Commit 3f9319c6 authored by Chen Ridong's avatar Chen Ridong Committed by Tejun Heo
Browse files

cgroup/cpuset: add sefltest for cpuset v1 



There is only hotplug test for cpuset v1, just add base read/write test
for cpuset v1.

Signed-off-by: default avatarChen Ridong <chenridong@huawei.com>
Acked-by: default avatarWaiman Long <longman@redhat.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 1abab1ba

MAINTAINERS

+1 −0
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@@ -5703,6 +5703,7 @@ F: kernel/cgroup/cpuset-v1.c 
F:	kernel/cgroup/cpuset.c

F:	tools/testing/selftests/cgroup/test_cpuset.c

F:	tools/testing/selftests/cgroup/test_cpuset_prs.sh

F:	tools/testing/selftests/cgroup/test_cpuset_v1_base.sh









CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)









M:	Johannes Weiner <hannes@cmpxchg.org>
































tools/testing/selftests/cgroup/test_cpuset_v1_base.sh
0 → 100755



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#!/bin/bash









# SPDX-License-Identifier: GPL-2.0









#









# Basc test for cpuset v1 interfaces write/read









#



















skip_test() {









	echo "$1"









	echo "Test SKIPPED"









	exit 4 # ksft_skip









}



















write_test() {









	dir=$1









	interface=$2









	value=$3









	original=$(cat $dir/$interface)









	echo "testing $interface $value"









	echo $value > $dir/$interface









	new=$(cat $dir/$interface)









	[[ $value -ne $(cat $dir/$interface) ]] && {









		echo "$interface write $value failed: new:$new"









		exit 1









	}









}



















[[ $(id -u) -eq 0 ]] || skip_test "Test must be run as root!"



















# Find cpuset v1 mount point









CPUSET=$(mount -t cgroup | grep cpuset | head -1 | awk '{print $3}')









[[ -n "$CPUSET" ]] || skip_test "cpuset v1 mount point not found!"



















#









# Create a test cpuset, read write test









#









TDIR=test$$









[[ -d $CPUSET/$TDIR ]] || mkdir $CPUSET/$TDIR



















ITF_MATRIX=(









	#interface			value		expect 	root_only









	'cpuset.cpus			0-1		0-1	0'









	'cpuset.mem_exclusive		1		1	0'









	'cpuset.mem_exclusive		0		0	0'









	'cpuset.mem_hardwall		1		1	0'









	'cpuset.mem_hardwall		0		0	0'









	'cpuset.memory_migrate		1		1	0'









	'cpuset.memory_migrate		0		0	0'









	'cpuset.memory_spread_page	1		1	0'









	'cpuset.memory_spread_page	0		0	0'









	'cpuset.memory_spread_slab	1		1	0'









	'cpuset.memory_spread_slab	0		0	0'









	'cpuset.mems			0		0	0'









	'cpuset.sched_load_balance	1		1	0'









	'cpuset.sched_load_balance	0		0	0'









	'cpuset.sched_relax_domain_level	2	2	0'









	'cpuset.memory_pressure_enabled	1		1	1'









	'cpuset.memory_pressure_enabled	0		0	1'









)



















run_test()









{









	cnt="${ITF_MATRIX[@]}"









	for i in "${ITF_MATRIX[@]}" ; do









		args=($i)









		root_only=${args[3]}









		[[ $root_only -eq 1 ]] && {









			write_test "$CPUSET" "${args[0]}" "${args[1]}" "${args[2]}"









			continue









		}









		write_test "$CPUSET/$TDIR" "${args[0]}" "${args[1]}" "${args[2]}"









	done









}



















run_test









rmdir $CPUSET/$TDIR









echo "Test PASSED"









exit 0