old_contents: ### Author: Dag Wieers <dag@wieers.com>
  
  class dstat_plugin(dstat):
      """
      Top interrupt
  
      Displays the name of the most frequent interrupt
      """
      def __init__(self):
          self.name = 'most frequent'
          self.vars = ('interrupt',)
          self.type = 's'
          self.width = 20
          self.scale = 0
          self.intset1 = [ 0 ] * 256
          self.open('/proc/stat')
          self.names = self.names()
  
      def names(self):
          ret = {}
          for line in dopen('/proc/interrupts'):
              l = line.split()
              if len(l) <= cpunr: continue
              l1 = l[0].split(':')[0]
              ### Cleanup possible names from /proc/interrupts
              l2 = ' '.join(l[cpunr+2:])
              l2 = l2.replace('_hcd:', '/')
              l2 = re.sub('@pci[:\d+\.]+', '', l2)
              ret[l1] = l2
          return ret
  
      def extract(self):
          self.output = ''
          self.val['total'] = 0.0
          for line in self.splitlines():
              if line[0] == 'intr':
                  self.intset2 = [ long(int) for int in line[3:] ]
  
          for i in range(len(self.intset2)):
              total = (self.intset2[i] - self.intset1[i]) * 1.0 / elapsed
  
              ### Put the highest value in self.val
              if total > self.val['total']:
                  if str(i+1) in self.names.keys():
                      self.val['name'] = self.names[str(i+1)]
                  else:
                      self.val['name'] = 'int ' + str(i+1)
                  self.val['total'] = total
  
          if step == op.delay:
              self.intset1 = self.intset2
  
          if self.val['total'] != 0.0:
              self.output = '%-15s%s' % (self.val['name'], cprint(self.val['total'], 'd', 5, 1000))
  
      def showcsv(self):
          return '%s / %f' % (self.val['name'], self.val['total'])
  
  # vim:ts=4:sw=4:et
  
new_contents: ### Author: Dag Wieers <dag@wieers.com>
  
  class dstat_plugin(dstat):
      """
      Top interrupt
  
      Displays the name of the most frequent interrupt
      """
      def __init__(self):
          self.name = 'most frequent'
          self.vars = ('interrupt',)
          self.type = 's'
          self.width = 20
          self.scale = 0
          self.intset1 = [ 0 ] * 512
          self.open('/proc/stat')
          self.names = self.names()
  
      def names(self):
          ret = {}
          for line in dopen('/proc/interrupts'):
              l = line.split()
              if len(l) <= cpunr: continue
              l1 = l[0].split(':')[0]
              ### Cleanup possible names from /proc/interrupts
              l2 = ' '.join(l[cpunr+2:])
              l2 = l2.replace('_hcd:', '/')
              l2 = re.sub('@pci[:\d+\.]+', '', l2)
              ret[l1] = l2
          return ret
  
      def extract(self):
          self.output = ''
          self.val['total'] = 0.0
          for line in self.splitlines():
              if line[0] == 'intr':
                  self.intset2 = [ long(int) for int in line[3:] ]
  
          for i in range(len(self.intset2)):
              total = (self.intset2[i] - self.intset1[i]) * 1.0 / elapsed
  
              ### Put the highest value in self.val
              if total > self.val['total']:
                  if str(i+1) in self.names.keys():
                      self.val['name'] = self.names[str(i+1)]
                  else:
                      self.val['name'] = 'int ' + str(i+1)
                  self.val['total'] = total
  
          if step == op.delay:
              self.intset1 = self.intset2
  
          if self.val['total'] != 0.0:
              self.output = '%-15s%s' % (self.val['name'], cprint(self.val['total'], 'd', 5, 1000))
  
      def showcsv(self):
          return '%s / %f' % (self.val['name'], self.val['total'])
  
  # vim:ts=4:sw=4:et
  
subject: Increase max number of interrupts. Not sure if there is an absolute maximum...