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perf tools: Add the bash completion for listing subsubcommands of perf timechart

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

Example:

Before this patch:

 $ perf timechart <TAB>
 $

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

After this patch:

 $ perf timechart <TAB>
 record

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

Signed-off-by: Yunlong Song <yunlong.song@huawei.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1426685758-25488-12-git-send-email-yunlong.song@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Yunlong Song
2015-03-18 21:35:56 +08:00
committed by Arnaldo Carvalho de Melo
parent 1f9975f14c
commit 33ec0caf6a
2 changed files with 5 additions and 4 deletions
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7
tools/perf/builtin-timechart.c
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@@ -1958,7 +1958,8 @@ int cmd_timechart(int argc, const char **argv,
parse_time),
OPT_END()
};
const char * const timechart_usage[] = {
const char * const timechart_subcommands[] = { "record", NULL };
const char *timechart_usage[] = {
"perf timechart [<options>] {record}",
NULL
};
@@ -1976,8 +1977,8 @@ int cmd_timechart(int argc, const char **argv,
"perf timechart record [<options>]",
NULL
};
argc = parse_options(argc, argv, timechart_options, timechart_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
argc = parse_options_subcommand(argc, argv, timechart_options, timechart_subcommands,
timechart_usage, PARSE_OPT_STOP_AT_NON_OPTION);
if (tchart.power_only && tchart.tasks_only) {
pr_err("-P and -T options cannot be used at the same time.\n");