+ .name = "steadystate",
+ .lname = "Steady state threshold",
+ .alias = "ss",
+ .type = FIO_OPT_STR,
+ .off1 = offsetof(struct thread_options, ss_state),
+ .cb = str_steadystate_cb,
+ .help = "Define the criterion and limit to judge when a job has reached steady state",
+ .def = "iops_slope:0.01%",
+ .posval = {
+ { .ival = "iops",
+ .oval = FIO_SS_IOPS,
+ .help = "maximum mean deviation of IOPS measurements",
+ },
+ { .ival = "iops_slope",
+ .oval = FIO_SS_IOPS_SLOPE,
+ .help = "slope calculated from IOPS measurements",
+ },
+ { .ival = "bw",
+ .oval = FIO_SS_BW,
+ .help = "maximum mean deviation of bandwidth measurements",
+ },
+ {
+ .ival = "bw_slope",
+ .oval = FIO_SS_BW_SLOPE,
+ .help = "slope calculated from bandwidth measurements",
+ },
+ },
+ .category = FIO_OPT_C_GENERAL,
+ .group = FIO_OPT_G_RUNTIME,
+ },
+ {
+ .name = "steadystate_duration",
+ .lname = "Steady state duration",
+ .alias = "ss_dur",
+ .parent = "steadystate",
+ .type = FIO_OPT_STR_VAL_TIME,
+ .off1 = offsetof(struct thread_options, ss_dur),
+ .help = "Stop workload upon attaining steady state for specified duration",
+ .def = "0",
+ .is_seconds = 1,
+ .is_time = 1,
+ .category = FIO_OPT_C_GENERAL,
+ .group = FIO_OPT_G_RUNTIME,
+ },
+ {
+ .name = "steadystate_ramp_time",
+ .lname = "Steady state ramp time",
+ .alias = "ss_ramp",
+ .parent = "steadystate",
+ .type = FIO_OPT_STR_VAL_TIME,
+ .off1 = offsetof(struct thread_options, ss_ramp_time),
+ .help = "Delay before initiation of data collection for steady state job termination testing",
+ .def = "0",
+ .is_seconds = 1,
+ .is_time = 1,
+ .category = FIO_OPT_C_GENERAL,
+ .group = FIO_OPT_G_RUNTIME,