1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0-or-later 3# Copyright (c) 2019 Petr Vorel <pvorel@suse.cz> 4# Copyright (c) 2018-2019 ARM Ltd. All Rights Reserved. 5 6. tst_test.sh 7 8# Find mountpoint to given subsystem 9# get_cgroup_mountpoint SUBSYSTEM 10# RETURN: 0 if mountpoint found, otherwise 1 11get_cgroup_mountpoint() 12{ 13 local subsystem=$1 14 local mntpoint 15 16 [ $# -eq 0 ] && tst_brk TBROK "get_cgroup_mountpoint: subsystem not defined" 17 18 mntpoint=$(grep cgroup /proc/mounts | grep -w $subsystem | awk '{ print $2 }') 19 [ -z "$mntpoint" ] && return 1 20 21 echo $mntpoint 22 return 0 23} 24 25# Check if given subsystem is supported and enabled 26# is_cgroup_subsystem_available_and_enabled SUBSYSTEM 27# RETURN: 0 if subsystem supported and enabled, otherwise 1 28is_cgroup_subsystem_available_and_enabled() 29{ 30 local val 31 local subsystem=$1 32 33 [ $# -eq 0 ] && tst_brk TBROK "is_cgroup_subsystem_available_and_enabled: subsystem not defined" 34 35 val=$(grep -w $subsystem /proc/cgroups | awk '{ print $4 }') 36 [ "$val" = "1" ] && return 0 37 38 return 1 39} 40