diff options
| -rw-r--r-- | tools/perf/builtin-probe.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 559eeb42c5e7..919037bc9808 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -205,8 +205,13 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) argc = parse_options(argc, argv, options, probe_usage, PARSE_OPT_STOP_AT_NON_OPTION); - if (argc > 0) + if (argc > 0) { + if (strcmp(argv[0], "-") == 0) { + pr_warning(" Error: '-' is not supported.\n"); + usage_with_options(probe_usage, options); + } parse_probe_event_argv(argc, argv); + } if ((!session.nr_probe && !session.dellist && !session.list_events)) usage_with_options(probe_usage, options); |