watch cgroup memory

checkcgrouprams.sh

#!/bin/bash
cd /sys/fs/cgroup/memory
while [[ /bin/true ]];do
  date
  for item in $(ls memory.*usage*); do echo $item $(echo echo $(echo $(cat $item) /1024/1024 |bc))M;done
  echo "container count $(docker ps -a|wc -l)"
  echo
  sleep 10s
done