https://stackoverflow.com/questions/24406743/coreos-get-docker-container-name-by-pid
cat /proc/<process-pid>/cgroup
如下所示
root@ubuntu:/home/test/test# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
238bb8dfb72b tomcat:7 "/bin/bash" 32 minutes ago Up 32 minutes 8080/tcp blissful_noyce
root@ubuntu:/home/test/test# cat /proc/189439/cgroup
13:freezer:/docker/238bb8dfb72b687af8fc88ab31376b862d91c4078859f560c7974a88e79d3b51
12:hugetlb:/do