linux-kernel - [PATCH] perf tool: Auto-complete for the event with ':'

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Message-Id: <1513973758-19109-1-git-send-email-yao.jin@linux.intel.com>
Date:   Sat, 23 Dec 2017 04:15:58 +0800
From:   Jin Yao <yao.jin@...ux.intel.com>
To:     acme@...nel.org, jolsa@...nel.org, peterz@...radead.org,
        mingo@...hat.com, alexander.shishkin@...ux.intel.com
Cc:     Linux-kernel@...r.kernel.org, ak@...ux.intel.com,
        kan.liang@...el.com, yao.jin@...el.com,
        Jin Yao <yao.jin@...ux.intel.com>
Subject: [PATCH] perf tool: Auto-complete for the event with ':'

It's a follow up patch for a previous patch "perf tool: Return all
events as auto-completions after comma".

Sorry about that, I should send these 2 patches in a patch-set.

With this patch, the auto-completion can work well for the event
with ':'. For example,

root@skl:/tmp# perf stat -e block:block_ <TAB>
block:block_bio_backmerge   block:block_rq_complete
block:block_bio_bounce      block:block_rq_insert
block:block_bio_complete    block:block_rq_issue
block:block_bio_frontmerge  block:block_rq_remap
block:block_bio_queue       block:block_rq_requeue
block:block_bio_remap       block:block_sleeprq
block:block_dirty_buffer    block:block_split
block:block_getrq           block:block_touch_buffer
block:block_plug            block:block_unplug

root@skl:/tmp# perf stat -e block:block_rq_ <TAB>
block:block_rq_complete  block:block_rq_issue     block:block_rq_requeue
block:block_rq_insert    block:block_rq_remap

root@skl:/tmp# perf stat -e block:block_rq_complete <TAB>
block:block_rq_complete

root@skl:/tmp# perf stat -e block:block_rq_complete

Signed-off-by: Jin Yao <yao.jin@...ux.intel.com>
---
 tools/perf/perf-completion.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index 9020641..fdf75d4 100644
--- a/tools/perf/perf-completion.sh
+++ b/tools/perf/perf-completion.sh
@@ -280,6 +280,11 @@ _perf()
 		export COMP_WORDBREAKS
 	fi
 
+	if [[ "$COMP_WORDBREAKS" == *:* ]]; then
+		COMP_WORDBREAKS="${COMP_WORDBREAKS/:/}"
+		export COMP_WORDBREAKS
+	fi
+
 	local cur words cword prev
 	if [ $preload_get_comp_words_by_ref = "true" ]; then
 		_get_comp_words_by_ref -n =:, cur words cword prev
-- 
2.7.4