perror("shmat");
return 1;
}
+ if (shm_attach_to_open_removed())
+ shmctl(shm_id, IPC_RMID, NULL);
#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();
/*
* Return a free job structure.
*/
-static struct thread_data *get_new_job(int global, struct thread_data *parent,
- int preserve_eo, const char *jobname)
+static struct thread_data *get_new_job(bool global, struct thread_data *parent,
+ bool preserve_eo, const char *jobname)
{
struct thread_data *td;
copy_opt_list(td, parent);
td->io_ops = NULL;
+ td->io_ops_init = 0;
if (!preserve_eo)
td->eo = NULL;
td->rate_next_io_time[ddir] = 0;
td->rate_io_issue_bytes[ddir] = 0;
- td->last_usec = 0;
+ td->last_usec[ddir] = 0;
return 0;
}
struct thread_options *o = &td->o;
int ret = 0;
-#ifndef FIO_HAVE_PSHARED_MUTEX
+#ifndef CONFIG_PSHARED
if (!o->use_thread) {
log_info("fio: this platform does not support process shared"
" mutexes, forcing use of threads. Use the 'thread'"
/*
* Reads can do overwrites, we always need to pre-create the file
*/
- if (td_read(td) || td_rw(td))
+ if (td_read(td))
o->overwrite = 1;
if (!o->min_bs[DDIR_READ])
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;
}
if (o->pre_read) {
- o->invalidate_cache = 0;
+ if (o->invalidate_cache)
+ o->invalidate_cache = 0;
if (td_ioengine_flagged(td, FIO_PIPEIO)) {
log_info("fio: cannot pre-read files with an IO engine"
" that isn't seekable. Pre-read disabled.\n");
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);
init_rand_seed(&td->file_size_state, td->rand_seeds[FIO_RAND_FILE_SIZE_OFF], use64);
init_rand_seed(&td->trim_state, td->rand_seeds[FIO_RAND_TRIM_OFF], use64);
init_rand_seed(&td->delay_state, td->rand_seeds[FIO_RAND_START_DELAY], use64);
- init_rand_seed(&td->poisson_state, td->rand_seeds[FIO_RAND_POISSON_OFF], 0);
+ init_rand_seed(&td->poisson_state[0], td->rand_seeds[FIO_RAND_POISSON_OFF], 0);
+ init_rand_seed(&td->poisson_state[1], td->rand_seeds[FIO_RAND_POISSON2_OFF], 0);
+ init_rand_seed(&td->poisson_state[2], td->rand_seeds[FIO_RAND_POISSON3_OFF], 0);
init_rand_seed(&td->dedupe_state, td->rand_seeds[FIO_DEDUPE_OFF], false);
init_rand_seed(&td->zone_state, td->rand_seeds[FIO_RAND_ZONE_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) {
if (o->verify_async || o->io_submit_mode == IO_MODE_OFFLOAD)
td->flags |= TD_F_NEED_LOCK;
+
+ if (o->mem_type == MEM_CUDA_MALLOC)
+ td->flags &= ~TD_F_SCRAMBLE_BUFFERS;
}
static int setup_random_seeds(struct thread_data *td)
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++)
if (!o->filename_format || !strlen(o->filename_format)) {
sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
- return NULL;
+ return buf;
}
for (f = &fpre_keywords[0]; f->keyword; f++)
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;
}
ddir_str(o->td_ddir));
if (o->bs_is_seq_rand)
- log_info("bs=%s-%s,%s-%s, bs_is_seq_rand, ",
+ log_info("bs=(R) %s-%s, (W) %s-%s, bs_is_seq_rand, ",
c1, c2, c3, c4);
else
- log_info("bs=%s-%s,%s-%s,%s-%s, ",
+ log_info("bs=(R) %s-%s, (W) %s-%s, (T) %s-%s, ",
c1, c2, c3, c4, c5, c6);
log_info("ioengine=%s, iodepth=%u\n",
*/
numjobs = o->numjobs;
while (--numjobs) {
- struct thread_data *td_new = get_new_job(0, td, 1, jobname);
+ struct thread_data *td_new = get_new_job(false, td, true, jobname);
if (!td_new)
goto err;
sprintf(jobname, "%s", o[i] + 5);
}
if (in_global && !td_parent)
- td_parent = get_new_job(1, &def_thread, 0, jobname);
+ td_parent = get_new_job(true, &def_thread, false, jobname);
else if (!in_global && !td) {
if (!td_parent)
td_parent = &def_thread;
- td = get_new_job(0, td_parent, 0, jobname);
+ td = get_new_job(false, td_parent, false, jobname);
}
if (in_global)
fio_options_parse(td_parent, (char **) &o[i], 1);
char *file, int is_buf, int stonewall_flag, int type,
int nested, char *name, char ***popts, int *aopts, int *nopts)
{
- unsigned int global = 0;
+ bool global = false;
char *string;
FILE *f;
char *p;
first_sect = 0;
}
- td = get_new_job(global, &def_thread, 0, name);
+ td = get_new_job(global, &def_thread, false, name);
if (!td) {
ret = 1;
break;
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"
case 'b':
write_bw_log = 1;
break;
- case 'o':
+ case 'o': {
+ FILE *tmp;
+
if (f_out && f_out != stdout)
fclose(f_out);
- f_out = fopen(optarg, "w+");
- if (!f_out) {
- perror("fopen output");
- exit(1);
+ tmp = fopen(optarg, "w+");
+ if (!tmp) {
+ log_err("fio: output file open error: %s\n", strerror(errno));
+ exit_val = 1;
+ do_exit++;
+ break;
}
- f_err = f_out;
+ f_err = f_out = tmp;
break;
+ }
case 'm':
output_format = FIO_OUTPUT_TERSE;
break;
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 (is_section && skip_this_section(val))
continue;
- td = get_new_job(global, &def_thread, 1, NULL);
+ td = get_new_job(global, &def_thread, true, NULL);
if (!td || ioengine_load(td)) {
if (td) {
put_job(td);
}
if (!ret && !strcmp(opt, "ioengine")) {
- free_ioengine(td);
if (ioengine_load(td)) {
put_job(td);
td = NULL;
if (!ret) {
ret = add_job(td, td->o.name ?: "fio", 0, 0, client_type);
if (ret)
- did_arg = 1;
+ exit(1);
}
}