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# |
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# i-scream central monitoring system |
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# http://www.i-scream.org.uk |
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# Copyright (C) 2000-2002 i-scream |
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# |
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# This program is free software; you can redistribute it and/or |
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if($rrd =~ /^(mem)\.rrd$/) { |
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my(@data); |
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my(@rawdata); |
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# we don't actually want to display free memory, |
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# although we need it to do inuse... |
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# we don't actually want to display free or total memory, |
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# although we need it to work out peruse... |
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push @data, "NONE:$1:free:free#CCCCFF:NONE:free memory"; |
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push @data, "LINE2:$1:total:total#0000FF:NONE:total memory\\n"; |
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# calculate inuse |
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push @rawdata, "CDEF:inuse=total,free,-"; |
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push @data, "NONE:$1:total:total#0000FF:NONE:total memory\\n"; |
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# calculate peruse - note that we only use 'free' if it's less than total |
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# (this is to avoid negative percentages :) |
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push @rawdata, "CDEF:peruse=total,free,total,LT,free,0,IF,-,total,/,100,*"; |
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# and add it to the graph |
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push @rawdata, "AREA:inuse#CCCCFF:memory in use"; |
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push @rawdata, "AREA:peruse#CCCCFF:% memory in use"; |
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push @rawdata, "--upper-limit=100"; |
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push @rawdata, "--base=1024"; |
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# add some nice values to the legend |
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&addlegend(\@rawdata, "inuse"); |
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&makegraph($machine, $1, "Memory Usage for $machine", "megabytes", \@data, \@rawdata); |
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&addlegend(\@rawdata, "peruse"); |
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# put the total memory on the graph so we can map percentages to real values |
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push @rawdata, "GPRINT:total:LAST:Current total memory\\: \%.2lf %sb\\c"; |
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&makegraph($machine, $1, "Memory Usage for $machine", "% memory in use", \@data, \@rawdata); |
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} |
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if($rrd =~ /^(load)\.rrd$/) { |
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my(@data); |
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if($rrd =~ /^(swap)\.rrd$/) { |
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my(@data); |
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my(@rawdata); |
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# we don't actually want to display free swap, |
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# although we need it to do inuse... |
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# we don't actually want to display free or total swap, |
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# although we need it to work out peruse... |
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push @data, "NONE:$1:free:free#CCCCFF:NONE:free swap"; |
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push @data, "LINE2:$1:total:total#0000FF:NONE:total swap\\n"; |
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# calculate inuse |
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push @rawdata, "CDEF:inuse=total,free,-"; |
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push @data, "NONE:$1:total:total#0000FF:NONE:total swap\\n"; |
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# calculate peruse - note that we only use 'free' if it's less than total |
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# (this is to avoid negative percentages :) |
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push @rawdata, "CDEF:peruse=total,free,total,LT,free,0,IF,-,total,/,100,*"; |
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# and add it to the graph |
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push @rawdata, "AREA:inuse#CCCCFF:swap in use"; |
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push @rawdata, "AREA:peruse#CCCCFF:% swap in use"; |
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push @rawdata, "--upper-limit=100"; |
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push @rawdata, "--base=1024"; |
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# add some nice values to the legend |
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&addlegend(\@rawdata, "inuse"); |
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&makegraph($machine, $1, "Swap Usage for $machine", "megabytes", \@data, \@rawdata); |
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&addlegend(\@rawdata, "peruse"); |
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# put the total swap on the graph so we can map percentages to real values |
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push @rawdata, "GPRINT:total:LAST:Current total swap\\: \%.2lf %sb\\c"; |
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&makegraph($machine, $1, "Swap Usage for $machine", "% swap in use", \@data, \@rawdata); |
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} |
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if($rrd =~ /^(users)\.rrd$/) { |
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my(@data); |
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push @data, "AREA:$1:count:count#CCCCFF:OK:user count"; |
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&makegraph($machine, $1, "User Count for $machine", "no. of users", \@data); |
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} |
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if($rrd =~ /^(disk)-(\S+).rrd$/) { |
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if($rrd =~ /^(paging)\.rrd$/) { |
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my(@data); |
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push @data, "LINE2:$1:pageins:pageins#00FF00:OK:pages paged in "; |
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push @data, "LINE2:$1:pageouts:pageouts#0000FF:OK:pages paged out"; |
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&makegraph($machine, $1, "Paging on $machine", "pages per second", \@data); |
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} |
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if($rrd =~ /^(disk)-(\S+)\.rrd$/) { |
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my(@data); |
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my(@rawdata); |
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push @data, "LINE2:$1-$2:kbytes:kbytes#0000FF:NONE:total size\\n"; |
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push @data, "AREA:$1-$2:used:used#CCCCFF:OK:used space"; |
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# we need this lot for our calculations, but we'll never show them |
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push @data, "NONE:$1-$2:total:total#0000FF:NONE:total size\\n"; |
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push @data, "NONE:$1-$2:used:used#CCCCFF:NONE:used space"; |
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push @data, "NONE:$1-$2:totalinodes:totalinodes#000000:NONE:total inodes"; |
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push @data, "NONE:$1-$2:freeinodes:freeinodes#000000:NONE:free inodes"; |
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# calculate peruse, add it to the graph, and add a legend |
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push @rawdata, "CDEF:peruse=used,total,/,100,*"; |
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push @rawdata, "AREA:peruse#CCCCFF:% disk used "; |
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&addlegend(\@rawdata, "peruse"); |
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# put the total space on the graph so we can map percentages to real values |
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push @rawdata, "GPRINT:total:LAST:Current total space\\: \%.2lf %sb\\c"; |
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# calculate perinodeuse, add it to the graph, and add a legend |
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push @rawdata, "CDEF:perinodeuse=totalinodes,freeinodes,totalinodes,LT,freeinodes,0,IF,-,totalinodes,/,100,*"; |
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push @rawdata, "LINE2:perinodeuse#FF4444:% inodes used"; |
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push @rawdata, "--upper-limit=100"; |
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push @rawdata, "--base=1024"; |
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&addlegend(\@rawdata, "perinodeuse"); |
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# put the total inodes on the graph so we can map percentages to real values |
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push @rawdata, "GPRINT:totalinodes:LAST:Current total inodes\\: \%.2lf %s\\c"; |
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# some name tidting |
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my($type) = $1; |
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my($name) = $2; |
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my($nicename) = $2; |
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$nicename =~ s/$hex_slash/\//g; |
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$nicename =~ s/$hex_underscore/_/g; |
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&makegraph($machine, "$type-$name", "Disk Usage for $machine on $nicename", "kilobytes", \@data, \@rawdata); |
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&makegraph($machine, "$type-$name", "Disk Usage for $machine on $nicename", "% usage", \@data, \@rawdata); |
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} |
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if($rrd =~ /^(diskio)-(\S+)\.rrd$/) { |
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my(@data); |
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my(@rawdata); |
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push @data, "LINE2:$1-$2:rbytes:rbytes#00FF00:OK:read bytes "; |
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push @data, "LINE2:$1-$2:wbytes:wbytes#0000FF:OK:write bytes"; |
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push @rawdata, "--base=1024"; |
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&makegraph($machine, "$1-$2", "Disk IO for $machine on $2", "bytes per second", \@data, \@rawdata); |
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} |
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if($rrd =~ /^(net)-(\S+)\.rrd$/) { |
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my(@data); |
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my(@rawdata); |
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push @data, "LINE2:$1-$2:rx:rx#00FF00:OK:received bytes "; |
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push @data, "LINE2:$1-$2:tx:tx#0000FF:OK:transfered bytes"; |
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push @rawdata, "--base=1024"; |
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&makegraph($machine, "$1-$2", "Network IO for $machine on $2", "bytes per second", \@data, \@rawdata); |
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} |
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# probably a queue with a name like this :) |
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if($rrd =~ /^(\d+)_0\.rrd$/) { |
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my(@data); |
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push @$dataref, "GPRINT:$name:LAST:Current\\: \%8.2lf %s"; |
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push @$dataref, "GPRINT:$name:AVERAGE:Average\\: \%8.2lf %s"; |
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push @$dataref, "GPRINT:$name:MAX:Max\\: \%8.2lf %s\\n"; |
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#push @$dataref, "GPRINT:$name:MIN:Min\\: \%8.2lf %s\\n"; |
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} |
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# hacky subroutine to return a colour |
