kvm/10-cgroup-blkio/disk-speed.sh

#!/bin/sh -xe

lxc-ls | xargs -i sh -c "lxc-stop -n {} ; lxc-destroy -n {}"

echo "lxc.network.type = empty" > blkio.conf

PATH=$(pwd):$PATH lxc-create -f blkio.conf -t busybox -n disk1
PATH=$(pwd):$PATH lxc-create -f blkio.conf -t busybox -n disk2
PATH=$(pwd):$PATH lxc-create -f blkio.conf -t busybox -n disk3

lxc-ls | xargs -i dd if=/dev/zero of=/var/lib/lxc/{}/rootfs/tmp/zero bs=1M count=100

cat > /tmp/speed.sh <<EOF
#!/bin/sh
while true ; do
        sync ; echo 3 > /proc/sys/vm/drop_caches
        dd if=/tmp/zero of=/dev/null 2>&1
done | grep MB
EOF

chmod +x /tmp/speed.sh

lxc-ls | xargs -i cp /tmp/speed.sh /var/lib/lxc/{}/rootfs/tmp/speed.sh

lxc-ls | xargs -i lxc-start -d -n {}

1	#!/bin/sh -xe
2
3	lxc-ls \| xargs -i sh -c "lxc-stop -n {} ; lxc-destroy -n {}"
4
5	echo "lxc.network.type = empty" > blkio.conf
6
7	PATH=$(pwd):$PATH lxc-create -f blkio.conf -t busybox -n disk1
8	PATH=$(pwd):$PATH lxc-create -f blkio.conf -t busybox -n disk2
9	PATH=$(pwd):$PATH lxc-create -f blkio.conf -t busybox -n disk3
10
11	lxc-ls \| xargs -i dd if=/dev/zero of=/var/lib/lxc/{}/rootfs/tmp/zero bs=1M count=100
12
13	cat > /tmp/speed.sh <<EOF
14	#!/bin/sh
15	while true ; do
16	sync ; echo 3 > /proc/sys/vm/drop_caches
17	dd if=/tmp/zero of=/dev/null 2>&1
18	done \| grep MB
19	EOF
20
21	chmod +x /tmp/speed.sh
22
23	lxc-ls \| xargs -i cp /tmp/speed.sh /var/lib/lxc/{}/rootfs/tmp/speed.sh
24
25	lxc-ls \| xargs -i lxc-start -d -n {}
26