if (o->iodepth_batch_complete_min > o->iodepth_batch_complete_max)
o->iodepth_batch_complete_max = o->iodepth_batch_complete_min;
+ /*
+ * There's no need to check for in-flight overlapping IOs if the job
+ * isn't changing data or the maximum iodepth is guaranteed to be 1
+ */
+ if (o->serialize_overlap && !(td->flags & TD_F_READ_IOLOG) &&
+ (!(td_write(td) || td_trim(td)) || o->iodepth == 1))
+ o->serialize_overlap = 0;
+ /*
+ * Currently can't check for overlaps in offload mode
+ */
+ if (o->serialize_overlap && o->io_submit_mode == IO_MODE_OFFLOAD) {
+ log_err("fio: checking for in-flight overlaps when the "
+ "io_submit_mode is offload is not supported\n");
+ o->serialize_overlap = 0;
+ ret = warnings_fatal;
+ }
+
if (o->nr_files > td->files_index)
o->nr_files = td->files_index;
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;
* Windows doesn't support O_DIRECT or O_SYNC with the _open interface,
* so fail if we're passed those flags
*/
- if (td_ioengine_flagged(td, FIO_SYNCIO) && (td->o.odirect || td->o.sync_io)) {
+ if (td_ioengine_flagged(td, FIO_SYNCIO) && (o->odirect || o->sync_io)) {
log_err("fio: Windows does not support direct or non-buffered io with"
" the synchronous ioengines. Use the 'windowsaio' ioengine"
" with 'direct=1' and 'iodepth=1' instead.\n");
* Using a non-uniform random distribution excludes usage of
* a random map
*/
- if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
- td->o.norandommap = 1;
+ if (o->random_distribution != FIO_RAND_DIST_RANDOM)
+ o->norandommap = 1;
/*
* If size is set but less than the min block size, complain
/*
* O_ATOMIC implies O_DIRECT
*/
- if (td->o.oatomic)
- td->o.odirect = 1;
+ if (o->oatomic)
+ o->odirect = 1;
/*
* If randseed is set, that overrides randrepeat
*/
- if (fio_option_is_set(&td->o, rand_seed))
- td->o.rand_repeatable = 0;
+ if (fio_option_is_set(o, rand_seed))
+ o->rand_repeatable = 0;
- if (td_ioengine_flagged(td, FIO_NOEXTEND) && td->o.file_append) {
+ if (td_ioengine_flagged(td, FIO_NOEXTEND) && o->file_append) {
log_err("fio: can't append/extent with IO engine %s\n", td->io_ops->name);
ret = 1;
}
if (!td->loops)
td->loops = 1;
- if (td->o.block_error_hist && td->o.nr_files != 1) {
+ if (o->block_error_hist && o->nr_files != 1) {
log_err("fio: block error histogram only available "
"with a single file per job, but %d files "
- "provided\n", td->o.nr_files);
+ "provided\n", o->nr_files);
ret = 1;
}
- return ret;
-}
-
-/* External engines are specified by "external:name.o") */
-static const char *get_engine_name(const char *str)
-{
- char *p = strstr(str, ":");
-
- if (!p)
- return str;
+ if (fio_option_is_set(o, clat_percentiles) &&
+ !fio_option_is_set(o, lat_percentiles)) {
+ o->lat_percentiles = !o->clat_percentiles;
+ } else if (fio_option_is_set(o, lat_percentiles) &&
+ !fio_option_is_set(o, clat_percentiles)) {
+ o->clat_percentiles = !o->lat_percentiles;
+ } else if (fio_option_is_set(o, lat_percentiles) &&
+ fio_option_is_set(o, clat_percentiles) &&
+ o->lat_percentiles && o->clat_percentiles) {
+ log_err("fio: lat_percentiles and clat_percentiles are "
+ "mutually exclusive\n");
+ ret = 1;
+ }
- p++;
- strip_blank_front(&p);
- strip_blank_end(p);
- return p;
+ return ret;
}
static void init_rand_file_service(struct thread_data *td)
*/
int ioengine_load(struct thread_data *td)
{
- const char *engine;
-
if (!td->o.ioengine) {
log_err("fio: internal fault, no IO engine specified\n");
return 1;
free_ioengine(td);
}
- engine = get_engine_name(td->o.ioengine);
- td->io_ops = load_ioengine(td, engine);
+ td->io_ops = load_ioengine(td);
if (!td->io_ops) {
- log_err("fio: failed to load engine %s\n", engine);
+ log_err("fio: failed to load engine\n");
return 1;
}
td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
td->ts.clat_percentiles = o->clat_percentiles;
+ td->ts.lat_percentiles = o->lat_percentiles;
td->ts.percentile_precision = o->percentile_precision;
memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
printf(" --inflate-log=log\tInflate and output compressed log\n");
#endif
printf(" --trigger-file=file\tExecute trigger cmd when file exists\n");
- printf(" --trigger-timeout=t\tExecute trigger af this time\n");
+ printf(" --trigger-timeout=t\tExecute trigger at this time\n");
printf(" --trigger=cmd\t\tSet this command as local trigger\n");
printf(" --trigger-remote=cmd\tSet this command as remote trigger\n");
printf(" --aux-path=path\tUse this path for fio state generated files\n");
projects / fio.git / blobdiff