[PATCH 04/13] perf tools: Fix the bash completion for listing events of perf subcommand record|stat|top -e

From: Yunlong Song
Date: Wed Mar 18 2015 - 09:35:28 EST

The bash completion does not support listing events for 'perf kvm|kmem|
mem|lock|sched record|stat|top -e <TAB>', where 'kvm|kmem|mem|lock|sched'
are all subcommands of perf.


Before this patch:

$ perf kvm record -e <TAB>

As shown above, the events of record does not come out.

After this patch:

$ perf kvm record -e <TAB>
alignment-faults cpu/instructions/
L1-dcache-prefetch-misses node-prefetches
branch-instructions cpu/mem-loads/
L1-dcache-store-misses node-prefetch-misses
branch-load-misses cpu-migrations
L1-dcache-stores node-store-misses
branch-loads dTLB-load-misses
L1-icache-load-misses node-stores

As shown above, the events of record can come out now.

Signed-off-by: Yunlong Song <yunlong.song@xxxxxxxxxx>
tools/perf/perf-completion.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh
index 01ce841..4b58ac2 100644
--- a/tools/perf/perf-completion.sh
+++ b/tools/perf/perf-completion.sh
@@ -138,7 +138,7 @@ __perf_main ()
__perfcomp "$cmds" "$cur"
# List possible events for -e option
- elif [[ $prev == "-e" && "${words[1]}" == @(record|stat|top) ]]; then
+ elif [[ $prev == "-e" && $prev_skip_opts == @(record|stat|top) ]]; then
evts=$($cmd list --raw-dump)
__perfcomp_colon "$evts" "$cur"

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