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| author | Namhyung Kim <namhyung@kernel.org> | 2025-05-09 14:30:17 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-19 16:33:36 +0200 |
| commit | 491c4eed60fa6010b9393121bdff3e57206ba037 (patch) | |
| tree | 7a7f4c0a16505b10d8af0ca64f90cd6f799abbba /tools | |
| parent | 20027d8416a48a98e429d8828cb7c8fc65f15679 (diff) | |
| download | linux-491c4eed60fa6010b9393121bdff3e57206ba037.tar.gz linux-491c4eed60fa6010b9393121bdff3e57206ba037.tar.bz2 linux-491c4eed60fa6010b9393121bdff3e57206ba037.zip | |
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>
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/perf/tests/shell/record_lbr.sh | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/tests/shell/record_lbr.sh b/tools/perf/tests/shell/record_lbr.sh index 32314641217e..ab6f2825f790 100755 --- 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 |