perf test: Update sysfs path for core PMU caps

[ Upstream commit b9228817127430356c929847f111197776201225 ]

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: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung 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: Arnaldo Carvalho de Melo <acme@redhat.com>
Stable-dep-of: 48314d20fe46 ("perf test shell lbr: Avoid failures with perf event paranoia")
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/tools/perf/tests/shell/record_lbr.sh b/tools/perf/tests/shell/record_lbr.sh
index 32314641217e6db9ca050350f979c096ce14fecf..ab6f2825f7903c72f753a0bfa2e1cb4d561c5c84 100755 (executable)
--- a/tools/perf/tests/shell/record_lbr.sh
+++ b/tools/perf/tests/shell/record_lbr.sh
@@ -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