#endif
memset(threads, 0, max_jobs * sizeof(struct thread_data));
- fio_debug_jobp = (void *) threads + max_jobs * sizeof(struct thread_data);
+ fio_debug_jobp = (unsigned int *)(threads + max_jobs);
*fio_debug_jobp = -1;
flow_init();
o->size = -1ULL;
if (o->verify != VERIFY_NONE) {
- if (td_write(td) && o->do_verify && o->numjobs > 1) {
- log_info("Multiple writers may overwrite blocks that "
- "belong to other jobs. This can cause "
+ if (td_write(td) && o->do_verify && o->numjobs > 1 &&
+ (o->filename ||
+ !(o->unique_filename &&
+ strstr(o->filename_format, "$jobname") &&
+ strstr(o->filename_format, "$jobnum") &&
+ strstr(o->filename_format, "$filenum")))) {
+ log_info("fio: multiple writers may overwrite blocks "
+ "that belong to other jobs. This can cause "
"verification failures.\n");
ret = warnings_fatal;
}
+ /*
+ * Warn if verification is requested but no verification of any
+ * kind can be started due to time constraints
+ */
+ if (td_write(td) && o->do_verify && o->timeout &&
+ o->time_based && !td_read(td) && !o->verify_backlog) {
+ log_info("fio: verification read phase will never "
+ "start because write phase uses all of "
+ "runtime\n");
+ ret = warnings_fatal;
+ }
+
if (!fio_option_is_set(o, refill_buffers))
o->refill_buffers = 1;
o->unit_base = 8;
}
+#ifndef FIO_HAVE_ANY_FALLOCATE
+ /* Platform doesn't support any fallocate so force it to none */
+ o->fallocate_mode = FIO_FALLOCATE_NONE;
+#endif
+
#ifndef CONFIG_FDATASYNC
if (o->fdatasync_blocks) {
log_info("fio: this platform does not support fdatasync()"
bool use64;
if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64)
- use64 = 1;
+ use64 = true;
else
- use64 = 0;
+ use64 = false;
init_rand_seed(&td->verify_state, td->rand_seeds[FIO_RAND_VER_OFF],
use64);
{
int i;
- init_rand_seed(&td->bsrange_state, td->rand_seeds[FIO_RAND_BS_OFF], use64);
+ /*
+ * trimwrite is special in that we need to generate the same
+ * offsets to get the "write after trim" effect. If we are
+ * using bssplit to set buffer length distributions, ensure that
+ * we seed the trim and write generators identically.
+ */
+ if (td_trimwrite(td)) {
+ init_rand_seed(&td->bsrange_state[DDIR_READ], td->rand_seeds[FIO_RAND_BS_OFF], use64);
+ init_rand_seed(&td->bsrange_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_BS1_OFF], use64);
+ init_rand_seed(&td->bsrange_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_BS1_OFF], use64);
+ } else {
+ init_rand_seed(&td->bsrange_state[DDIR_READ], td->rand_seeds[FIO_RAND_BS_OFF], use64);
+ init_rand_seed(&td->bsrange_state[DDIR_WRITE], td->rand_seeds[FIO_RAND_BS1_OFF], use64);
+ init_rand_seed(&td->bsrange_state[DDIR_TRIM], td->rand_seeds[FIO_RAND_BS2_OFF], use64);
+ }
+
td_fill_verify_state_seed(td);
init_rand_seed(&td->rwmix_state, td->rand_seeds[FIO_RAND_MIX_OFF], false);
}
if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64)
- use64 = 1;
+ use64 = true;
else
- use64 = 0;
+ use64 = false;
td_fill_rand_seeds_internal(td, use64);
{
const char *engine;
- /*
- * Engine has already been loaded.
- */
- if (td->io_ops)
- return 0;
if (!td->o.ioengine) {
log_err("fio: internal fault, no IO engine specified\n");
return 1;
}
+ if (td->io_ops) {
+ /* An engine is loaded, but the requested ioengine
+ * may have changed.
+ */
+ if (!strcmp(td->io_ops->name, td->o.ioengine)) {
+ /* The right engine is already loaded */
+ return 0;
+ }
+
+ /* Unload the old engine. */
+ free_ioengine(td);
+ }
+
engine = get_engine_name(td->o.ioengine);
td->io_ops = load_ioengine(td, engine);
if (!td->io_ops) {
unsigned long seed;
unsigned int i;
- if (!td->o.rand_repeatable && !fio_option_is_set(&td->o, rand_seed))
- return init_random_state(td, td->rand_seeds, sizeof(td->rand_seeds));
+ if (!td->o.rand_repeatable && !fio_option_is_set(&td->o, rand_seed)) {
+ int ret = init_random_seeds(td->rand_seeds, sizeof(td->rand_seeds));
+ if (!ret)
+ td_fill_rand_seeds(td);
+ return ret;
+ }
seed = td->o.rand_seed;
for (i = 0; i < 4; i++)
td->ts.slat_stat[i].min_val = ULONG_MAX;
td->ts.lat_stat[i].min_val = ULONG_MAX;
td->ts.bw_stat[i].min_val = ULONG_MAX;
+ td->ts.iops_stat[i].min_val = ULONG_MAX;
}
td->ddir_seq_nr = o->ddir_seq_nr;
prev_group_jobs++;
if (setup_random_seeds(td)) {
- td_verror(td, errno, "init_random_state");
+ td_verror(td, errno, "setup_random_seeds");
goto err;
}
printf(" --version\t\tPrint version info and exit\n");
printf(" --help\t\tPrint this page\n");
printf(" --cpuclock-test\tPerform test/validation of CPU clock\n");
- printf(" --crctest=type\tTest speed of checksum functions\n");
+ printf(" --crctest=[type]\tTest speed of checksum functions\n");
printf(" --cmdhelp=cmd\t\tPrint command help, \"all\" for all of"
" them\n");
printf(" --enghelp=engine\tPrint ioengine help, or list"
break;
case 'V':
terse_version = atoi(optarg);
- if (!(terse_version == 2 || terse_version == 3 ||
- terse_version == 4)) {
+ if (!(terse_version >= 2 && terse_version <= 5)) {
log_err("fio: bad terse version format\n");
exit_val = 1;
do_exit++;
}
if (!ret && !strcmp(opt, "ioengine")) {
- free_ioengine(td);
if (ioengine_load(td)) {
put_job(td);
td = NULL;
projects / fio.git / blobdiff