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perf tools: Fix auto-complete on aarch64

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[ Upstream commit ffd1240e8f0814262ceb957dbe961f6e0aef1e7a ]

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 testing /sys/bus/event_source/devices/cpu/events on
aarch64 machine.

Fixes: 74cd5815d9 ("perf tool: Improve bash command line auto-complete for multiple events with comma")
Reviewed-by: James Clark <[email protected]>
Signed-off-by: Yicong Yang <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jin Yao <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Yicong Yang 2023-02-07 11:50:57 +08:00 • committed by Greg Kroah-Hartman
commit 090a22f599
1 changed files with 8 additions and 3 deletions
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11
tools/perf/perf-completion.sh
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@ -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