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cgroup: selftests: Add tests for freezer time
authorTiffany Yang <ynaffit@google.com>
Fri, 22 Aug 2025 01:37:53 +0000 (18:37 -0700)
committerTejun Heo <tj@kernel.org>
Fri, 22 Aug 2025 17:50:52 +0000 (07:50 -1000)
commit7b281a4582c4408add22cc99f221886b50dd0548
treee330ae518f75caa36fb1b71c2f08b8b7d32166b7tree | snapshot
parentafa3701c0e45ecb9e4d160048ca4e353c7489948commit | diff
cgroup: selftests: Add tests for freezer time

Test cgroup v2 freezer time stat. Freezer time accounting should
be independent of other cgroups in the hierarchy and should increase
iff a cgroup is CGRP_FREEZE (regardless of whether it reaches
CGRP_FROZEN).

Skip these tests on systems without freeze time accounting.

Signed-off-by: Tiffany Yang <ynaffit@google.com>
Cc: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
tools/testing/selftests/cgroup/test_freezer.c diff | blob | blame | history
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