[PATCH] Add -h help option
diff --git a/fio-ini.c b/fio-ini.c
index 9f9dd2a..b360e97 100644
--- a/fio-ini.c
+++ b/fio-ini.c
@@ -887,11 +887,25 @@
return 0;
}
+static void usage(char *name)
+{
+ printf("%s\n", fio_version_string);
+ printf("\t-s IO is sequential\n");
+ printf("\t-b Block size in KiB for each IO\n");
+ printf("\t-t Runtime in seconds\n");
+ printf("\t-R Exit all threads on failure to meet rate goal\n");
+ printf("\t-o Use O_DIRECT\n");
+ printf("\t-l Generate per-job latency logs\n");
+ printf("\t-w Generate per-job bandwidth logs\n");
+ printf("\t-f Job file (Required)\n");
+ printf("\t-v Print version info and exit\n");
+}
+
static void parse_cmd_line(int argc, char *argv[])
{
int c;
- while ((c = getopt(argc, argv, "s:b:t:r:R:o:f:lwv")) != EOF) {
+ while ((c = getopt(argc, argv, "s:b:t:r:R:o:f:lwvh")) != EOF) {
switch (c) {
case 's':
def_thread.sequential = !!atoi(optarg);
@@ -925,6 +939,9 @@
case 'w':
write_bw_log = 1;
break;
+ case 'h':
+ usage(argv[0]);
+ exit(0);
case 'v':
printf("%s\n", fio_version_string);
exit(0);
@@ -987,6 +1004,7 @@
if (!ini_file) {
printf("Need job file\n");
+ usage(argv[0]);
return 1;
}