98 lines
1.8 KiB
Perl
Executable File
98 lines
1.8 KiB
Perl
Executable File
#!/usr/bin/perl -w
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# -*- perl -*-
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=head1 NAME
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dar_swap - Munin plugin to monitor darwin swap in/out.
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=head1 APPLICABLE SYSTEMS
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Should work on any darwin (Mac OS X) system with the 'vm_stat' command.
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=head1 CONFIGURATION
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None needed
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=head1 INTERPRETATION
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The plugin runs the vm_stat command a shows the number of pages swapped
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in/out per second.
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=head1 BUGS
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None right now.
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=head1 MAGIC MARKERS
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#%# family=auto
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#%# capabilities=autoconf
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=head1 VERSION
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v.0.0.1
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=head1 AUTHOR
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Copyright (C) 2010.
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Original version by J.T.Sage (at) gmail (dot) com.
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=head1 LICENSE
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GPLv2
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=cut
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use Munin::Plugin;
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if ( defined($ARGV[0])) {
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if ($ARGV[0] eq 'autoconf') {
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$uname = `uname`;
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if ( not ( $uname =~ /Darwin/ ) ) { print "no (not a Darwin System)\n"; }
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else {
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if ( not -x "/usr/bin/vm_stat" ) { print "no (vm_stat not found)\n"; }
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else {
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print "yes\n";
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}
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}
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exit 0;
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}
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if ( $ARGV[0] eq "config" ) {
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print "graph_title Swap in/out\n";
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print "graph_args -l 0 --base 1000\n";
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print "graph_vlabel pages per \${graph_period} in (-) / out (+)\n";
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print "graph_category system\n";
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print "swap_in.label swap\nswap_in.type DERIVE\nswap_in.max 100000\nswap_in.min 0\nswap_in.graph no\n";
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print "swap_out.label swap\nswap_out.type DERIVE\nswap_out.max 100000\nswap_out.min 0\nswap_out.negative swap_in\n";
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exit 0;
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}
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}
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@vmstat = `vm_stat`;
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for ( $i = 1; $i < $#vmstat; $i++ ) {
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$line = $vmstat[$i];
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$label = $line;
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$label =~ s/"//g;
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$label =~ s/(\w+)\:.+$/$1/;
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$label =~ s/\n//g;
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$name = $label;
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$name =~ tr/A-Z/a-z/;
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$name =~ s/[^A-Za-z0-9_]/_/g;
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$data = $line;
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$data =~ s/.+?(\d+)\./$1/;
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$data =~ s/\n//g;
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$data = int(($data / 1000) + .5);
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if ( $name eq "pageins" ) {
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print "swap_in.value " . $data . "\n";
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}
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if ( $name eq "pageouts" ) {
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print "swap_out.value " . $data . "\n";
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}
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}
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# vim:syntax=perl
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