github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-24 06:24:02 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

selftests/cgroup: Avoid awk -e in cpuset tests

Browse Source 
The cpuset selftests use awk -e to parse cgroup mount points. This
works with gawk, but mawk rejects the option. In test_cpuset_prs.sh,
this leaves CGROUP2 empty and causes the test to skip as if cgroup v2
were not mounted. The same non-portable invocation exists in the cpuset
v1 hotplug test.

The scripts only need to pass a single awk program. Use the standard awk
invocation without -e so mount point detection works with awk
implementations that do not support the gawk extension.

Fixes: a8c52eba88 ("kselftest/cgroup: Add cpuset v2 partition root state test")
Fixes: 812c5945bd ("cgroup/cpuset: Add test_cpuset_v1_hp.sh")
Signed-off-by: Rui Qi <qirui.001@bytedance.com>
Acked-by: Waiman Long <longman@redhat.com>
Reviewed-by: Ridong Chen <ridong.chen@linux.dev>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Rui Qi 2026-08-09 16:21:10 +08:00 committed by Tejun Heo
parent 26d3a59e02
commit 75e79a2019
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/testing/selftests/cgroup/test_cpuset_prs.sh
View File

@ -20,7 +20,7 @@ skip_test() {
WAIT_INOTIFY=$(cd $(dirname $0); pwd)/wait_inotify
# Find cgroup v2 mount point
CGROUP2=$(mount -t cgroup2 | head -1 | awk -e '{print $3}')
CGROUP2=$(mount -t cgroup2 | head -1 | awk '{print $3}')
[[ -n "$CGROUP2" ]] || skip_test "Cgroup v2 mount point not found!"
SUBPARTS_CPUS=$CGROUP2/.__DEBUG__.cpuset.cpus.subpartitions
CPULIST=$(cat $CGROUP2/cpuset.cpus.effective)

2
tools/testing/selftests/cgroup/test_cpuset_v1_hp.sh
View File

@ -14,7 +14,7 @@ skip_test() {
[[ $(id -u) -eq 0 ]] || skip_test "Test must be run as root!"
# Find cpuset v1 mount point
CPUSET=$(mount -t cgroup | grep cpuset | head -1 | awk -e '{print $3}')
CPUSET=$(mount -t cgroup | grep cpuset | head -1 | awk '{print $3}')
[[ -n "$CPUSET" ]] || skip_test "cpuset v1 mount point not found!"
#