Add --parse-only command line option
Sometimes it's useful just being able to verify whether a job
config is valid or not, without actually starting any jobs.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/init.c b/init.c
index 32da42c..c722688 100644
--- a/init.c
+++ b/init.c
@@ -34,6 +34,7 @@
static int max_jobs = FIO_MAX_JOBS;
static int dump_cmdline;
static int def_timeout;
+static int parse_only;
static struct thread_data def_thread;
struct thread_data *threads = NULL;
@@ -151,6 +152,11 @@
.val = 'd' | FIO_CLIENT_FLAG,
},
{
+ .name = (char *) "parse-only",
+ .has_arg = no_argument,
+ .val = 'P' | FIO_CLIENT_FLAG,
+ },
+ {
.name = (char *) "section",
.has_arg = required_argument,
.val = 'x' | FIO_CLIENT_FLAG,
@@ -817,7 +823,7 @@
/*
* if we are just dumping the output command line, don't add the job
*/
- if (dump_cmdline) {
+ if (dump_cmdline || parse_only) {
put_job(td);
return 0;
}
@@ -1251,6 +1257,7 @@
printf(" --debug=options\tEnable debug logging. May be one/more of:\n"
"\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n"
"\t\t\tdiskutil,job,mutex,profile,time,net\n");
+ printf(" --parse-only\t\tParse options only, don't start any IO\n");
printf(" --output\t\tWrite output to file\n");
printf(" --runtime\t\tRuntime in seconds\n");
printf(" --latency-log\t\tGenerate per-job latency logs\n");
@@ -1528,6 +1535,9 @@
if (set_debug(optarg))
do_exit++;
break;
+ case 'P':
+ parse_only = 1;
+ break;
case 'x': {
size_t new_size;
@@ -1738,7 +1748,7 @@
fio_options_free(&def_thread);
if (!thread_number) {
- if (dump_cmdline)
+ if (dump_cmdline || parse_only)
return 0;
if (exec_profile)
return 0;