perf list: Add usage
authorDavid Ahern <dsahern@gmail.com>
Wed, 30 Oct 2013 16:28:29 +0000 (10:28 -0600)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 5 Nov 2013 17:26:41 +0000 (14:26 -0300)
commit44d742e01e6d3dd544ee1873b660a3c8bc1413bb
treee305d70f0bf65c430a9893a888776b555bd6dace
parent8e00ddc9dfe09ee131144fdaf6c96ebe95bbbbcb
perf list: Add usage

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>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/527133AD.4030003@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-list.c