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- #!/bin/sh
- # SPDX-License-Identifier: GPL-2.0-or-later
- # Copyright (c) 2019 Petr Vorel <pvorel@suse.cz>
- # Copyright (c) 2018-2019 ARM Ltd. All Rights Reserved.
- . tst_test.sh
- # Find mountpoint to given subsystem
- # get_cgroup_mountpoint SUBSYSTEM
- # RETURN: 0 if mountpoint found, otherwise 1
- get_cgroup_mountpoint()
- {
- local subsystem=$1
- local mntpoint
- [ $# -eq 0 ] && tst_brk TBROK "get_cgroup_mountpoint: subsystem not defined"
- mntpoint=$(grep cgroup /proc/mounts | grep -w $subsystem | awk '{ print $2 }')
- [ -z "$mntpoint" ] && return 1
- echo $mntpoint
- return 0
- }
- # Check if given subsystem is supported and enabled
- # is_cgroup_subsystem_available_and_enabled SUBSYSTEM
- # RETURN: 0 if subsystem supported and enabled, otherwise 1
- is_cgroup_subsystem_available_and_enabled()
- {
- local val
- local subsystem=$1
- [ $# -eq 0 ] && tst_brk TBROK "is_cgroup_subsystem_available_and_enabled: subsystem not defined"
- val=$(grep -w $subsystem /proc/cgroups | awk '{ print $4 }')
- [ "$val" = "1" ] && return 0
- return 1
- }
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