src/collecty/plugins/interrupts.py

   1 #!/usr/bin/python3
   2 ###############################################################################
   3 #                                                                             #
   4 # collecty - A system statistics collection daemon for IPFire                 #
   5 # Copyright (C) 2015 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 import re
  23
  24 from . import base
  25
  26 from ..colours import *
  27
  28 class GraphTemplateSystemInterrupts(base.GraphTemplate):
  29         name = "system-interrupts"
  30
  31         @property
  32         def rrd_graph(self):
  33                 _ = self.locale.translate
  34
  35                 return [
  36                         "AREA:intr%s:%-15s" % (
  37                                 lighten(PRIMARY, AREA_OPACITY), _("System Interrupts"),
  38                         ),
  39                         "GPRINT:intr_max:%12s\:" % _("Maximum") + " %6.2lf" ,
  40                         "GPRINT:intr_min:%12s\:" % _("Minimum") + " %6.2lf" ,
  41                         "GPRINT:intr_avg:%12s\:" % _("Average") + " %6.2lf\\n",
  42                         "LINE1:intr%s" % PRIMARY,
  43                 ]
  44
  45         lower_limit = 0
  46
  47         @property
  48         def graph_title(self):
  49                 _ = self.locale.translate
  50                 return _("System Interrupts")
  51
  52         @property
  53         def graph_vertical_label(self):
  54                 _ = self.locale.translate
  55                 return _("System Interrupts/s")
  56
  57
  58 class SystemInterruptsObject(base.Object):
  59         rrd_schema = [
  60                 "DS:intr:DERIVE:0:U",
  61         ]
  62
  63         @property
  64         def id(self):
  65                 return "default"
  66
  67         def collect(self):
  68                 expr = r"^intr (\d+)"
  69
  70                 with open("/proc/stat") as f:
  71                         for line in f.readlines():
  72                                 m = re.match(expr, line)
  73                                 if m:
  74                                         return m.group(1)
  75
  76
  77 class SystemInterruptsPlugin(base.Plugin):
  78         name = "system-interrupts"
  79         description = "System Interrupts Plugin"
  80
  81         templates = [GraphTemplateSystemInterrupts]
  82
  83         @property
  84         def objects(self):
  85                 yield SystemInterruptsObject(self)