tests/test_cgroup

   1 #!/bin/sh -eux
   2
   3 PASS=0
   4 UUID=$(uuidgen)
   5
   6 cleanup() {
   7     [ "$PASS" = "1" ] || (echo FAIL && exit 1)
   8 }
   9
  10 LXCFSDIR=${LXCFSDIR:-/var/lib/lxcfs}
  11
  12 trap cleanup EXIT HUP INT TERM
  13
  14 if ! mountpoint -q ${LXCFSDIR}; then
  15     echo "lxcfs isn't mounted on ${LXCFSDIR}"
  16     exit 1
  17 fi
  18
  19 for c in memory freezer cpuset; do
  20         [ ! -d /sys/fs/cgroup/${c} ] && exit 0
  21 done
  22
  23 initcpuset=`awk -F: '/cpuset/ { print $3 }' /proc/1/cgroup`
  24 initmemory=`awk -F: '/memory/ { print $3 }' /proc/1/cgroup`
  25 initfreezer=`awk -F: '/freezer/ { print $3 }' /proc/1/cgroup`
  26
  27 cpupath=/sys/fs/cgroup/cpuset/${initcpuset}
  28 mempath=/sys/fs/cgroup/memory/${initmemory}
  29 frzpath=/sys/fs/cgroup/freezer/${initfreezer}
  30
  31 rmdir ${cpupath}/${UUID} || true
  32 rmdir ${mempath}/${UUID} || true
  33 rmdir ${frzpath}/${UUID} || true
  34 mkdir ${cpupath}/${UUID}
  35 mkdir ${mempath}/${UUID}
  36 mkdir ${frzpath}/${UUID}
  37
  38 # Check that the fs is readable
  39 for p in ${mempath} ${frzpath} ${cpupath}; do
  40         find ${p} > /dev/null
  41         echo 1 > ${p}/${UUID}/tasks
  42 done
  43
  44 # set values though lxcfs
  45 echo $((64*1024*1024)) > ${LXCFSDIR}/cgroup/memory/${initmemory}/${UUID}/memory.limit_in_bytes
  46 echo 0 > ${LXCFSDIR}/cgroup/cpuset/${initcpuset}/${UUID}/cpuset.cpus
  47
  48 # and verify them through cgroupfs
  49 v=`cat $mempath/${UUID}/memory.limit_in_bytes`
  50 [ "$v" = "$((64*1024*1024))" ]
  51 v=`cat ${cpupath}/${UUID}/cpuset.cpus`
  52 [ "$v" = "0" ]
  53
  54 PASS=1
  55 echo PASS