]>
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
):
35 "DEF:used=%(file)s:used:AVERAGE",
36 "DEF:cached=%(file)s:cached:AVERAGE",
37 "DEF:buffered=%(file)s:buffered:AVERAGE",
38 "DEF:free=%(file)s:free:AVERAGE",
39 "DEF:swap=%(file)s:swap:AVERAGE",
41 "AREA:used#90EE90:%-15s" % _("Used memory"),
42 "VDEF:usedmin=used,MINIMUM",
43 "VDEF:usedmax=used,MAXIMUM",
44 "VDEF:usedavg=used,AVERAGE",
45 "GPRINT:usedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
46 "GPRINT:usedmin:%12s\:" % _("Minimum") + " %6.2lf",
47 "GPRINT:usedavg:%12s\:" % _("Average") + " %6.2lf\\n",
49 "STACK:buffered#4169E1:%-15s" % _("Buffered data"),
50 "VDEF:bufferedmin=buffered,MINIMUM",
51 "VDEF:bufferedmax=buffered,MAXIMUM",
52 "VDEF:bufferedavg=buffered,AVERAGE",
53 "GPRINT:bufferedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
54 "GPRINT:bufferedmin:%12s\:" % _("Minimum") + " %6.2lf",
55 "GPRINT:bufferedavg:%12s\:" % _("Average") + " %6.2lf\\n",
57 "STACK:cached#FFD700:%-15s" % _("Cached data"),
58 "VDEF:cachedmin=cached,MINIMUM",
59 "VDEF:cachedmax=cached,MAXIMUM",
60 "VDEF:cachedavg=cached,AVERAGE",
61 "GPRINT:cachedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
62 "GPRINT:cachedmin:%12s\:" % _("Minimum") + " %6.2lf",
63 "GPRINT:cachedavg:%12s\:" % _("Average") + " %6.2lf\\n",
65 # "STACK:free#7799ff:%-15s" % _("Free memory"),
66 # "VDEF:freemin=free,MINIMUM",
67 # "VDEF:freemax=free,MAXIMUM",
68 # "VDEF:freeavg=free,AVERAGE",
69 # "GPRINT:freemax:%12s\:" % _("Maximum") + " %6.2lf" ,
70 # "GPRINT:freemin:%12s\:" % _("Minimum") + " %6.2lf",
71 # "GPRINT:freeavg:%12s\:" % _("Average") + " %6.2lf\\n",
73 "LINE3:swap#ff0000:%-15s" % _("Used Swap space"),
74 "VDEF:swapmin=swap,MINIMUM",
75 "VDEF:swapmax=swap,MAXIMUM",
76 "VDEF:swapavg=swap,AVERAGE",
77 "GPRINT:swapmax:%12s\:" % _("Maximum") + " %6.2lf" ,
78 "GPRINT:swapmin:%12s\:" % _("Minimum") + " %6.2lf",
79 "GPRINT:swapavg:%12s\:" % _("Average") + " %6.2lf\\n",
83 def graph_title(self
):
84 return _("Memory Usage")
87 def graph_vertical_label(self
):
91 class MemoryObject(base
.Object
):
93 "DS:used:GAUGE:0:100",
94 "DS:cached:GAUGE:0:100",
95 "DS:buffered:GAUGE:0:100",
96 "DS:free:GAUGE:0:100",
97 "DS:swap:GAUGE:0:100",
108 f
= open("/proc/meminfo")
109 for line
in f
.readlines():
110 if line
.startswith("MemTotal:"):
111 total
= float(line
.split()[1])
112 if line
.startswith("MemFree:"):
113 free
= float(line
.split()[1])
114 elif line
.startswith("Buffers:"):
115 buffered
= float(line
.split()[1])
116 elif line
.startswith("Cached:"):
117 cached
= float(line
.split()[1])
118 elif line
.startswith("SwapTotal:"):
119 swapt
= float(line
.split()[1])
120 elif line
.startswith("SwapFree:"):
121 swapf
= float(line
.split()[1])
124 "%s" % ((total
- (free
+ buffered
+ cached
)) * 100 / total
),
125 "%s" % (cached
* 100 / total
),
126 "%s" % (buffered
* 100 / total
),
127 "%s" % (free
* 100 / total
),
131 ret
.append("%s" % ((swapt
- swapf
) * 100 / swapt
))
141 class MemoryPlugin(base
.Plugin
):
143 description
= "Memory Usage Plugin"
145 templates
= [GraphTemplateMemory
]
149 yield MemoryObject(self
)