Commit 29441ab3 authored by Veronika Molnarova's avatar Veronika Molnarova Committed by Namhyung Kim
Browse files

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: default avatarVeronika Molnarova <vmolnaro@redhat.com>
Acked-by: default avatarMichael Petlan <mpetlan@redhat.com>
Link: https://lore.kernel.org/r/20230919150419.23193-2-vmolnaro@redhat.com


Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
parent fa52d995

tools/perf/tests/shell/lock_contention.sh

+6 −0
Original line number Diff line number Diff line
@@ -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()