[PATCH 15/17] selftests/cgroup: Test shrinking cpuset.cpus in a remote partition
Guopeng Zhang <[email protected]>
| Newsgroups | org.kernel.vger.cgroups,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest |
|---|---|
| Message-ID | <[email protected]> |
From: Guopeng Zhang <[email protected]> Cover remote partition shrink with and without a local isolated child. Check that removed CPUs return to the top cpuset and that child invalidation preserves isolated CPU accounting. Signed-off-by: Guopeng Zhang <[email protected]> --- tools/testing/selftests/cgroup/test_cpuset_prs.sh | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/tools/testing/selftests/cgroup/test_cpuset_prs.sh b/tools/testing/selftests/cgroup/test_cpuset_prs.sh index 7345e89e22b7..ad01016ddc8d 100755 --- a/tools/testing/selftests/cgroup/test_cpuset_prs.sh +++ b/tools/testing/selftests/cgroup/test_cpuset_prs.sh @@ -520,6 +520,15 @@ REMOTE_TEST_MATRIX=( " C1-4:P1 . C1-2:P1 C2-4:P2 . . \ . . . C1-2 . . p1:3-4|c11:1-2|c12:3-4 \ p1:P1|c11:P1|c12:P-2" + # Shrinking a remote partition must return removed CPUs to the top + # partition even when it has no child partitions. + " C1-4:P1 . . . . . \ + C1-3 . . . . . p1:1-3 p1:P1 ." + # A local child invalidated by a remote parent's CPU change must return + # isolated accounting to the remote parent or the top partition. + " C1-4:P1 . C3-4:P2 . . . \ + C1-3 . . . . . p1:1-3|c11:3 \ + p1:P1|c11:P-2 ." # Cpusets with empty cpuset.cpus should inherit parent's effective_cpus " C1-4:P1 C5-6 C1-2 . C5 . \ . P1 P1 . . . p1:3-4|p2:5-6|c11:1-2|c12:3-4|c21:5|c22:5-6 \ -- 2.43.0