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Zoltan HERPAI 2007-06-29 11:28:04 +02:00 committed by Steve Schnepp
parent 359a9faa64
commit dffaa52a82
1 changed files with 115 additions and 0 deletions
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plugins/other/xen_vbd Executable file
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#!/usr/bin/perl
#
# 2007-06-01 Zoltan HERPAI <wigyori@uid0.hu>
#
# Credits goes for:
# Adam Crews for his xen_cpu plugin
# Mario Manno for his xen_traffic_all plugin
#
# Script to monitor the I/O usage of Xen domains
# Version 0.1
#
#%# family=auto
#%# capabilities=autoconf
# Location of xm tools
$XM = '/usr/sbin/xm';
$XMTOP = '/usr/sbin/xentop';
# ah, parameters coming in
if ( defined($ARGV[0]))
{
if ($ARGV[0] eq 'config') { $arg = 'config'; }
if ($ARGV[0] eq 'autoconf') { $arg = 'autoconf'; }
if ( $arg eq 'autoconf' )
{
if ( -e $XM && -e $XMTOP )
{
print "yes\n";
exit 0;
}
else
{
print "no ($XM and/or $XMTOP not found\n";
exit 0;
}
}
if ( $arg eq 'config' )
{
%cnf = (
'graph_title' => 'Xen Domain I/O usage',
'graph_args' => '--base 1024 -l 0',
'graph_vlabel' => 'read (-), write (+)',
'graph_category' => 'xen',
'graph_info' => 'Display the I/O operations for each domain',
);
@domains = `$XM list`;
shift(@domains); # we don't need the header line
foreach $domain ( @domains )
{
($dom, undef) = split(/\s/, $domain);
$dom =~ s/[-.]/_/g;
$cnf{ $dom.'RD' . '.label' } = 'read';
$cnf{ $dom.'RD' . '.type' } = 'COUNTER';
$cnf{ $dom.'RD' . '.graph' } = 'no';
$cnf{ $dom.'RD' . '.cdef' } = $dom.'RD,8,*';
$cnf{ $dom.'WR' . '.label' } = $dom;
$cnf{ $dom.'WR' . '.type' } = 'COUNTER';
$cnf{ $dom.'WR' . '.negative' } = $dom.'RD';
$cnf{ $dom.'WR' . '.cdef' } = $dom.'WR,8,*';
if ( "$cnt" == "0" )
{
$cnf { "$dom" . '.draw' } = 'AREA';
}
$cnt++;
}
foreach $key ( sort(keys(%cnf)) )
{
print "$key $cnf{$key}\n";
}
exit 0;
}
}
# No args, get rolling
{
local $/ = undef;
@chunks = split(/^xentop - .*$/m, `$XMTOP -b -i1`);
}
@stats = split (/\n/, pop(@chunks));
shift(@stats);
shift(@stats);
shift(@stats);
shift(@stats);
foreach $domain (@stats)
{
$domain =~ s/^\s+//;
@tmp = split(/\s+/, $domain);
$domname = $tmp[0];
$domname =~ s/[-.]/_/g;
$vbdrd = $tmp[14];
$vbdwr = $tmp[15];
$vals{$domname."RD"}{'value'} = $vbdrd;
$vals{$domname."WR"}{'value'} = $vbdwr;
}
foreach $key ( sort(keys(%vals)) )
{
print "$key.value " . ($vals{$key}{'value'}) . "\n";
}