mirror of
https://github.com/opencontainers/runc.git
synced 2025-09-27 03:46:19 +08:00
2c70d23840
Heavily based on work by Paweł Szulik <pawel.szulik@intel.com> Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
262 lines
11 KiB
Go
262 lines
11 KiB
Go
// +build linux
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package intelrdt
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import (
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"io"
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"strings"
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"testing"
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)
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func TestIntelRdtSetL3CacheSchema(t *testing.T) {
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if !IsCatEnabled() {
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return
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}
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helper := NewIntelRdtTestUtil(t)
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defer helper.cleanup()
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const (
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l3CacheSchemaBefore = "L3:0=f;1=f0"
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l3CacheSchemeAfter = "L3:0=f0;1=f"
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)
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helper.writeFileContents(map[string]string{
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"schemata": l3CacheSchemaBefore + "\n",
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})
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helper.IntelRdtData.config.IntelRdt.L3CacheSchema = l3CacheSchemeAfter
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intelrdt := &IntelRdtManager{
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Config: helper.IntelRdtData.config,
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Path: helper.IntelRdtPath,
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}
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if err := intelrdt.Set(helper.IntelRdtData.config); err != nil {
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t.Fatal(err)
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}
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tmpStrings, err := getIntelRdtParamString(helper.IntelRdtPath, "schemata")
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if err != nil {
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t.Fatalf("Failed to parse file 'schemata' - %s", err)
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}
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values := strings.Split(tmpStrings, "\n")
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value := values[0]
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if value != l3CacheSchemeAfter {
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t.Fatal("Got the wrong value, set 'schemata' failed.")
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}
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}
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func TestIntelRdtSetMemBwSchema(t *testing.T) {
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if !IsMbaEnabled() {
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return
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}
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helper := NewIntelRdtTestUtil(t)
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defer helper.cleanup()
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const (
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memBwSchemaBefore = "MB:0=20;1=70"
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memBwSchemeAfter = "MB:0=70;1=20"
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)
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helper.writeFileContents(map[string]string{
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"schemata": memBwSchemaBefore + "\n",
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})
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helper.IntelRdtData.config.IntelRdt.MemBwSchema = memBwSchemeAfter
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intelrdt := &IntelRdtManager{
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Config: helper.IntelRdtData.config,
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Path: helper.IntelRdtPath,
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}
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if err := intelrdt.Set(helper.IntelRdtData.config); err != nil {
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t.Fatal(err)
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}
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tmpStrings, err := getIntelRdtParamString(helper.IntelRdtPath, "schemata")
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if err != nil {
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t.Fatalf("Failed to parse file 'schemata' - %s", err)
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}
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values := strings.Split(tmpStrings, "\n")
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value := values[0]
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if value != memBwSchemeAfter {
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t.Fatal("Got the wrong value, set 'schemata' failed.")
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}
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}
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func TestIntelRdtSetMemBwScSchema(t *testing.T) {
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if !IsMbaScEnabled() {
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return
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}
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helper := NewIntelRdtTestUtil(t)
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defer helper.cleanup()
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const (
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memBwScSchemaBefore = "MB:0=5000;1=7000"
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memBwScSchemeAfter = "MB:0=9000;1=4000"
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)
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helper.writeFileContents(map[string]string{
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"schemata": memBwScSchemaBefore + "\n",
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})
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helper.IntelRdtData.config.IntelRdt.MemBwSchema = memBwScSchemeAfter
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intelrdt := &IntelRdtManager{
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Config: helper.IntelRdtData.config,
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Path: helper.IntelRdtPath,
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}
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if err := intelrdt.Set(helper.IntelRdtData.config); err != nil {
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t.Fatal(err)
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}
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tmpStrings, err := getIntelRdtParamString(helper.IntelRdtPath, "schemata")
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if err != nil {
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t.Fatalf("Failed to parse file 'schemata' - %s", err)
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}
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values := strings.Split(tmpStrings, "\n")
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value := values[0]
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if value != memBwScSchemeAfter {
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t.Fatal("Got the wrong value, set 'schemata' failed.")
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}
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}
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const (
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mountinfoValid = `18 40 0:18 / /sys rw,nosuid,nodev,noexec,relatime shared:6 - sysfs sysfs rw
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19 40 0:3 / /proc rw,nosuid,nodev,noexec,relatime shared:5 - proc proc rw
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20 40 0:5 / /dev rw,nosuid shared:2 - devtmpfs devtmpfs rw,size=131927256k,nr_inodes=32981814,mode=755
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21 18 0:17 / /sys/kernel/security rw,nosuid,nodev,noexec,relatime shared:7 - securityfs securityfs rw
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22 20 0:19 / /dev/shm rw,nosuid,nodev shared:3 - tmpfs tmpfs rw
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23 20 0:12 / /dev/pts rw,nosuid,noexec,relatime shared:4 - devpts devpts rw,gid=5,mode=620,ptmxmode=000
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24 40 0:20 / /run rw,nosuid,nodev shared:22 - tmpfs tmpfs rw,mode=755
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25 18 0:21 / /sys/fs/cgroup ro,nosuid,nodev,noexec shared:8 - tmpfs tmpfs ro,mode=755
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26 25 0:22 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime shared:9 - cgroup cgroup rw,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd
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27 18 0:23 / /sys/fs/pstore rw,nosuid,nodev,noexec,relatime shared:20 - pstore pstore rw
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28 25 0:24 / /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime shared:10 - cgroup cgroup rw,perf_event
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29 25 0:25 / /sys/fs/cgroup/cpu,cpuacct rw,nosuid,nodev,noexec,relatime shared:11 - cgroup cgroup rw,cpuacct,cpu
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30 25 0:26 / /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime shared:12 - cgroup cgroup rw,memory
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31 25 0:27 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime shared:13 - cgroup cgroup rw,devices
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32 25 0:28 / /sys/fs/cgroup/hugetlb rw,nosuid,nodev,noexec,relatime shared:14 - cgroup cgroup rw,hugetlb
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33 25 0:29 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime shared:15 - cgroup cgroup rw,blkio
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34 25 0:30 / /sys/fs/cgroup/pids rw,nosuid,nodev,noexec,relatime shared:16 - cgroup cgroup rw,pids
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35 25 0:31 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime shared:17 - cgroup cgroup rw,cpuset
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36 25 0:32 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime shared:18 - cgroup cgroup rw,freezer
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37 25 0:33 / /sys/fs/cgroup/net_cls,net_prio rw,nosuid,nodev,noexec,relatime shared:19 - cgroup cgroup rw,net_prio,net_cls
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38 18 0:34 / /sys/kernel/config rw,relatime shared:21 - configfs configfs rw
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40 0 253:0 / / rw,relatime shared:1 - ext4 /dev/mapper/vvrg-vvrg rw,data=ordered
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16 18 0:6 / /sys/kernel/debug rw,relatime shared:23 - debugfs debugfs rw
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41 18 0:16 / /sys/fs/resctrl rw,relatime shared:24 - resctrl resctrl rw
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42 20 0:36 / /dev/hugepages rw,relatime shared:25 - hugetlbfs hugetlbfs rw
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43 19 0:37 / /proc/sys/fs/binfmt_misc rw,relatime shared:26 - autofs systemd-1 rw,fd=32,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=35492
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44 20 0:15 / /dev/mqueue rw,relatime shared:27 - mqueue mqueue rw
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45 40 8:1 / /boot rw,relatime shared:28 - ext4 /dev/sda1 rw,stripe=4,data=ordered
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46 40 253:1 / /home rw,relatime shared:29 - ext4 /dev/mapper/vvhg-vvhg rw,data=ordered
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47 40 0:38 / /var/lib/nfs/rpc_pipefs rw,relatime shared:30 - rpc_pipefs sunrpc rw
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125 24 0:20 /mesos/containers /run/mesos/containers rw,nosuid shared:22 - tmpfs tmpfs rw,mode=755
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123 40 253:0 /var/lib/docker/containers /var/lib/docker/containers rw,relatime - ext4 /dev/mapper/vvrg-vvrg rw,data=ordered
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129 40 253:0 /var/lib/docker/overlay2 /var/lib/docker/overlay2 rw,relatime - ext4 /dev/mapper/vvrg-vvrg rw,data=ordered
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119 24 0:39 / /run/user/1009 rw,nosuid,nodev,relatime shared:100 - tmpfs tmpfs rw,size=26387788k,mode=700,uid=1009,gid=1009`
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mountinfoMbaSc = `18 40 0:18 / /sys rw,nosuid,nodev,noexec,relatime shared:6 - sysfs sysfs rw
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19 40 0:3 / /proc rw,nosuid,nodev,noexec,relatime shared:5 - proc proc rw
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20 40 0:5 / /dev rw,nosuid shared:2 - devtmpfs devtmpfs rw,size=131927256k,nr_inodes=32981814,mode=755
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21 18 0:17 / /sys/kernel/security rw,nosuid,nodev,noexec,relatime shared:7 - securityfs securityfs rw
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22 20 0:19 / /dev/shm rw,nosuid,nodev shared:3 - tmpfs tmpfs rw
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23 20 0:12 / /dev/pts rw,nosuid,noexec,relatime shared:4 - devpts devpts rw,gid=5,mode=620,ptmxmode=000
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24 40 0:20 / /run rw,nosuid,nodev shared:22 - tmpfs tmpfs rw,mode=755
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25 18 0:21 / /sys/fs/cgroup ro,nosuid,nodev,noexec shared:8 - tmpfs tmpfs ro,mode=755
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26 25 0:22 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime shared:9 - cgroup cgroup rw,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd
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27 18 0:23 / /sys/fs/pstore rw,nosuid,nodev,noexec,relatime shared:20 - pstore pstore rw
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28 25 0:24 / /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime shared:10 - cgroup cgroup rw,perf_event
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29 25 0:25 / /sys/fs/cgroup/cpu,cpuacct rw,nosuid,nodev,noexec,relatime shared:11 - cgroup cgroup rw,cpuacct,cpu
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30 25 0:26 / /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime shared:12 - cgroup cgroup rw,memory
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31 25 0:27 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime shared:13 - cgroup cgroup rw,devices
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32 25 0:28 / /sys/fs/cgroup/hugetlb rw,nosuid,nodev,noexec,relatime shared:14 - cgroup cgroup rw,hugetlb
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33 25 0:29 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime shared:15 - cgroup cgroup rw,blkio
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34 25 0:30 / /sys/fs/cgroup/pids rw,nosuid,nodev,noexec,relatime shared:16 - cgroup cgroup rw,pids
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35 25 0:31 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime shared:17 - cgroup cgroup rw,cpuset
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36 25 0:32 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime shared:18 - cgroup cgroup rw,freezer
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37 25 0:33 / /sys/fs/cgroup/net_cls,net_prio rw,nosuid,nodev,noexec,relatime shared:19 - cgroup cgroup rw,net_prio,net_cls
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38 18 0:34 / /sys/kernel/config rw,relatime shared:21 - configfs configfs rw
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40 0 253:0 / / rw,relatime shared:1 - ext4 /dev/mapper/vvrg-vvrg rw,data=ordered
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16 18 0:6 / /sys/kernel/debug rw,relatime shared:23 - debugfs debugfs rw
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41 18 0:16 / /sys/fs/resctrl rw,relatime shared:24 - resctrl resctrl rw,mba_MBps
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42 20 0:36 / /dev/hugepages rw,relatime shared:25 - hugetlbfs hugetlbfs rw
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43 19 0:37 / /proc/sys/fs/binfmt_misc rw,relatime shared:26 - autofs systemd-1 rw,fd=32,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=35492
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44 20 0:15 / /dev/mqueue rw,relatime shared:27 - mqueue mqueue rw
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45 40 8:1 / /boot rw,relatime shared:28 - ext4 /dev/sda1 rw,stripe=4,data=ordered
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46 40 253:1 / /home rw,relatime shared:29 - ext4 /dev/mapper/vvhg-vvhg rw,data=ordered
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47 40 0:38 / /var/lib/nfs/rpc_pipefs rw,relatime shared:30 - rpc_pipefs sunrpc rw
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125 24 0:20 /mesos/containers /run/mesos/containers rw,nosuid shared:22 - tmpfs tmpfs rw,mode=755
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123 40 253:0 /var/lib/docker/containers /var/lib/docker/containers rw,relatime - ext4 /dev/mapper/vvrg-vvrg rw,data=ordered
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129 40 253:0 /var/lib/docker/overlay2 /var/lib/docker/overlay2 rw,relatime - ext4 /dev/mapper/vvrg-vvrg rw,data=ordered
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119 24 0:39 / /run/user/1009 rw,nosuid,nodev,relatime shared:100 - tmpfs tmpfs rw,size=26387788k,mode=700,uid=1009,gid=1009`
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)
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func TestFindIntelRdtMountpointDir(t *testing.T) {
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testCases := []struct {
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name string
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input io.Reader
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isNotFoundError bool
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isError bool
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isMbaScEnabled bool
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mountpoint string
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}{
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{
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name: "Valid mountinfo with MBA Software Controller disabled",
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input: strings.NewReader(mountinfoValid),
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mountpoint: "/sys/fs/resctrl",
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},
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{
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name: "Valid mountinfo with MBA Software Controller enabled",
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input: strings.NewReader(mountinfoMbaSc),
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isMbaScEnabled: true,
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mountpoint: "/sys/fs/resctrl",
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},
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{
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name: "Empty mountinfo",
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input: strings.NewReader(""),
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isNotFoundError: true,
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},
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{
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name: "Broken mountinfo",
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input: strings.NewReader("baa"),
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isError: true,
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},
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}
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t.Parallel()
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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mp, err := findIntelRdtMountpointDir(tc.input)
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if tc.isNotFoundError {
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if !IsNotFound(err) {
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t.Errorf("expected IsNotFound error, got %+v", err)
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}
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return
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}
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if tc.isError {
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if err == nil {
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t.Error("expected error, got nil")
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}
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return
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}
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if err != nil {
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t.Errorf("expected nil, got %+v", err)
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return
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}
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// no errors, check the results
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if tc.isMbaScEnabled != isMbaScEnabled {
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t.Errorf("expected isMbaScEnabled=%v, got %v",
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tc.isMbaScEnabled, isMbaScEnabled)
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}
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if tc.mountpoint != mp {
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t.Errorf("expected mountpoint=%q, got %q",
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tc.mountpoint, mp)
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}
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})
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}
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}
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