#!/usr/bin/python2.7
"""
==32266== 1,815,314 bytes in 766 blocks are definitely lost in loss record 421 of 421
==32266==    at 0x4C28BED: malloc (vg_replace_malloc.c:263)
==32266==    by 0x59F238D: xdr_string (xdr.c:709)
==32266==    by 0x6A93AED: xdr_remote_nonnull_string (remote_protocol.c:31)
==32266==    by 0x6A97238: xdr_remote_domain_get_xml_desc_ret (remote_protocol.c:1617)
==32266==    by 0x6AB1D2E: virNetMessageDecodePayload (virnetmessage.c:407)
==32266==    by 0x6AA63F9: virNetClientProgramCall (virnetclientprogram.c:379)
==32266==    by 0x6A775C9: callFull.isra.2 (remote_driver.c:6578)
==32266==    by 0x6A778BE: call.isra.3 (remote_driver.c:6600)
==32266==    by 0x6A7FAEE: remoteDomainGetXMLDesc (remote_client_bodies.h:2122)
==32266==    by 0x6A3547C: virDomainGetXMLDesc (libvirt.c:4380)
==32266==    by 0x66B596D: libvirt_virDomainGetXMLDesc (in /usr/lib/pyshared/python2.7/libvirtmod.so)
==32266==    by 0x4AAF55: PyEval_EvalFrameEx (in /usr/bin/python2.7)
==32266==
==32266== LEAK SUMMARY:
==32266==    definitely lost: 1,815,314 bytes in 766 blocks
==32266==    indirectly lost: 0 bytes in 0 blocks
==32266==      possibly lost: 239,860 bytes in 54 blocks
==32266==    still reachable: 2,182,013 bytes in 1,877 blocks
==32266==         suppressed: 0 bytes in 0 blocks
"""

from gc import collect, garbage
import libvirt
# from lxml import etree as ET
from time import sleep
from os import getpid


def run():
	con = libvirt.open('qemu:///system')
	for name in con.listDefinedDomains():
		dom = con.lookupByName(name)
		xml = dom.XMLDesc(libvirt.VIR_DOMAIN_XML_INACTIVE)
		del xml
		# root = ET.fromstring(xml)
		# uuid = root.findtext('name')
		# print name, uuid


def stat():
	filename = '/proc/%d/statm' % (getpid(),)
	with open(filename, 'r') as statm:
		data = statm.read()
	size, resident, shared, trs, lrs, drs, dt = map(int, data.split())
	return '%d\t%d' % (size, resident)


def main():
	for i in xrange(100):
		run()
		collect()
		print garbage, stat()


if __name__ == '__main__':
	main()