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| author | Veronika Molnarova <vmolnaro@redhat.com> | 2023-09-19 17:02:43 +0200 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2023-09-21 11:55:13 -0700 |
| commit | 29441ab3a30a1a5e2dc35ea519bbd5dd210b7666 (patch) | |
| tree | 5f4b644d2e59e6f6ffa64878292e63aaab7cbbac | |
| parent | fa52d995d1d0b64e75f63571df2e57ba22ff0cb1 (diff) | |
| download | linux-29441ab3a30a1a5e2dc35ea519bbd5dd210b7666.tar.gz | |
perf test lock_contention.sh: Skip test if not enough CPUs
Machines with less then 4 CPUs weren't consistently triggering lock
events required for the test.
Skip the test on those machines. The limit of 4 CPUs is set as it
generates around 100 lock events for a test.
Signed-off-by: Veronika Molnarova <vmolnaro@redhat.com>
Acked-by: Michael Petlan <mpetlan@redhat.com>
Link: https://lore.kernel.org/r/20230919150419.23193-2-vmolnaro@redhat.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
| -rwxr-xr-x | tools/perf/tests/shell/lock_contention.sh | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/lock_contention.sh b/tools/perf/tests/shell/lock_contention.sh index 966e67db75f356..d5a191d3d0906f 100755 --- a/tools/perf/tests/shell/lock_contention.sh +++ b/tools/perf/tests/shell/lock_contention.sh @@ -32,6 +32,12 @@ check() { err=2 exit fi + + if [ `nproc` -lt 4 ]; then + echo "[Skip] Low number of CPUs (`nproc`), lock event cannot be triggered certainly" + err=2 + exit + fi } test_record() |