tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: Chen Ridong <chenridong@huawei.com>
Acked-by: Waiman Long <longman@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
authored by
Chen Ridong
and committed by
Tejun Heo
3f9319c6
1abab1ba
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MAINTAINERS
+1
MAINTAINERS
···
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F: kernel/cgroup/cpuset.c
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F: tools/testing/selftests/cgroup/test_cpuset.c
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F: tools/testing/selftests/cgroup/test_cpuset_prs.sh
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F: tools/testing/selftests/cgroup/test_cpuset_v1_base.sh
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CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)
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M: Johannes Weiner <hannes@cmpxchg.org>
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tools/testing/selftests/cgroup/test_cpuset_v1_base.sh
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tools/testing/selftests/cgroup/test_cpuset_v1_base.sh
···
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# Basc test for cpuset v1 interfaces write/read
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#
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skip_test() {
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echo "$1"
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echo "Test SKIPPED"
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exit 4 # ksft_skip
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}
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write_test() {
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dir=$1
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interface=$2
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value=$3
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original=$(cat $dir/$interface)
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echo "testing $interface $value"
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echo $value > $dir/$interface
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new=$(cat $dir/$interface)
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[[ $value -ne $(cat $dir/$interface) ]] && {
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echo "$interface write $value failed: new:$new"
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exit 1
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}
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}
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[[ $(id -u) -eq 0 ]] || skip_test "Test must be run as root!"
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# Find cpuset v1 mount point
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CPUSET=$(mount -t cgroup | grep cpuset | head -1 | awk '{print $3}')
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[[ -n "$CPUSET" ]] || skip_test "cpuset v1 mount point not found!"
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#
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# Create a test cpuset, read write test
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#
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TDIR=test$$
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[[ -d $CPUSET/$TDIR ]] || mkdir $CPUSET/$TDIR
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ITF_MATRIX=(
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#interface value expect root_only
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'cpuset.cpus 0-1 0-1 0'
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'cpuset.mem_exclusive 1 1 0'
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'cpuset.mem_exclusive 0 0 0'
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'cpuset.mem_hardwall 1 1 0'
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'cpuset.mem_hardwall 0 0 0'
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'cpuset.memory_migrate 1 1 0'
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'cpuset.memory_migrate 0 0 0'
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'cpuset.memory_spread_page 1 1 0'
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'cpuset.memory_spread_page 0 0 0'
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'cpuset.memory_spread_slab 1 1 0'
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'cpuset.memory_spread_slab 0 0 0'
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'cpuset.mems 0 0 0'
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'cpuset.sched_load_balance 1 1 0'
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'cpuset.sched_load_balance 0 0 0'
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'cpuset.sched_relax_domain_level 2 2 0'
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'cpuset.memory_pressure_enabled 1 1 1'
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'cpuset.memory_pressure_enabled 0 0 1'
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)
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run_test()
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{
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cnt="${ITF_MATRIX[@]}"
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for i in "${ITF_MATRIX[@]}" ; do
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args=($i)
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root_only=${args[3]}
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[[ $root_only -eq 1 ]] && {
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write_test "$CPUSET" "${args[0]}" "${args[1]}" "${args[2]}"
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continue
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}
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write_test "$CPUSET/$TDIR" "${args[0]}" "${args[1]}" "${args[2]}"
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done
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}
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run_test
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rmdir $CPUSET/$TDIR
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echo "Test PASSED"
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exit 0