Add a new "-F" option to cpuset.cpus.isolation_full to enable cpuset.cpus.isolation_full for trying out the effect of enabling full CPU isolation.
Signed-off-by: Waiman Long longman@redhat.com --- .../selftests/cgroup/test_cpuset_prs.sh | 23 ++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/cgroup/test_cpuset_prs.sh b/tools/testing/selftests/cgroup/test_cpuset_prs.sh index b5eb1be2248c..2a8f0cb8d252 100755 --- a/tools/testing/selftests/cgroup/test_cpuset_prs.sh +++ b/tools/testing/selftests/cgroup/test_cpuset_prs.sh @@ -32,6 +32,7 @@ NR_CPUS=$(lscpu | grep "^CPU(s):" | sed -e "s/.*:[[:space:]]*//") PROG=$1 VERBOSE=0 DELAY_FACTOR=1 +ISOLATION_FULL= SCHED_DEBUG= while [[ "$1" = -* ]] do @@ -44,7 +45,10 @@ do -d) DELAY_FACTOR=$2 shift ;; - *) echo "Usage: $PROG [-v] [-d <delay-factor>" + -F) ISOLATION_FULL=1 + shift + ;; + *) echo "Usage: $PROG [-v] [-d <delay-factor>] [-F]" exit ;; esac @@ -108,6 +112,22 @@ console_msg() pause 0.01 }
+setup_isolation_full() +{ + ISOL_FULL=${CGROUP2}/cpuset.cpus.isolation_full + if [[ -n "$ISOLATION_FULL" ]] + then + echo 1 > $ISOL_FULL + set -- $(cat $ISOL_FULL) + ISOLATION_FLAGS=$2 + [[ $VERBOSE -gt 0 ]] && { + echo "Full CPU isolation flags: $ISOLATION_FLAGS" + } + else + echo 0 > $ISOL_FULL + fi +} + test_partition() { EXPECTED_VAL=$1 @@ -930,6 +950,7 @@ test_inotify() }
trap cleanup 0 2 3 6 +setup_isolation_full run_state_test TEST_MATRIX test_isolated test_inotify