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Message-ID: <20240805013019.724300-6-longman@redhat.com>
Date: Sun, 4 Aug 2024 21:30:19 -0400
From: Waiman Long <longman@...hat.com>
To: Tejun Heo <tj@...nel.org>,
Zefan Li <lizefan.x@...edance.com>,
Johannes Weiner <hannes@...xchg.org>,
Michal Koutný <mkoutny@...e.com>,
Shuah Khan <shuah@...nel.org>
Cc: linux-kernel@...r.kernel.org,
cgroups@...r.kernel.org,
linux-kselftest@...r.kernel.org,
Chen Ridong <chenridong@...wei.com>,
Waiman Long <longman@...hat.com>
Subject: [PATCH-cgroup 5/5] selftest/cgroup: Add new test cases to test_cpuset_prs.sh
Add new test cases to test_cpuset_prs.sh to cover corner cases reported
in previous fix commits.
Signed-off-by: Waiman Long <longman@...hat.com>
---
tools/testing/selftests/cgroup/test_cpuset_prs.sh | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/cgroup/test_cpuset_prs.sh b/tools/testing/selftests/cgroup/test_cpuset_prs.sh
index 7c08cc153367..7295424502b9 100755
--- a/tools/testing/selftests/cgroup/test_cpuset_prs.sh
+++ b/tools/testing/selftests/cgroup/test_cpuset_prs.sh
@@ -321,7 +321,7 @@ TEST_MATRIX=(
# old-A1 old-A2 old-A3 old-B1 new-A1 new-A2 new-A3 new-B1 fail ECPUs Pstate ISOLCPUS
# ------ ------ ------ ------ ------ ------ ------ ------ ---- ----- ------ --------
#
- # Incorrect change to cpuset.cpus invalidates partition root
+ # Incorrect change to cpuset.cpus[.exclusive] invalidates partition root
#
# Adding CPUs to partition root that are not in parent's
# cpuset.cpus is allowed, but those extra CPUs are ignored.
@@ -365,6 +365,16 @@ TEST_MATRIX=(
# cpuset.cpus can overlap with sibling cpuset.cpus.exclusive but not subsumed by it
" C0-3 . . C4-5 X5 . . . 0 A1:0-3,B1:4-5"
+ # Child partition root that try to take all CPUs from parent partition
+ # with tasks will remain invalid.
+ " C1-4:P1:S+ P1 . . . . . . 0 A1:1-4,A2:1-4 A1:P1,A2:P-1"
+ " C1-4:P1:S+ P1 . . . C1-4 . . 0 A1,A2:1-4 A1:P1,A2:P1"
+ " C1-4:P1:S+ P1 . . T C1-4 . . 0 A1:1-4,A2:1-4 A1:P1,A2:P-1"
+
+ # Clearing of cpuset.cpus with a preset cpuset.cpus.exclusive shouldn't
+ # affect cpuset.cpus.exclusive.effective.
+ " C1-4:X3:S+ C1:X3 . . . C . . 0 A2:1-4,XA2:3"
+
# old-A1 old-A2 old-A3 old-B1 new-A1 new-A2 new-A3 new-B1 fail ECPUs Pstate ISOLCPUS
# ------ ------ ------ ------ ------ ------ ------ ------ ---- ----- ------ --------
# Failure cases:
--
2.43.5
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