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
  23
  24 from . import base
  25
  26 from ..i18n import _
  27
  28 class GraphTemplateProcessor(base.GraphTemplate):
  29         name = "processor"
  30
  31         @property
  32         def rrd_graph(self):
  33                 _ = self.locale.translate
  34
  35                 return [
  36                         "AREA:user#90EE90:%-15s" % _("User"),
  37                         "GPRINT:user_max:%12s\:" % _("Maximum") + " %6.2lf" ,
  38                         "GPRINT:user_min:%12s\:" % _("Minimum") + " %6.2lf",
  39                         "GPRINT:user_avg:%12s\:" % _("Average") + " %6.2lf\\n",
  40
  41                         "STACK:nice#4169E1:%-15s" % _("Nice"),
  42                         "GPRINT:nice_max:%12s\:" % _("Maximum") + " %6.2lf" ,
  43                         "GPRINT:nice_min:%12s\:" % _("Minimum") + " %6.2lf",
  44                         "GPRINT:nice_avg:%12s\:" % _("Average") + " %6.2lf\\n",
  45
  46                         "STACK:sys#DC143C:%-15s" % _("System"),
  47                         "GPRINT:sys_max:%12s\:" % _("Maximum") + " %6.2lf" ,
  48                         "GPRINT:sys_min:%12s\:" % _("Minimum") + " %6.2lf",
  49                         "GPRINT:sys_avg:%12s\:" % _("Average") + " %6.2lf\\n",
  50
  51                         "STACK:wait#483D8B:%-15s" % _("Wait"),
  52                         "GPRINT:wait_max:%12s\:" % _("Maximum") + " %6.2lf" ,
  53                         "GPRINT:wait_min:%12s\:" % _("Minimum") + " %6.2lf",
  54                         "GPRINT:wait_avg:%12s\:" % _("Average") + " %6.2lf\\n",
  55
  56                         "STACK:irq#DAA520:%-15s" % _("Interrupt"),
  57                         "GPRINT:irq_max:%12s\:" % _("Maximum") + " %6.2lf" ,
  58                         "GPRINT:irq_min:%12s\:" % _("Minimum") + " %6.2lf",
  59                         "GPRINT:irq_avg:%12s\:" % _("Average") + " %6.2lf\\n",
  60
  61                         "STACK:sirq#FFD700:%-15s" % _("Soft interrupt"),
  62                         "GPRINT:sirq_max:%12s\:" % _("Maximum") + " %6.2lf" ,
  63                         "GPRINT:sirq_min:%12s\:" % _("Minimum") + " %6.2lf",
  64                         "GPRINT:sirq_avg:%12s\:" % _("Average") + " %6.2lf\\n",
  65
  66                         "STACK:idle#EFEFEF:%-15s" % _("Idle"),
  67                         "GPRINT:idle_max:%12s\:" % _("Maximum") + " %6.2lf" ,
  68                         "GPRINT:idle_min:%12s\:" % _("Minimum") + " %6.2lf",
  69                         "GPRINT:idle_avg:%12s\:" % _("Average") + " %6.2lf\\n",
  70                 ]
  71
  72         lower_limit = 0
  73
  74         @property
  75         def graph_title(self):
  76                 _ = self.locale.translate
  77                 return _("Processor Usage")
  78
  79         @property
  80         def graph_vertical_label(self):
  81                 _ = self.locale.translate
  82                 return _("Jiffies")
  83
  84
  85 class ProcessorObject(base.Object):
  86         rrd_schema = [
  87                 "DS:user:DERIVE:0:U",
  88                 "DS:nice:DERIVE:0:U",
  89                 "DS:sys:DERIVE:0:U",
  90                 "DS:idle:DERIVE:0:U",
  91                 "DS:wait:DERIVE:0:U",
  92                 "DS:irq:DERIVE:0:U",
  93                 "DS:sirq:DERIVE:0:U",
  94         ]
  95
  96         @property
  97         def id(self):
  98                 return "default"
  99
 100         def collect(self):
 101                 """
 102                         Reads the CPU usage.
 103                 """
 104                 f = None
 105
 106                 try:
 107                         f = open("/proc/stat")
 108
 109                         for line in f.readlines():
 110                                 if not line.startswith("cpu"):
 111                                         continue
 112
 113                                 columns = line.split()
 114                                 if len(columns) < 8:
 115                                         continue
 116
 117                                 return (
 118                                         columns[1], # user
 119                                         columns[2], # nice
 120                                         columns[3], # sys
 121                                         columns[4], # idle
 122                                         columns[5], # wait
 123                                         columns[6], # irq
 124                                         columns[7], # sirq
 125                                 )
 126                 finally:
 127                         if f:
 128                                 f.close()
 129
 130
 131 class ProcessorPlugin(base.Plugin):
 132         name = "processor"
 133         description = "Processor Usage Plugin"
 134
 135         templates = [GraphTemplateProcessor]
 136
 137         @property
 138         def objects(self):
 139                 yield ProcessorObject(self)