]> git.ipfire.org Git - collecty.git/blame - src/collecty/plugins/contextswitches.py
Add some magic to collecty that makes the graph templates smaller
[collecty.git] / src / collecty / plugins / contextswitches.py
CommitLineData
27f02dbd
MT
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
22import re
23
24from . import base
25
26from ..i18n import _
27
28class GraphTemplateContextSwitches(base.GraphTemplate):
29 name = "context-switches"
30
31 @property
32 def rrd_graph(self):
33 _ = self.locale.translate
34
35 return [
27f02dbd 36 "AREA:ctxt#90EE90:%-15s" % _("Context Switches"),
cd8bba0b
MT
37 "GPRINT:ctxt_max:%12s\:" % _("Maximum") + " %6.2lf" ,
38 "GPRINT:ctxt_min:%12s\:" % _("Minimum") + " %6.2lf" ,
39 "GPRINT:ctxt_avg:%12s\:" % _("Average") + " %6.2lf\\n",
27f02dbd
MT
40 ]
41
42 lower_limit = 0
43
44 @property
45 def graph_title(self):
46 _ = self.locale.translate
47 return _("Context Switches")
48
49 @property
50 def graph_vertical_label(self):
51 _ = self.locale.translate
52 return _("Context Switches/s")
53
54
55class ContextSwitchesObject(base.Object):
56 rrd_schema = [
57 "DS:ctxt:DERIVE:0:U",
58 ]
59
60 @property
61 def id(self):
62 return "default"
63
64 def collect(self):
65 expr = re.compile(r"^ctxt (\d+)$")
66
67 with open("/proc/stat") as f:
68 for line in f.readlines():
69 m = re.match(expr, line)
70 if m:
71 return m.group(1)
72
73
74class ContextSwitchesPlugin(base.Plugin):
75 name = "context-switches"
76 description = "Context Switches Plugin"
77
78 templates = [GraphTemplateContextSwitches]
79
80 @property
81 def objects(self):
82 yield ContextSwitchesObject(self)