perf mem: 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/1394853474-31019-3-git-send-email-artagnon@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>

diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c
index 2e3ade6..4a1a6c9 100644 (file)
--- a/tools/perf/builtin-mem.c
+++ b/tools/perf/builtin-mem.c
@@ -21,11 +21,6 @@ struct perf_mem {
        DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
 };
 
-static const char * const mem_usage[] = {
-       "perf mem [<options>] {record <command> |report}",
-       NULL
-};
-
 static int __cmd_record(int argc, const char **argv)
 {
        int rec_argc, i = 0, j;
@@ -220,9 +215,15 @@ int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused)
                   " between columns '.' is reserved."),
        OPT_END()
        };
+       const char *const mem_subcommands[] = { "record", "report", NULL };
+       const char *mem_usage[] = {
+               NULL,
+               NULL
+       };
+
 
-       argc = parse_options(argc, argv, mem_options, mem_usage,
-                            PARSE_OPT_STOP_AT_NON_OPTION);
+       argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
+                                       mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
 
        if (!argc || !(strncmp(argv[0], "rec", 3) || mem_operation))
                usage_with_options(mem_usage, mem_options);

diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index 0ef59dd..f44c04b 100644 (file)
--- 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) ]]; then
+       elif [[ $prev == @(kvm|kmem|mem) ]]; then
                subcmds=$($cmd $prev --list-cmds)
                __perfcomp_colon "$subcmds" "$cur"
        # List long option names