From: Yunlong Song <yunlong.s...@huawei.com>

The bash completion does not support listing subsubcommands for 'perf
test <TAB>', so fix it.

Example:

Before this patch:

 $ perf test <TAB>
 $

As shown above, the subsubcommands of perf test does not come out.

After this patch:

 $ perf test <TAB>
 list

As shown above, the subsubcommands of perf test can come out now.

Signed-off-by: Yunlong Song <yunlong.s...@huawei.com>
Tested-by: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Cc: Wang Nan <wangn...@huawei.com>
Link: 
http://lkml.kernel.org/r/1426685758-25488-11-git-send-email-yunlong.s...@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/perf-completion.sh   | 2 +-
 tools/perf/tests/builtin-test.c | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index 8739a1345017..35f43fd7a38b 100644
--- a/tools/perf/perf-completion.sh
+++ b/tools/perf/perf-completion.sh
@@ -143,7 +143,7 @@ __perf_main ()
                __perfcomp_colon "$evts" "$cur"
        else
                # List subcommands for perf commands
-               if [[ $prev_skip_opts == 
@(kvm|kmem|mem|lock|sched|data|help|script) ]]; then
+               if [[ $prev_skip_opts == 
@(kvm|kmem|mem|lock|sched|data|help|script|test) ]]; then
                        subcmds=$($cmd $prev_skip_opts --list-cmds)
                        __perfcomp_colon "$subcmds" "$cur"
                fi
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 4b7d9ab0f049..ed8e05c6839a 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -291,7 +291,7 @@ static int perf_test__list(int argc, const char **argv)
 
 int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused)
 {
-       const char * const test_usage[] = {
+       const char *test_usage[] = {
        "perf test [<options>] [{list 
<test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]",
        NULL,
        };
@@ -302,13 +302,14 @@ int cmd_test(int argc, const char **argv, const char 
*prefix __maybe_unused)
                    "be more verbose (show symbol address, etc)"),
        OPT_END()
        };
+       const char * const test_subcommands[] = { "list", NULL };
        struct intlist *skiplist = NULL;
         int ret = hists__init();
 
         if (ret < 0)
                 return ret;
 
-       argc = parse_options(argc, argv, test_options, test_usage, 0);
+       argc = parse_options_subcommand(argc, argv, test_options, 
test_subcommands, test_usage, 0);
        if (argc >= 1 && !strcmp(argv[0], "list"))
                return perf_test__list(argc, argv);
 
-- 
1.9.3

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