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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 ..i18n import _ | |
27 | ||
28 | class 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 | ||
55 | class 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 | ||
74 | class 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) |