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Date:	Sun, 22 Mar 2015 03:11:36 -0700
From:	tip-bot for Yunlong Song <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	yunlong.song@...wei.com, paulus@...ba.org, hpa@...or.com,
	a.p.zijlstra@...llo.nl, wangnan0@...wei.com, acme@...hat.com,
	mingo@...nel.org, tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf tools:
  Add the bash completion for listing subsubcommands of perf script

Commit-ID:  40cae2b779f2826f3d82674027299332c2007716
Gitweb:     http://git.kernel.org/tip/40cae2b779f2826f3d82674027299332c2007716
Author:     Yunlong Song <yunlong.song@...wei.com>
AuthorDate: Wed, 18 Mar 2015 21:35:54 +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 script

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

Example:

Before this patch:

 $ perf script <TAB>
 $

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

After this patch:

 $ perf script <TAB>
 record  report

As shown above, the subsubcommands of perf script 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/1426685758-25488-10-git-send-email-yunlong.song@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-script.c   | 5 +++--
 tools/perf/perf-completion.sh | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index c7e6750..f2a348b 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1572,7 +1572,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
 		    "Show the mmap events"),
 	OPT_END()
 	};
-	const char * const script_usage[] = {
+	const char * const script_subcommands[] = { "record", "report", NULL };
+	const char *script_usage[] = {
 		"perf script [<options>]",
 		"perf script [<options>] record <script> [<record-options>] <command>",
 		"perf script [<options>] report <script> [script-args]",
@@ -1586,7 +1587,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
 
 	setup_scripting();
 
-	argc = parse_options(argc, argv, options, script_usage,
+	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
 			     PARSE_OPT_STOP_AT_NON_OPTION);
 
 	file.path = input_name;
diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index dbca6a6..8739a13 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) ]]; then
+		if [[ $prev_skip_opts == @(kvm|kmem|mem|lock|sched|data|help|script) ]]; then
 			subcmds=$($cmd $prev_skip_opts --list-cmds)
 			__perfcomp_colon "$subcmds" "$cur"
 		fi
--
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