# #
###############################################################################
+from __future__ import division
+
import base
from ..i18n import _
-class PluginMemory(base.Plugin):
- _name = "Memory Usage Plugin"
- _type = "mem"
-
- _rrd = ["DS:used:GAUGE:120:0:100",
- "DS:cached:GAUGE:120:0:100",
- "DS:buffered:GAUGE:120:0:100",
- "DS:free:GAUGE:120:0:100",
- "DS:swap:GAUGE:120:0:100",
- "RRA:AVERAGE:0.5:1:2160",
- "RRA:AVERAGE:0.5:5:2016",
- "RRA:AVERAGE:0.5:15:2880",
- "RRA:AVERAGE:0.5:60:8760" ]
-
- _graph = [ "DEF:used=%(file)s:used:AVERAGE",
- "DEF:cached=%(file)s:cached:AVERAGE",
- "DEF:buffered=%(file)s:buffered:AVERAGE",
- "DEF:free=%(file)s:free:AVERAGE",
- "DEF:swap=%(file)s:swap:AVERAGE",
- "AREA:used#0000ee:%-15s" % _("Used memory"),
- "VDEF:usedmin=used,MINIMUM",
- "VDEF:usedmax=used,MAXIMUM",
- "VDEF:usedavg=used,AVERAGE",
- "GPRINT:usedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
- "GPRINT:usedmin:%12s\:" % _("Minimum") + " %6.2lf",
- "GPRINT:usedavg:%12s\:" % _("Average") + " %6.2lf\\n",
- "STACK:cached#0099ee:%-15s" % _("Cached data"),
- "VDEF:cachedmin=cached,MINIMUM",
- "VDEF:cachedmax=cached,MAXIMUM",
- "VDEF:cachedavg=cached,AVERAGE",
- "GPRINT:cachedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
- "GPRINT:cachedmin:%12s\:" % _("Minimum") + " %6.2lf",
- "GPRINT:cachedavg:%12s\:" % _("Average") + " %6.2lf\\n",
- "STACK:buffered#4499ff:%-15s" % _("Buffered data"),
- "VDEF:bufferedmin=buffered,MINIMUM",
- "VDEF:bufferedmax=buffered,MAXIMUM",
- "VDEF:bufferedavg=buffered,AVERAGE",
- "GPRINT:bufferedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
- "GPRINT:bufferedmin:%12s\:" % _("Minimum") + " %6.2lf",
- "GPRINT:bufferedavg:%12s\:" % _("Average") + " %6.2lf\\n",
- "STACK:free#7799ff:%-15s" % _("Free memory"),
- "VDEF:freemin=free,MINIMUM",
- "VDEF:freemax=free,MAXIMUM",
- "VDEF:freeavg=free,AVERAGE",
- "GPRINT:freemax:%12s\:" % _("Maximum") + " %6.2lf" ,
- "GPRINT:freemin:%12s\:" % _("Minimum") + " %6.2lf",
- "GPRINT:freeavg:%12s\:" % _("Average") + " %6.2lf\\n",
- "LINE3:swap#ff0000:%-15s" % _("Used Swap space"),
- "VDEF:swapmin=swap,MINIMUM",
- "VDEF:swapmax=swap,MAXIMUM",
- "VDEF:swapavg=swap,AVERAGE",
- "GPRINT:swapmax:%12s\:" % _("Maximum") + " %6.2lf" ,
- "GPRINT:swapmin:%12s\:" % _("Minimum") + " %6.2lf",
- "GPRINT:swapavg:%12s\:" % _("Average") + " %6.2lf\\n", ]
-
- def __init__(self, collecty, **kwargs):
- Plugin.__init__(self, collecty, **kwargs)
-
- def collect(self):
- ret = "%s" % self.time()
- f = open("/proc/meminfo")
- for line in f.readlines():
- if line.startswith("MemTotal:"):
- total = float(line.split()[1])
- if line.startswith("MemFree:"):
- free = float(line.split()[1])
- elif line.startswith("Buffers:"):
- buffered = float(line.split()[1])
- elif line.startswith("Cached:"):
- cached = float(line.split()[1])
- elif line.startswith("SwapTotal:"):
- swapt = float(line.split()[1])
- elif line.startswith("SwapFree:"):
- swapf = float(line.split()[1])
-
- f.close()
-
- ret += ":%s" % ((total - (free + buffered + cached)) * 100 / total)
- ret += ":%s" % (cached * 100 / total)
- ret += ":%s" % (buffered * 100 / total)
- ret += ":%s" % (free * 100 / total)
- ret += ":%s" % ((swapt - swapf) * 100 / swapt)
-
- return ret
+class GraphTemplateMemory(base.GraphTemplate):
+ name = "memory"
+
+ rrd_graph = [
+ "DEF:used=%(file)s:used:AVERAGE",
+ "DEF:cached=%(file)s:cached:AVERAGE",
+ "DEF:buffered=%(file)s:buffered:AVERAGE",
+ "DEF:free=%(file)s:free:AVERAGE",
+ "DEF:swap=%(file)s:swap:AVERAGE",
+
+ "AREA:used#90EE90:%-15s" % _("Used memory"),
+ "VDEF:usedmin=used,MINIMUM",
+ "VDEF:usedmax=used,MAXIMUM",
+ "VDEF:usedavg=used,AVERAGE",
+ "GPRINT:usedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
+ "GPRINT:usedmin:%12s\:" % _("Minimum") + " %6.2lf",
+ "GPRINT:usedavg:%12s\:" % _("Average") + " %6.2lf\\n",
+
+ "STACK:buffered#4169E1:%-15s" % _("Buffered data"),
+ "VDEF:bufferedmin=buffered,MINIMUM",
+ "VDEF:bufferedmax=buffered,MAXIMUM",
+ "VDEF:bufferedavg=buffered,AVERAGE",
+ "GPRINT:bufferedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
+ "GPRINT:bufferedmin:%12s\:" % _("Minimum") + " %6.2lf",
+ "GPRINT:bufferedavg:%12s\:" % _("Average") + " %6.2lf\\n",
+
+ "STACK:cached#FFD700:%-15s" % _("Cached data"),
+ "VDEF:cachedmin=cached,MINIMUM",
+ "VDEF:cachedmax=cached,MAXIMUM",
+ "VDEF:cachedavg=cached,AVERAGE",
+ "GPRINT:cachedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
+ "GPRINT:cachedmin:%12s\:" % _("Minimum") + " %6.2lf",
+ "GPRINT:cachedavg:%12s\:" % _("Average") + " %6.2lf\\n",
+
+# "STACK:free#7799ff:%-15s" % _("Free memory"),
+# "VDEF:freemin=free,MINIMUM",
+# "VDEF:freemax=free,MAXIMUM",
+# "VDEF:freeavg=free,AVERAGE",
+# "GPRINT:freemax:%12s\:" % _("Maximum") + " %6.2lf" ,
+# "GPRINT:freemin:%12s\:" % _("Minimum") + " %6.2lf",
+# "GPRINT:freeavg:%12s\:" % _("Average") + " %6.2lf\\n",
+
+ "LINE3:swap#ff0000:%-15s" % _("Used Swap space"),
+ "VDEF:swapmin=swap,MINIMUM",
+ "VDEF:swapmax=swap,MAXIMUM",
+ "VDEF:swapavg=swap,AVERAGE",
+ "GPRINT:swapmax:%12s\:" % _("Maximum") + " %6.2lf" ,
+ "GPRINT:swapmin:%12s\:" % _("Minimum") + " %6.2lf",
+ "GPRINT:swapavg:%12s\:" % _("Average") + " %6.2lf\\n",
+ ]
+
+ rrd_graph_args = [
+ "--title", _("Memory Usage"),
+ "--vertical-label", _("Percent"),
+
+ # Limit y axis.
+ "--upper-limit", "100",
+ "--lower-limit", "0",
+ "--rigid",
+ ]
+
+
+class DataSourceMemory(base.DataSource):
+ name = "memory"
+ description = "Memory Usage Data Source"
+
+ templates = [GraphTemplateMemory,]
+
+ rrd_schema = [
+ "DS:used:GAUGE:120:0:100",
+ "DS:cached:GAUGE:120:0:100",
+ "DS:buffered:GAUGE:120:0:100",
+ "DS:free:GAUGE:120:0:100",
+ "DS:swap:GAUGE:120:0:100",
+ "RRA:AVERAGE:0.5:1:2160",
+ "RRA:AVERAGE:0.5:5:2016",
+ "RRA:AVERAGE:0.5:15:2880",
+ "RRA:AVERAGE:0.5:60:8760",
+ ]
+
+ @classmethod
+ def autocreate(cls, collecty, **kwargs):
+ # Every system has got memory.
+ return cls(collecty, **kwargs)
+
+ def read(self):
+ f = None
+
+ try:
+ ret = "%s" % self.now
+
+ f = open("/proc/meminfo")
+ for line in f.readlines():
+ if line.startswith("MemTotal:"):
+ total = float(line.split()[1])
+ if line.startswith("MemFree:"):
+ free = float(line.split()[1])
+ elif line.startswith("Buffers:"):
+ buffered = float(line.split()[1])
+ elif line.startswith("Cached:"):
+ cached = float(line.split()[1])
+ elif line.startswith("SwapTotal:"):
+ swapt = float(line.split()[1])
+ elif line.startswith("SwapFree:"):
+ swapf = float(line.split()[1])
+
+ ret += ":%s" % ((total - (free + buffered + cached)) * 100 / total)
+ ret += ":%s" % (cached * 100 / total)
+ ret += ":%s" % (buffered * 100 / total)
+ ret += ":%s" % (free * 100 / total)
+
+ if swapt:
+ ret += ":%s" % ((swapt - swapf) * 100 / swapt)
+ else:
+ ret += ":0"
+
+ self.data.append(ret)
+ finally:
+ if f:
+ f.close()
projects / collecty.git / blobdiff