Commit b9228817 authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
Browse files

perf test: Update sysfs path for core PMU caps 



While CPU is a system device, it'd be better to use a path for
event_source devices when it checks PMU capability.

Reviewed-by: default avatarIan Rogers <irogers@google.com>
Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250509213017.204343-2-namhyung@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 1c374161

tools/perf/tests/shell/record_lbr.sh

+2 −1
Original line number Diff line number Diff line
@@ -4,7 +4,8 @@ 


set -e



if [ ! -f /sys/devices/cpu/caps/branches ] && [ ! -f /sys/devices/cpu_core/caps/branches ]

if [ ! -f /sys/bus/event_source/devices/cpu/caps/branches ] &&

   [ ! -f /sys/bus/event_source/devices/cpu_core/caps/branches ]

then

  echo "Skip: only x86 CPUs support LBR"

  exit 2