type = FIO_OPT_INT,
.off1 = td_var_offset(rwmixcycle),
+ .help = "Cycle period for mixed read/write workloads",
},
{
.name = "rwmixread",
.type = FIO_OPT_INT,
.off1 = td_var_offset(rwmixread),
.max_val= 100,
+ .help = "Percentage of mixed workload that is reads",
},
{
.name = "rwmixwrite",
.type = FIO_OPT_INT,
.off1 = td_var_offset(rwmixwrite),
.max_val= 100,
+ .help = "Percentage of mixed workload that is writes",
},
{
.name = "nice",
.type = FIO_OPT_INT,
.off1 = td_var_offset(nice),
+ .help = "Set job CPU nice value",
},
#ifdef FIO_HAVE_IOPRIO
{
.name = "prio",
.type = FIO_OPT_INT,
.cb = str_prio_cb,
+ .help = "Set job IO priority value",
},
{
.name = "prioclass",
.type = FIO_OPT_INT,
.cb = str_prioclass_cb,
+ .help = "Set job IO priority class",
},
#endif
{
.name = "thinktime",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(thinktime)
+ .off1 = td_var_offset(thinktime),
+ .help = "Idle time between IO buffers",
+ },
+ {
+ .name = "thinktime_blocks",
+ .type = FIO_OPT_INT,
+ .off1 = td_var_offset(thinktime_blocks),
+ .help = "IO buffer period between 'thinktime'",
},
{
.name = "rate",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(rate)
+ .off1 = td_var_offset(rate),
+ .help = "Set bandwidth rate",
},
{
.name = "ratemin",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(ratemin)
+ .off1 = td_var_offset(ratemin),
+ .help = "The bottom limit accepted",
},
{
.name = "ratecycle",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(ratecycle)
+ .off1 = td_var_offset(ratecycle),
+ .name = "Window average for rate limits",
},
{
.name = "startdelay",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(start_delay)
+ .off1 = td_var_offset(start_delay),
+ .help = "Only start job when this period has passed",
},
{
.name = "timeout",
.type = FIO_OPT_STR_VAL_TIME,
- .off1 = td_var_offset(timeout)
+ .off1 = td_var_offset(timeout),
+ .help = "Stop workload when this amount of time has passed",
},
{
.name = "invalidate",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(invalidate_cache)
+ .off1 = td_var_offset(invalidate_cache),
+ .help = "Invalidate buffer/page cache prior to running job",
},
{
.name = "sync",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(sync_io)
+ .off1 = td_var_offset(sync_io),
+ .help = "Use O_SYNC for buffered writes",
},
{
.name = "bwavgtime",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(bw_avg_time)
+ .off1 = td_var_offset(bw_avg_time),
+ .help = "Time window over which to calculate bandwidth",
},
{
.name = "create_serialize",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(create_serialize)
+ .off1 = td_var_offset(create_serialize),
+ .help = "Serialize creating of job files",
},
{
.name = "create_fsync",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(create_fsync)
+ .off1 = td_var_offset(create_fsync),
+ .help = "Fsync file after creation",
},
{
.name = "loops",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(loops)
+ .off1 = td_var_offset(loops),
+ .help = "Number of times to run the job",
},
{
.name = "numjobs",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(numjobs)
+ .off1 = td_var_offset(numjobs),
+ .help = "Duplicate this job this many times",
},
{
.name = "cpuload",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(cpuload)
+ .off1 = td_var_offset(cpuload),
+ .help = "Use this percentage of CPU",
},
{
.name = "cpuchunks",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(cpucycle)
+ .off1 = td_var_offset(cpucycle),
+ .help = "Length of the CPU burn cycles",
},
{
.name = "direct",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(odirect)
+ .off1 = td_var_offset(odirect),
+ .help = "Use O_DIRECT IO",
},
{
.name = "overwrite",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(overwrite)
+ .off1 = td_var_offset(overwrite),
+ .help = "When writing, set whether to overwrite current data",
},
#ifdef FIO_HAVE_CPU_AFFINITY
{
.name = "cpumask",
.type = FIO_OPT_INT,
.cb = str_cpumask_cb,
+ .help = "CPU affinity mask",
},
#endif
{
.name = "end_fsync",
.type = FIO_OPT_INT,
- .off1 = td_var_offset(end_fsync)
+ .off1 = td_var_offset(end_fsync),
+ .help = "Include fsync at the end of job",
},
{
.name = "unlink",
- .type = FIO_OPT_STR_SET,
+ .type = FIO_OPT_INT,
.off1 = td_var_offset(unlink),
+ .help = "Unlink files after job has completed",
},
{
.name = "exitall",
.type = FIO_OPT_STR_SET,
.cb = str_exitall_cb,
+ .help = "Terminate all jobs when one exits",
},
{
.name = "stonewall",
.type = FIO_OPT_STR_SET,
.off1 = td_var_offset(stonewall),
+ .help = "Insert a hard barrier between this job and previous",
},
{
.name = "thread",
.type = FIO_OPT_STR_SET,
.off1 = td_var_offset(thread),
+ .help = "Use threads instead of forks",
},
{
.name = "write_bw_log",
.type = FIO_OPT_STR_SET,
.off1 = td_var_offset(write_bw_log),
+ .help = "Write log of bandwidth during run",
},
{
.name = "write_lat_log",
.type = FIO_OPT_STR_SET,
.off1 = td_var_offset(write_lat_log),
+ .help = "Write log of latency during run",
},
{
.name = "norandommap",
.type = FIO_OPT_STR_SET,
.off1 = td_var_offset(norandommap),
+ .help = "Accept potential duplicate random blocks",
},
{
.name = "bs_unaligned",
.type = FIO_OPT_STR_SET,
.off1 = td_var_offset(bs_unaligned),
+ .help = "Don't sector align IO buffer sizes",
},
{
.name = "hugepage-size",
.type = FIO_OPT_STR_VAL,
.off1 = td_var_offset(hugepage_size),
+ .help = "When using hugepages, specify size of each page",
},
{
.name = NULL,
.has_arg = no_argument,
.val = 'v',
},
+ {
+ .name = "help",
+ .has_arg = no_argument,
+ .val = 'h',
+ },
+ {
+ .name = "cmdhelp",
+ .has_arg = required_argument,
+ .val = 'c',
+ },
{
.name = NULL,
},
static int def_timeout = DEF_TIMEOUT;
-static char fio_version_string[] = "fio 1.9";
+static char fio_version_string[] = "fio 1.11";
static char **ini_file;
static int max_jobs = MAX_JOBS;
int len = 0;
if (td->directory && td->directory[0] != '\0')
- sprintf(tmp, "%s/", td->directory);
+ len = sprintf(tmp, "%s/", td->directory);
td->files = malloc(sizeof(struct fio_file) * td->nr_files);
def_thread.write_lat_log = write_lat_log;
def_thread.norandommap = DEF_NO_RAND_MAP;
def_thread.hugepage_size = DEF_HUGEPAGE_SIZE;
+ def_thread.thinktime_blocks = DEF_THINKTIME_BLOCKS;
#ifdef FIO_HAVE_DISK_UTIL
def_thread.do_disk_util = 1;
#endif
printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
printf("\t--minimal\tMinimal (terse) output\n");
printf("\t--version\tPrint version info and exit\n");
+ printf("\t--help\t\tPrint this page\n");
+ printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n");
}
static int parse_cmd_line(int argc, char *argv[])
case 'h':
usage();
exit(0);
+ case 'c':
+ show_cmd_help(options, optarg);
+ exit(0);
case 'v':
printf("%s\n", fio_version_string);
exit(0);
break;
}
default:
- printf("optarg <<%s>>\n", argv[optind]);
break;
}
}
projects / fio.git / blobdiff