}
static struct opt_group fio_opt_cat_groups[] = {
+ {
+ .name = "Latency profiling",
+ .mask = FIO_OPT_G_LATPROF,
+ },
{
.name = "Rate",
.mask = FIO_OPT_G_RATE,
.category = FIO_OPT_C_IO,
.group = FIO_OPT_G_IO_TYPE,
},
+ {
+ .name = "atomic",
+ .lname = "Atomic I/O",
+ .type = FIO_OPT_BOOL,
+ .off1 = td_var_offset(oatomic),
+ .help = "Use Atomic IO with O_DIRECT (implies O_DIRECT)",
+ .def = "0",
+ .category = FIO_OPT_C_IO,
+ .group = FIO_OPT_G_IO_TYPE,
+ },
{
.name = "buffered",
.lname = "Buffered I/O",
.off1 = td_var_offset(max_latency),
.help = "Maximum tolerated IO latency (usec)",
.category = FIO_OPT_C_IO,
- .group = FIO_OPT_G_RATE,
+ .group = FIO_OPT_G_LATPROF,
+ },
+ {
+ .name = "latency_target",
+ .lname = "Latency Target (usec)",
+ .type = FIO_OPT_STR_VAL_TIME,
+ .off1 = td_var_offset(latency_target),
+ .help = "Ramp to max queue depth supporting this latency",
+ .category = FIO_OPT_C_IO,
+ .group = FIO_OPT_G_LATPROF,
+ },
+ {
+ .name = "latency_window",
+ .lname = "Latency Window (usec)",
+ .type = FIO_OPT_STR_VAL_TIME,
+ .off1 = td_var_offset(latency_window),
+ .help = "Time to sustain latency_target",
+ .category = FIO_OPT_C_IO,
+ .group = FIO_OPT_G_LATPROF,
+ },
+ {
+ .name = "latency_percentile",
+ .lname = "Latency Percentile",
+ .type = FIO_OPT_FLOAT_LIST,
+ .off1 = td_var_offset(latency_percentile),
+ .help = "Percentile of IOs must be below latency_target",
+ .def = "100",
+ .maxlen = 1,
+ .minfp = 0.0,
+ .maxfp = 100.0,
+ .category = FIO_OPT_C_IO,
+ .group = FIO_OPT_G_LATPROF,
},
{
.name = "invalidate",
lopt->name = (char *) name;
lopt->val = val;
if (o->type == FIO_OPT_STR_SET)
- lopt->has_arg = no_argument;
+ lopt->has_arg = optional_argument;
else
lopt->has_arg = required_argument;
}
return opts_copy;
}
-int fio_options_parse(struct thread_data *td, char **opts, int num_opts)
+int fio_options_parse(struct thread_data *td, char **opts, int num_opts,
+ int dump_cmdline)
{
int i, ret, unknown;
char **opts_copy;
for (ret = 0, i = 0, unknown = 0; i < num_opts; i++) {
struct fio_option *o;
int newret = parse_option(opts_copy[i], opts[i], fio_options,
- &o, td);
+ &o, td, dump_cmdline);
if (opts_copy[i]) {
if (newret && !o) {
if (td->eo)
newret = parse_option(opts_copy[i], opts[i],
td->io_ops->options, &o,
- td->eo);
+ td->eo, dump_cmdline);
ret |= newret;
if (!o)
int fio_cmd_ioengine_option_parse(struct thread_data *td, const char *opt,
char *val)
{
- return parse_cmd_option(opt, val, td->io_ops->options, td);
+ return parse_cmd_option(opt, val, td->io_ops->options, td->eo);
}
void fio_fill_default_options(struct thread_data *td)