perf: Log error if mandatory parameters are missing

If "-o" (block size), "-q" (query size), "-t" (time in seconds), "-w" (io pattern) is absent, per doesn't report any message. Signed-off-by: Ivan Betsis <[email protected]> Signed-off-by: Alla Kiseleva <[email protected]>
Mellanox · Jan 14, 2020 · 40a49f1 · 40a49f1
1 parent d439832
commit 40a49f1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/examples/nvme/perf/perf.c b/examples/nvme/perf/perf.c
@@ -1337,18 +1337,22 @@ parse_args(int argc, char **argv)
 	}
 
 	if (!g_queue_depth) {
+		fprintf(stderr, "missing -q (queue size) operand\n");
 		usage(argv[0]);
 		return 1;
 	}
 	if (!g_io_size_bytes) {
+		fprintf(stderr, "missing -o (block size) operand\n");
 		usage(argv[0]);
 		return 1;
 	}
 	if (!workload_type) {
+		fprintf(stderr, "missing -w (io pattern type) operand\n");
 		usage(argv[0]);
 		return 1;
 	}
 	if (!g_time_in_sec) {
+		fprintf(stderr, "missing -t (test time in seconds) operand\n");
 		usage(argv[0]);
 		return 1;
 	}