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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] = ( long(l[6]), long(l[9]) ) if name != 'lo0': self.set2['total'] = ( self.set2['total'][0] + long(l[6]), self.set2['total'][1] + long(l[9]) ) if update: for name in self.set2.keys(): self.val[name] = ( (self.set2[name][0] - self.set1[name][0]) * 1.0 / elapsed, (self.set2[name][1] - self.set1[name][1]) * 1.0 / elapsed, ) if step == op.delay: self.set1.update(self.set2) # vim:ts=4:sw=4