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### Author: Bert de Bruijn <bert+dstat$debruijn,be>
### VMware vmmemctl stats
### Displays ballooning status inside VMware VMs.
### The vmmemctl from the VMware Tools needs to be loaded.
### This plugin has been tested on a VM running CentOS5 with the open-vm-tools, on ESX3.5
# NB Data comes from /proc/vmmemctl
class dstat_plugin(dstat):
def __init__(self):
self.name = 'memctl'
self.nick = ('size',)
self.vars = ('balloon',)
self.type = 'f'
self.width = 6
self.scale = 1024
self.open('/proc/vmmemctl')
def check(self):
try:
os.stat('/proc/vmmemctl')
except:
raise Exception, 'Needs VMware Tools (modprobe vmmemctl)'
def extract(self):
for l in self.splitlines():
if len(l) < 3: continue
if l[0] != 'current:': continue
if l[2] != 'pages': continue
self.val['balloon'] = int(l[1]) * 4096.0
break
# vim:ts=4:sw=4