src/collecty/plugins/processor.py

   1 #!/usr/bin/python3
   2 ###############################################################################
   3 #                                                                             #
   4 # collecty - A system statistics collection daemon for IPFire                 #
   5 # Copyright (C) 2012 IPFire development team                                  #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 from . import base
  23
  24 from ..colours import *
  25
  26 class GraphTemplateProcessor(base.GraphTemplate):
  27         name = "processor"
  28
  29         @property
  30         def rrd_graph(self):
  31                 _ = self.locale.translate
  32
  33                 return [
  34                         "CDEF:total=user,nice,+,sys,+,wait,+,irq,+,sirq,+,idle,+",
  35
  36                         "CDEF:user_p=100,user,*,total,/",
  37                         "AREA:user_p%s:%-15s" % (CPU_USER, _("User")),
  38                         "GPRINT:user_p_max:%12s\:" % _("Maximum") + " %6.2lf%%",
  39                         "GPRINT:user_p_min:%12s\:" % _("Minimum") + " %6.2lf%%",
  40                         "GPRINT:user_p_avg:%12s\:" % _("Average") + " %6.2lf%%\\n",
  41
  42                         "CDEF:nice_p=100,nice,*,total,/",
  43                         "STACK:nice_p%s:%-15s" % (CPU_NICE, _("Nice")),
  44                         "GPRINT:nice_p_max:%12s\:" % _("Maximum") + " %6.2lf%%",
  45                         "GPRINT:nice_p_min:%12s\:" % _("Minimum") + " %6.2lf%%",
  46                         "GPRINT:nice_p_avg:%12s\:" % _("Average") + " %6.2lf%%\\n",
  47
  48                         "CDEF:sys_p=100,sys,*,total,/",
  49                         "STACK:sys_p%s:%-15s" % (CPU_SYS, _("System")),
  50                         "GPRINT:sys_p_max:%12s\:" % _("Maximum") + " %6.2lf%%",
  51                         "GPRINT:sys_p_min:%12s\:" % _("Minimum") + " %6.2lf%%",
  52                         "GPRINT:sys_p_avg:%12s\:" % _("Average") + " %6.2lf%%\\n",
  53
  54                         "CDEF:wait_p=100,wait,*,total,/",
  55                         "STACK:wait_p%s:%-15s" % (CPU_WAIT, _("Wait")),
  56                         "GPRINT:wait_p_max:%12s\:" % _("Maximum") + " %6.2lf%%",
  57                         "GPRINT:wait_p_min:%12s\:" % _("Minimum") + " %6.2lf%%",
  58                         "GPRINT:wait_p_avg:%12s\:" % _("Average") + " %6.2lf%%\\n",
  59
  60                         "CDEF:irq_p=100,irq,*,total,/",
  61                         "STACK:irq_p%s:%-15s" % (CPU_IRQ, _("Interrupt")),
  62                         "GPRINT:irq_p_max:%12s\:" % _("Maximum") + " %6.2lf%%",
  63                         "GPRINT:irq_p_min:%12s\:" % _("Minimum") + " %6.2lf%%",
  64                         "GPRINT:irq_p_avg:%12s\:" % _("Average") + " %6.2lf%%\\n",
  65
  66                         "CDEF:sirq_p=100,sirq,*,total,/",
  67                         "STACK:sirq_p%s:%-15s" % (CPU_SIRQ, _("Soft Interrupt")),
  68                         "GPRINT:sirq_p_max:%12s\:" % _("Maximum") + " %6.2lf%%",
  69                         "GPRINT:sirq_p_min:%12s\:" % _("Minimum") + " %6.2lf%%",
  70                         "GPRINT:sirq_p_avg:%12s\:" % _("Average") + " %6.2lf%%\\n",
  71
  72                         "CDEF:idle_p=100,idle,*,total,/",
  73                         "STACK:idle_p%s:%-15s" % (CPU_IDLE, _("Idle")),
  74                         "GPRINT:idle_p_max:%12s\:" % _("Maximum") + " %6.2lf%%",
  75                         "GPRINT:idle_p_min:%12s\:" % _("Minimum") + " %6.2lf%%",
  76                         "GPRINT:idle_p_avg:%12s\:" % _("Average") + " %6.2lf%%\\n",
  77                 ]
  78
  79         upper_limit = 100
  80         lower_limit = 0
  81
  82         @property
  83         def graph_title(self):
  84                 _ = self.locale.translate
  85                 return _("Processor Usage")
  86
  87         @property
  88         def graph_vertical_label(self):
  89                 _ = self.locale.translate
  90                 return _("Percent")
  91
  92
  93 class ProcessorObject(base.Object):
  94         rrd_schema = [
  95                 "DS:user:DERIVE:0:U",
  96                 "DS:nice:DERIVE:0:U",
  97                 "DS:sys:DERIVE:0:U",
  98                 "DS:idle:DERIVE:0:U",
  99                 "DS:wait:DERIVE:0:U",
 100                 "DS:irq:DERIVE:0:U",
 101                 "DS:sirq:DERIVE:0:U",
 102         ]
 103
 104         @property
 105         def id(self):
 106                 return "default"
 107
 108         def collect(self):
 109                 """
 110                         Reads the CPU usage.
 111                 """
 112                 with open("/proc/stat") as f:
 113                         for line in f:
 114                                 if not line.startswith("cpu"):
 115                                         continue
 116
 117                                 columns = line.split()
 118                                 if len(columns) < 8:
 119                                         continue
 120
 121                                 return (
 122                                         columns[1], # user
 123                                         columns[2], # nice
 124                                         columns[3], # sys
 125                                         columns[4], # idle
 126                                         columns[5], # wait
 127                                         columns[6], # irq
 128                                         columns[7], # sirq
 129                                 )
 130
 131
 132 class ProcessorPlugin(base.Plugin):
 133         name = "processor"
 134         description = "Processor Usage Plugin"
 135
 136         templates = [GraphTemplateProcessor]
 137
 138         @property
 139         def objects(self):
 140                 yield ProcessorObject(self)