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### Author: Bert de Bruijn <bert+dstat$debruijn,be>
### VMware ESX kernel vmknic stats
### Displays VMkernel port statistics on VMware ESX servers
# NOTE TO USERS: command-line plugin configuration is not yet possible, so I've
# "borrowed" the -N argument.
# EXAMPLES:
# # dstat --vmknic -N vmk1
# You can even combine the Linux and VMkernel network stats (just don't just "total").
# # dstat --vmknic -n -N vmk0,vswif0
# NB Data comes from /proc/vmware/net/tcpip/ifconfig
class dstat_plugin(dstat):
def __init__(self):
self.name = 'vmknic'
self.nick = ('recv', 'send')
self.open('/proc/vmware/net/tcpip/ifconfig')
self.cols = 2
def check(self):
try:
os.listdir('/proc/vmware')
except:
raise Exception('Needs VMware ESX')
info(1, 'The vmknic module is an EXPERIMENTAL module.')
def discover(self, *list):
ret = []
for l in self.fd[0].splitlines(replace=' /', delim='/'):
if len(l) != 12: continue
if l[2][:5] == '<Link': continue
if ','.join(l) == 'Name,Mtu/TSO,Network,Address,Ipkts,Ierrs,Ibytes,Opkts,Oerrs,Obytes,Coll,Time': continue
if l[0] == 'lo0': continue
if l[0] == 'Usage:': continue
ret.append(l[0])
ret.sort()
for item in list: ret.append(item)
return ret
def vars(self):
ret = []
if op.netlist:
list = op.netlist
else:
list = self.discover
list.sort()
for name in list:
if name in self.discover + ['total']:
ret.append(name)
return ret
def name(self):
return ['net/'+name for name in self.vars]
def extract(self):
self.set2['total'] = [0, 0]
for line in self.fd[0].readlines():
l = line.replace(' /','/').split()
if len(l) != 12: continue
if l[2][:5] == '<Link': continue
if ','.join(l) == 'Name,Mtu/TSO,Network,Address,Ipkts,Ierrs,Ibytes,Opkts,Oerrs,Obytes,Coll,Time': continue
if l[0] == 'Usage:': continue
name = l[0]
if name in self.vars:
self.set2[name] = ( int(l[6]), int(l[9]) )
if name != 'lo0':
self.set2['total'] = ( self.set2['total'][0] + int(l[6]), self.set2['total'][1] + int(l[9]) )
if update:
for name in self.set2:
self.val[name] = list(map(lambda x, y: (y - x) * 1.0 / elapsed, self.set1[name], self.set2[name]))
if step == op.delay:
self.set1.update(self.set2)
# vim:ts=4:sw=4
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