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Subject[PATCH 11/13] perf tools: Add the bash completion for listing subsubcommands of perf timechart
Date
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>
---
tools/perf/builtin-timechart.c | 7 ++++---
tools/perf/perf-completion.sh | 2 +-
2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 51440d1..494b3bb 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -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");
diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index 35f43fd..a33d2ef5 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|test) ]]; then
+ if [[ $prev_skip_opts == @(kvm|kmem|mem|lock|sched|data|help|script|test|timechart) ]]; then
subcmds=$($cmd $prev_skip_opts --list-cmds)
__perfcomp_colon "$subcmds" "$cur"
fi
--
1.8.5.2


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