]>
git.ipfire.org Git - collecty.git/blob - 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 PluginMemory(base
.Plugin
):
30 description
= "Memory Usage Plugin"
33 "DS:used:GAUGE:120:0:100",
34 "DS:cached:GAUGE:120:0:100",
35 "DS:buffered:GAUGE:120:0:100",
36 "DS:free:GAUGE:120:0:100",
37 "DS:swap:GAUGE:120:0:100",
38 "RRA:AVERAGE:0.5:1:2160",
39 "RRA:AVERAGE:0.5:5:2016",
40 "RRA:AVERAGE:0.5:15:2880",
41 "RRA:AVERAGE:0.5:60:8760",
45 "DEF:used=%(file)s:used:AVERAGE",
46 "DEF:cached=%(file)s:cached:AVERAGE",
47 "DEF:buffered=%(file)s:buffered:AVERAGE",
48 "DEF:free=%(file)s:free:AVERAGE",
49 "DEF:swap=%(file)s:swap:AVERAGE",
51 "AREA:used#90EE90:%-15s" % _("Used memory"),
52 "VDEF:usedmin=used,MINIMUM",
53 "VDEF:usedmax=used,MAXIMUM",
54 "VDEF:usedavg=used,AVERAGE",
55 "GPRINT:usedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
56 "GPRINT:usedmin:%12s\:" % _("Minimum") + " %6.2lf",
57 "GPRINT:usedavg:%12s\:" % _("Average") + " %6.2lf\\n",
59 "STACK:buffered#4169E1:%-15s" % _("Buffered data"),
60 "VDEF:bufferedmin=buffered,MINIMUM",
61 "VDEF:bufferedmax=buffered,MAXIMUM",
62 "VDEF:bufferedavg=buffered,AVERAGE",
63 "GPRINT:bufferedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
64 "GPRINT:bufferedmin:%12s\:" % _("Minimum") + " %6.2lf",
65 "GPRINT:bufferedavg:%12s\:" % _("Average") + " %6.2lf\\n",
67 "STACK:cached#FFD700:%-15s" % _("Cached data"),
68 "VDEF:cachedmin=cached,MINIMUM",
69 "VDEF:cachedmax=cached,MAXIMUM",
70 "VDEF:cachedavg=cached,AVERAGE",
71 "GPRINT:cachedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
72 "GPRINT:cachedmin:%12s\:" % _("Minimum") + " %6.2lf",
73 "GPRINT:cachedavg:%12s\:" % _("Average") + " %6.2lf\\n",
75 # "STACK:free#7799ff:%-15s" % _("Free memory"),
76 # "VDEF:freemin=free,MINIMUM",
77 # "VDEF:freemax=free,MAXIMUM",
78 # "VDEF:freeavg=free,AVERAGE",
79 # "GPRINT:freemax:%12s\:" % _("Maximum") + " %6.2lf" ,
80 # "GPRINT:freemin:%12s\:" % _("Minimum") + " %6.2lf",
81 # "GPRINT:freeavg:%12s\:" % _("Average") + " %6.2lf\\n",
83 "LINE3:swap#ff0000:%-15s" % _("Used Swap space"),
84 "VDEF:swapmin=swap,MINIMUM",
85 "VDEF:swapmax=swap,MAXIMUM",
86 "VDEF:swapavg=swap,AVERAGE",
87 "GPRINT:swapmax:%12s\:" % _("Maximum") + " %6.2lf" ,
88 "GPRINT:swapmin:%12s\:" % _("Minimum") + " %6.2lf",
89 "GPRINT:swapavg:%12s\:" % _("Average") + " %6.2lf\\n",
92 "--title", _("Memory Usage"),
93 "--vertical-label", _("Percent"),
96 "--upper-limit", "100",
102 def autocreate(cls
, collecty
, **kwargs
):
103 # Every system has got memory.
104 return cls(collecty
, **kwargs
)
110 ret
= "%s" % self
.now
112 f
= open("/proc/meminfo")
113 for line
in f
.readlines():
114 if line
.startswith("MemTotal:"):
115 total
= float(line
.split()[1])
116 if line
.startswith("MemFree:"):
117 free
= float(line
.split()[1])
118 elif line
.startswith("Buffers:"):
119 buffered
= float(line
.split()[1])
120 elif line
.startswith("Cached:"):
121 cached
= float(line
.split()[1])
122 elif line
.startswith("SwapTotal:"):
123 swapt
= float(line
.split()[1])
124 elif line
.startswith("SwapFree:"):
125 swapf
= float(line
.split()[1])
127 ret
+= ":%s" % ((total
- (free
+ buffered
+ cached
)) * 100 / total
)
128 ret
+= ":%s" % (cached
* 100 / total
)
129 ret
+= ":%s" % (buffered
* 100 / total
)
130 ret
+= ":%s" % (free
* 100 / total
)
133 ret
+= ":%s" % ((swapt
- swapf
) * 100 / swapt
)
137 self
.data
.append(ret
)