selftests: cgroup: Optionally set up v1 environment

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Use the missing mount of the unifier hierarchy as a hint of legacy
system and prepare our own named v1 hierarchy for tests.

The code is only in test_core.c and not cgroup_util.c because other
selftests are related to controllers which will be exposed on v2
hierarchy but named hierarchies are only v1 thing.

Signed-off-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

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Michal Koutný 2025-06-17 15:36:55 +02:00 • committed by Tejun Heo

parent dd7588e455

commit d74cd7864f

1 changed files with 42 additions and 2 deletions

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tools/testing/selftests/cgroup/test_core.c

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