text: ### Author: Dag Wieers <dag@wieers.com>
  
  class dstat_plugin(dstat):
      def __init__(self):
          self.name = 'rpc client'
          self.nick = ('call', 'retr', 'refr')
          self.vars = ('calls', 'retransmits', 'autorefreshes')
          self.type = 'd'
          self.width = 5
          self.scale = 1000
          self.open('/proc/net/rpc/nfs')
  
      def extract(self):
          for l in self.splitlines():
              if not l or l[0] != 'rpc': continue
              for i, name in enumerate(self.vars):
                  self.set2[name] = long(l[i+1])
  
          for name in self.vars:
              self.val[name] = (self.set2[name] - self.set1[name]) * 1.0 / elapsed
  
          if step == op.delay:
              self.set1.update(self.set2)
  
  # vim:ts=4:sw=4:et
  