zdtm: cgroup04: Improve skip check's robustness.

cgroup04 test needs full control over mem and devices cgroup hierarchies. Make the test's .checkskip script better at detecting if the cgroups are available for use. Signed-off-by: Michał Mirosław <[email protected]>
checkpoint-restore · Jun 16, 2023 · 7b42582 · 7b42582
1 parent 81a7418
commit 7b42582
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/test/zdtm/static/cgroup04.checkskip b/test/zdtm/static/cgroup04.checkskip
@@ -1,3 +1,10 @@
 #!/bin/bash
 
-! test -f /sys/fs/cgroup/cgroup.controllers
+test -f /sys/fs/cgroup/cgroup.controllers && exit 1
+
+grep -q 'cgroup rw,' /proc/mounts && exit 1
+
+if [[ -r /proc/config.gz ]]; then
+  zcat /proc/config.gz | grep -q ^CONFIG_MEMCG= || exit 1
+  zcat /proc/config.gz | grep -q ^CONFIG_CGROUP_DEVICE= || exit 1
+fi