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qubes.py: correctly calculate Xen free memory

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Rafal Wojtczuk 2010-04-10 13:56:43 +02:00 committed by Joanna Rutkowska
parent 5e02d3ebb0
commit e9586a8128
1 changed files with 7 additions and 1 deletions
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8
dom0/qvm-core/qubes.py
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@ -400,6 +400,12 @@ class QubesVm(object):
else:
pass
def get_free_xen_memory(self, session):
hosts = session.xenapi.host.get_all()
host_record = session.xenapi.host.get_record(hosts[0])
host_metrics_record = session.xenapi.host_metrics.get_record(host_record["metrics"])
ret = host_metrics_record["memory_free"]
return long(ret)
def start(self, debug_console = False, verbose = False):
if dry_run:
@ -420,7 +426,7 @@ class QubesVm(object):
mem_required = self.get_mem_static_max()
dom0_mem = dom0_vm.get_mem()
dom0_mem_new = dom0_mem - mem_required
dom0_mem_new = dom0_mem - mem_required + self.get_free_xen_memory(session)
if verbose:
print "--> AppVM required mem : {0}".format(mem_required)
print "--> Dom0 mem after launch : {0}".format(dom0_mem_new)