]>
git.ipfire.org Git - collecty.git/blob - src/collecty/plugins/memory.py
2 ###############################################################################
4 # collecty - A system statistics collection daemon for IPFire #
5 # Copyright (C) 2012 IPFire development team #
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. #
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. #
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/>. #
20 ###############################################################################
22 from __future__
import division
28 class GraphTemplateMemory(base
.GraphTemplate
):
32 "DEF:used=%(file)s:used:AVERAGE",
33 "DEF:cached=%(file)s:cached:AVERAGE",
34 "DEF:buffered=%(file)s:buffered:AVERAGE",
35 "DEF:free=%(file)s:free:AVERAGE",
36 "DEF:swap=%(file)s:swap:AVERAGE",
38 "AREA:used#90EE90:%-15s" % _("Used memory"),
39 "VDEF:usedmin=used,MINIMUM",
40 "VDEF:usedmax=used,MAXIMUM",
41 "VDEF:usedavg=used,AVERAGE",
42 "GPRINT:usedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
43 "GPRINT:usedmin:%12s\:" % _("Minimum") + " %6.2lf",
44 "GPRINT:usedavg:%12s\:" % _("Average") + " %6.2lf\\n",
46 "STACK:buffered#4169E1:%-15s" % _("Buffered data"),
47 "VDEF:bufferedmin=buffered,MINIMUM",
48 "VDEF:bufferedmax=buffered,MAXIMUM",
49 "VDEF:bufferedavg=buffered,AVERAGE",
50 "GPRINT:bufferedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
51 "GPRINT:bufferedmin:%12s\:" % _("Minimum") + " %6.2lf",
52 "GPRINT:bufferedavg:%12s\:" % _("Average") + " %6.2lf\\n",
54 "STACK:cached#FFD700:%-15s" % _("Cached data"),
55 "VDEF:cachedmin=cached,MINIMUM",
56 "VDEF:cachedmax=cached,MAXIMUM",
57 "VDEF:cachedavg=cached,AVERAGE",
58 "GPRINT:cachedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
59 "GPRINT:cachedmin:%12s\:" % _("Minimum") + " %6.2lf",
60 "GPRINT:cachedavg:%12s\:" % _("Average") + " %6.2lf\\n",
62 # "STACK:free#7799ff:%-15s" % _("Free memory"),
63 # "VDEF:freemin=free,MINIMUM",
64 # "VDEF:freemax=free,MAXIMUM",
65 # "VDEF:freeavg=free,AVERAGE",
66 # "GPRINT:freemax:%12s\:" % _("Maximum") + " %6.2lf" ,
67 # "GPRINT:freemin:%12s\:" % _("Minimum") + " %6.2lf",
68 # "GPRINT:freeavg:%12s\:" % _("Average") + " %6.2lf\\n",
70 "LINE3:swap#ff0000:%-15s" % _("Used Swap space"),
71 "VDEF:swapmin=swap,MINIMUM",
72 "VDEF:swapmax=swap,MAXIMUM",
73 "VDEF:swapavg=swap,AVERAGE",
74 "GPRINT:swapmax:%12s\:" % _("Maximum") + " %6.2lf" ,
75 "GPRINT:swapmin:%12s\:" % _("Minimum") + " %6.2lf",
76 "GPRINT:swapavg:%12s\:" % _("Average") + " %6.2lf\\n",
80 "--title", _("Memory Usage"),
81 "--vertical-label", _("Percent"),
84 "--upper-limit", "100",
90 class DataSourceMemory(base
.DataSource
):
92 description
= "Memory Usage Data Source"
94 templates
= [GraphTemplateMemory
,]
97 "DS:used:GAUGE:0:100",
98 "DS:cached:GAUGE:0:100",
99 "DS:buffered:GAUGE:0:100",
100 "DS:free:GAUGE:0:100",
101 "DS:swap:GAUGE:0:100",
105 def autocreate(cls
, collecty
, **kwargs
):
106 # Every system has got memory.
107 return cls(collecty
, **kwargs
)
113 f
= open("/proc/meminfo")
114 for line
in f
.readlines():
115 if line
.startswith("MemTotal:"):
116 total
= float(line
.split()[1])
117 if line
.startswith("MemFree:"):
118 free
= float(line
.split()[1])
119 elif line
.startswith("Buffers:"):
120 buffered
= float(line
.split()[1])
121 elif line
.startswith("Cached:"):
122 cached
= float(line
.split()[1])
123 elif line
.startswith("SwapTotal:"):
124 swapt
= float(line
.split()[1])
125 elif line
.startswith("SwapFree:"):
126 swapf
= float(line
.split()[1])
129 "%s" % ((total
- (free
+ buffered
+ cached
)) * 100 / total
),
130 "%s" % (cached
* 100 / total
),
131 "%s" % (buffered
* 100 / total
),
132 "%s" % (free
* 100 / total
),
136 ret
.append("%s" % ((swapt
- swapf
) * 100 / swapt
))