perf sched: Introduce --list-cmds for use by scripts

Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Acked-by: David Ahern <dsahern@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1394853474-31019-5-git-send-email-artagnon@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>

2 files changed, 7 insertions, 5 deletions

diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 9ac0a495c954..d3fb0ed7240a 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1713,8 +1713,10 @@ int cmd_sched(int argc, const char **argv, const char *prefix __maybe_unused)
                 "perf sched replay [<options>]",
                 NULL
         };
-        const char * const sched_usage[] = {
-                "perf sched [<options>] {record|latency|map|replay|script}",
+        const char *const sched_subcommands[] = { "record", "latency", "map",
+                                                  "replay", "script", NULL };
+        const char *sched_usage[] = {
+                NULL,
                 NULL
         };
         struct trace_sched_handler lat_ops  = {
@@ -1736,8 +1738,8 @@ int cmd_sched(int argc, const char **argv, const char *prefix __maybe_unused)
         for (i = 0; i < ARRAY_SIZE(sched.curr_pid); i++)
                 sched.curr_pid[i] = -1;
 
-        argc = parse_options(argc, argv, sched_options, sched_usage,
-                             PARSE_OPT_STOP_AT_NON_OPTION);
+        argc = parse_options_subcommand(argc, argv, sched_options, sched_subcommands,
+                                        sched_usage, PARSE_OPT_STOP_AT_NON_OPTION);
         if (!argc)
                 usage_with_options(sched_usage, sched_options);
 
diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index ecedab6524e4..33569847fdcc 100644
--- a/tools/perf/perf-completion.sh
+++ b/tools/perf/perf-completion.sh
@@ -122,7 +122,7 @@ __perf_main ()
                 evts=$($cmd list --raw-dump)
                 __perfcomp_colon "$evts" "$cur"
         # List subcommands for perf commands
-        elif [[ $prev == @(kvm|kmem|mem|lock) ]]; then
+        elif [[ $prev == @(kvm|kmem|mem|lock|sched) ]]; then
                 subcmds=$($cmd $prev --list-cmds)
                 __perfcomp_colon "$subcmds" "$cur"
         # List long option names