Messages in this thread Patch in this message | | | From | David Ahern <> | Subject | [PATCH 2/2] perf list: Add usage | Date | Wed, 30 Oct 2013 10:15:07 -0600 |
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Currently perf list is not very helpful if you forget the syntax: $ perf list -h
List of pre-defined events (to be used in -e):
After: $ perf list -h
usage: perf list [hw|sw|cache|tracepoint|pmu|event_glob]
Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> --- tools/perf/builtin-list.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index 45000e7d4398..a5ad93206044 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -14,10 +14,21 @@ #include "util/parse-events.h" #include "util/cache.h" #include "util/pmu.h" +#include "util/parse-options.h" int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused) { int i; + const struct option list_options[] = { + OPT_END() + }; + const char * const list_usage[] = { + "perf list [hw|sw|cache|tracepoint|pmu|event_glob]", + NULL + }; + + argc = parse_options(argc, argv, list_options, list_usage, + PARSE_OPT_STOP_AT_NON_OPTION); setup_pager(); -- 1.8.3.4 (Apple Git-47)
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