diff options
| author | Masami Hiramatsu <[email protected]> | 2015-02-27 13:50:31 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2015-02-27 15:52:40 -0300 |
| commit | 0497d0a8201a38f0c95edc8a1fc0325f2f879ddb (patch) | |
| tree | 9419e197a5e45396353631d42748e6edc4560422 | |
| parent | cc169c7c31253e80e0d504f0cd5dbb9f1e3d3ac5 (diff) | |
perf buildid-cache: Show usage with incorrect params
Show usage if no action is specified or unexpected parameter is given.
In other words, be more user friendly.
Signed-off-by: Masami Hiramatsu <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Hemant Kumar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
| -rw-r--r-- | tools/perf/builtin-buildid-cache.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c index 04466c4ff9d7..d47a0cdc71c9 100644 --- a/tools/perf/builtin-buildid-cache.c +++ b/tools/perf/builtin-buildid-cache.c @@ -343,6 +343,11 @@ int cmd_buildid_cache(int argc, const char **argv, argc = parse_options(argc, argv, buildid_cache_options, buildid_cache_usage, 0); + if (argc || (!add_name_list_str && !kcore_filename && + !remove_name_list_str && !purge_name_list_str && + !missing_filename && !update_name_list_str)) + usage_with_options(buildid_cache_usage, buildid_cache_options); + if (missing_filename) { file.path = missing_filename; file.force = force; |