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Message-ID: <tip-e24a110882949c609c5fb7625b71d8e77264257b@git.kernel.org>
Date: Sun, 22 Mar 2015 03:11:18 -0700
From: tip-bot for Yunlong Song <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: yunlong.song@...wei.com, acme@...hat.com, mingo@...nel.org,
paulus@...ba.org, wangnan0@...wei.com,
linux-kernel@...r.kernel.org, tglx@...utronix.de, hpa@...or.com,
a.p.zijlstra@...llo.nl
Subject: [tip:perf/core] perf tools:
Add the bash completion for listing subsubcommands of perf help
Commit-ID: e24a110882949c609c5fb7625b71d8e77264257b
Gitweb: http://git.kernel.org/tip/e24a110882949c609c5fb7625b71d8e77264257b
Author: Yunlong Song <yunlong.song@...wei.com>
AuthorDate: Wed, 18 Mar 2015 21:35:53 +0800
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 19 Mar 2015 13:49:39 -0300
perf tools: Add the bash completion for listing subsubcommands of perf help
The bash completion does not support listing subsubcommands for 'perf
help <TAB>', so fix it.
Example:
Before this patch:
$ perf help <TAB>
$
As shown above, the subsubcommands of perf help does not come out.
After this patch:
$ perf help <TAB>
annotate buildid-cache data evlist inject
kvm lock probe report script
test top
bench buildid-list diff help kmem
list mem record sched stat
timechart trace
As shown above, the subsubcommands of perf help can come out now.
Signed-off-by: Yunlong Song <yunlong.song@...wei.com>
Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/r/1426685758-25488-9-git-send-email-yunlong.song@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/builtin-help.c | 17 ++++++++++++++---
tools/perf/perf-completion.sh | 2 +-
2 files changed, 15 insertions(+), 4 deletions(-)
diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
index 25d2062..36486ea 100644
--- a/tools/perf/builtin-help.c
+++ b/tools/perf/builtin-help.c
@@ -437,7 +437,18 @@ int cmd_help(int argc, const char **argv, const char *prefix __maybe_unused)
HELP_FORMAT_INFO),
OPT_END(),
};
- const char * const builtin_help_usage[] = {
+ const char * const builtin_help_subcommands[] = {
+ "buildid-cache", "buildid-list", "diff", "evlist", "help", "list",
+ "record", "report", "bench", "stat", "timechart", "top", "annotate",
+ "script", "sched", "kmem", "lock", "kvm", "test", "inject", "mem", "data",
+#ifdef HAVE_LIBELF_SUPPORT
+ "probe",
+#endif
+#ifdef HAVE_LIBAUDIT_SUPPORT
+ "trace",
+#endif
+ NULL };
+ const char *builtin_help_usage[] = {
"perf help [--all] [--man|--web|--info] [command]",
NULL
};
@@ -448,8 +459,8 @@ int cmd_help(int argc, const char **argv, const char *prefix __maybe_unused)
perf_config(perf_help_config, &help_format);
- argc = parse_options(argc, argv, builtin_help_options,
- builtin_help_usage, 0);
+ argc = parse_options_subcommand(argc, argv, builtin_help_options,
+ builtin_help_subcommands, builtin_help_usage, 0);
if (show_all) {
printf("\n usage: %s\n\n", perf_usage_string);
diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index 535ff72..dbca6a6 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) ]]; then
+ if [[ $prev_skip_opts == @(kvm|kmem|mem|lock|sched|data|help) ]]; then
subcmds=$($cmd $prev_skip_opts --list-cmds)
__perfcomp_colon "$subcmds" "$cur"
fi
--
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