From 34c16db0f035f3f3dc50fbed03747693c12b6a5b Mon Sep 17 00:00:00 2001 From: Jin Yao Date: Fri, 22 Dec 2017 18:57:35 +0800 Subject: [PATCH] perf tools: Return all events as auto-completions after comma It's a follow up for one previous patch "perf tool: Improve bash command line auto-complete for multiple events with comma." It fixes an issue that no events are displayed when is directly typed after comma. With this patch, now the result is: root@skl:/tmp# perf stat -e cpu-cycles, Display all 2389 possibilities? (y or n) alarmtimer:alarmtimer_cancel alarmtimer:alarmtimer_fired alarmtimer:alarmtimer_start alarmtimer:alarmtimer_suspend alignment-faults arith.divider_active BAClear_Cost baclears.any block:block_bio_backmerge block:block_bio_bounce block:block_bio_complete block:block_bio_frontmerge block:block_bio_queue block:block_bio_remap block:block_dirty_buffer block:block_getrq block:block_plug block:block_rq_complete block:block_rq_insert block:block_rq_issue block:block_rq_remap block:block_rq_requeue block:block_sleeprq --More-- One remaining issue is that the auto-completions doesn't work well for the event with ':'. For example, clk:clk_enable. Because ':' is set as WORDBREAK by default in bash. Need more work for this case. Reported-by: Arnaldo Carvalho de Melo Signed-off-by: Jin Yao Tested-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Andi Kleen Cc: Jiri Olsa Cc: Kan Liang Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1513940255-16528-1-git-send-email-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/perf-completion.sh | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh index d8310830a18b..90206413f4d7 100644 --- a/tools/perf/perf-completion.sh +++ b/tools/perf/perf-completion.sh @@ -183,12 +183,16 @@ __perf_main () fi done - evts=${result}+$(ls /sys/bus/event_source/devices/cpu/events) + evts=${result}" "$(ls /sys/bus/event_source/devices/cpu/events) else - evts=${raw_evts}+$(ls /sys/bus/event_source/devices/cpu/events) + evts=${raw_evts}" "$(ls /sys/bus/event_source/devices/cpu/events) fi - __perfcomp_colon "$evts" "$cur1" + if [[ "$cur1" == , ]]; then + __perfcomp_colon "$evts" "" + else + __perfcomp_colon "$evts" "$cur1" + fi else # List subcommands for perf commands if [[ $prev_skip_opts == @(kvm|kmem|mem|lock|sched| -- 2.20.1