Messages in this thread | | | Date | Wed, 8 Feb 2023 10:35:17 +0000 | Subject | Re: [PATCH] perf tools: Fix auto-complete on aarch64 | From | James Clark <> |
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On 07/02/2023 03:50, Yicong Yang wrote: > From: Yicong Yang <yangyicong@hisilicon.com> > > On aarch64 CPU related events are not under event_source/devices/cpu/events, > they're under event_source/devices/armv8_pmuv3_0/events on my machine. > Using current auto-complete script will generate below error: > > [root@localhost bin]# perf stat -e > ls: cannot access '/sys/bus/event_source/devices/cpu/events': No such file or directory > > Fix this by not test /sys/bus/event_source/devices/cpu/events on aarch64 > machine. > > Fixes: 74cd5815d9af ("perf tool: Improve bash command line auto-complete for multiple events with comma") > Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> > --- > tools/perf/perf-completion.sh | 11 ++++++++--- > 1 file changed, 8 insertions(+), 3 deletions(-) >
Reviewed-by: James Clark <james.clark@arm.com>
> diff --git a/tools/perf/perf-completion.sh b/tools/perf/perf-completion.sh > index fdf75d45efff..978249d7868c 100644 > --- a/tools/perf/perf-completion.sh > +++ b/tools/perf/perf-completion.sh > @@ -165,7 +165,12 @@ __perf_main () > > local cur1=${COMP_WORDS[COMP_CWORD]} > local raw_evts=$($cmd list --raw-dump) > - local arr s tmp result > + local arr s tmp result cpu_evts > + > + # aarch64 doesn't have /sys/bus/event_source/devices/cpu/events > + if [[ `uname -m` != aarch64 ]]; then > + cpu_evts=$(ls /sys/bus/event_source/devices/cpu/events) > + fi > > if [[ "$cur1" == */* && ${cur1#*/} =~ ^[A-Z] ]]; then > OLD_IFS="$IFS" > @@ -183,9 +188,9 @@ __perf_main () > fi > done > > - evts=${result}" "$(ls /sys/bus/event_source/devices/cpu/events) > + evts=${result}" "${cpu_evts} > else > - evts=${raw_evts}" "$(ls /sys/bus/event_source/devices/cpu/events) > + evts=${raw_evts}" "${cpu_evts} > fi > > if [[ "$cur1" == , ]]; then
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