cgroups

gistfile1.py

import tarfile, re

cpusage = re.compile ("sys/fs/cgroup/cpuacct/lxc/.*/cpuacct.usage$")
ainput = tarfile.open ("input.tgz","r:gz")
res_value = 0
for i in ainput:
	if cpusage.search(i.name)!=None:
		l = ainput.extractfile(i.name)
		current = int(l.readline())
		if (current > res_value):
			res_value = current
			res_name = i.name.split('/')[5]
			

ainput.close()		
output = open("output.txt","w")
output.write(res_name)
output.close()