Attachment 6813 Details for Bug 36640

Simple test script

val.py (text/plain), 1.98 KB, created by Philipp Hahn on 2015-04-09 09:17 CEST

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Creator: Philipp Hahn

Created: 2015-04-09 09:17 CEST

Size: 1.98 KB

patch

obsolete

>#!/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()

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