tests/test_meminfo_hierarchy.sh

   1 #!/bin/bash
   2
   3 set -eux
   4
   5 LXCFSDIR=${LXCFSDIR:-/var/lib/lxcfs}
   6
   7 cg1=$(uuidgen).$$
   8 cg2=$(uuidgen).$$
   9
  10 cleanup() {
  11         if [ $FAILED -eq 1 ]; then
  12                 echo "Failed"
  13                 exit 1
  14         fi
  15         echo "Passed"
  16         exit 0
  17 }
  18
  19 FAILED=1
  20 trap cleanup EXIT HUP INT TERM
  21
  22 [ ! -d /sys/fs/cgroup/memory ] && exit 0
  23 initmemory=`awk -F: '/memory/ { print $3 }' /proc/1/cgroup`
  24 mempath=/sys/fs/cgroup/memory/${initmemory}
  25 rmdir ${mempath}/${cg1} || true
  26 rmdir ${mempath}/${cg2} || true
  27 mkdir ${mempath}/${cg1}
  28
  29 echo 500000000 > ${mempath}/${cg1}/memory.limit_in_bytes
  30 echo 1 > ${mempath}/${cg1}/tasks
  31
  32 m1=`awk '/^MemTotal:/ { print $2 }' ${LXCFSDIR}/proc/meminfo`
  33 mkdir ${mempath}/${cg1}/${cg2}
  34 echo 1 > ${mempath}/${cg1}/${cg2}/tasks
  35 m2=`awk '/^MemTotal:/ { print $2 }' ${LXCFSDIR}/proc/meminfo`
  36 [ $m1 -eq $m2 ]
  37
  38 FAILED=0