root / plugins / libvirt / libvirt @ 17f78427
Historique | Voir | Annoter | Télécharger (50,2 ko)
| 1 |
#!/usr/bin/perl -w |
|---|---|
| 2 |
# $Id: libvirt 24900 2010-03-30 13:50:40Z espen $ |
| 3 |
# |
| 4 |
# Copyright (C) 2010 Espen Braastad |
| 5 |
# |
| 6 |
# This program is free software; you can redistribute it and/or |
| 7 |
# modify it under the terms of the GNU General Public License |
| 8 |
# as published by the Free Software Foundation; version 2 dated June, |
| 9 |
# 1991. |
| 10 |
# |
| 11 |
# This program is distributed in the hope that it will be useful, |
| 12 |
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
# GNU General Public License for more details. |
| 15 |
# |
| 16 |
# You should have received a copy of the GNU General Public License |
| 17 |
# along with this program; if not, write to the Free Software |
| 18 |
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 |
# |
| 20 |
# |
| 21 |
# This multigraph plugin monitors libvirt resource usage. |
| 22 |
# |
| 23 |
# Configuration variables: |
| 24 |
# |
| 25 |
# General variables: |
| 26 |
# address - to libvirt (default "xen:///") |
| 27 |
# username - to libvirt (default: "") |
| 28 |
# password - to libvirt (default: "") |
| 29 |
# tmpfile - to cache values (default: "/var/lib/munin/plugin-state/libvirt") |
| 30 |
# |
| 31 |
# Variables to enable or disable graphs: |
| 32 |
# show_cpu_used - 1 to enable, 0 to disable [default = 1] |
| 33 |
# show_disk_traffic - 1 to enable, 0 to disable [default = 1] |
| 34 |
# show_disk_utilization - 1 to enable, 0 to disable [default = 1] |
| 35 |
# show_disk_latency - 1 to enable, 0 to disable [default = 1] |
| 36 |
# show_memory_allocated - 1 to enable, 0 to disable [default = 1] |
| 37 |
# show_network_traffic - 1 to enable, 0 to disable [default = 1] |
| 38 |
# show_network_drops - 1 to enable, 0 to disable [default = 1] |
| 39 |
# |
| 40 |
# Requirements: |
| 41 |
# RHEL5: perl-Sys-Virt.x86_64 |
| 42 |
# |
| 43 |
# Revision 1.4 2010/03/30 espen |
| 44 |
# Added graphs for i/o utilization |
| 45 |
# |
| 46 |
# Revision 1.3 2010/03/29 espen |
| 47 |
# Added graphs for i/o latency |
| 48 |
# |
| 49 |
# Revision 1.2 2010/03/19 espen |
| 50 |
# Added support for enable/disable graphs from plugin-conf.d. |
| 51 |
# Added graphs for disk errors and network drops. |
| 52 |
# |
| 53 |
# Revision 1.1 2010/03/14 espen |
| 54 |
# Added support for monitoring network (bits) and disk (bytes) usage. |
| 55 |
# |
| 56 |
# Revision 1.0 2010/03/11 espen |
| 57 |
# Initial version. Support for cpu and memory per domain. |
| 58 |
# |
| 59 |
#%# family=auto |
| 60 |
#%# capabilities=autoconf |
| 61 |
|
| 62 |
use strict; |
| 63 |
use XML::Twig; |
| 64 |
use Sys::Virt; |
| 65 |
use Sys::Virt::Domain; |
| 66 |
use File::stat; |
| 67 |
use Storable; |
| 68 |
use Time::localtime; |
| 69 |
|
| 70 |
my $address = $ENV{address} || "xen:///";
|
| 71 |
my $username = $ENV{username} || "";
|
| 72 |
my $password = $ENV{password} || "";
|
| 73 |
my $tmpfile = $ENV{tmpfile} || "$ENV{MUNIN_PLUGSTATE}/libvirt";
|
| 74 |
my $decimals=5; |
| 75 |
|
| 76 |
my %show=(); |
| 77 |
|
| 78 |
# Reading values from plugin-conf.d or set defaults. |
| 79 |
$show{'cpu_used'} = $ENV{show_cpu_used} || 1;
|
| 80 |
$show{'disk_traffic'} = $ENV{show_disk_traffic} || 1;
|
| 81 |
$show{'disk_utilization'} = $ENV{show_disk_utilization} || 1;
|
| 82 |
$show{'disk_latency'} = $ENV{show_disk_latency} || 1;
|
| 83 |
$show{'disk_errors'} = $ENV{show_disk_errors} || 1;
|
| 84 |
$show{'memory_allocated'} = $ENV{show_memory_allocated} || 1;
|
| 85 |
$show{'network_traffic'} = $ENV{show_network_traffic} || 1;
|
| 86 |
$show{'network_drops'} = $ENV{show_network_drops} || 1;
|
| 87 |
|
| 88 |
sub init() {
|
| 89 |
my $type=undef; |
| 90 |
|
| 91 |
if ($ARGV[0] and $ARGV[0] eq "config"){
|
| 92 |
$type="config"; |
| 93 |
} |
| 94 |
if ($ARGV[0] and $ARGV[0] eq "autoconf"){
|
| 95 |
&autoconf(); |
| 96 |
exit; |
| 97 |
} |
| 98 |
if(!$ARGV[0]){
|
| 99 |
$type="fetch"; |
| 100 |
} |
| 101 |
|
| 102 |
if(!defined($type)){
|
| 103 |
print "Argument not supported, see the howto.\n"; |
| 104 |
} |
| 105 |
|
| 106 |
# Connecting to libvirt |
| 107 |
my $vmm=&connect(); |
| 108 |
|
| 109 |
my @domains = $vmm->list_domains(); |
| 110 |
|
| 111 |
my %hash=(); |
| 112 |
|
| 113 |
my $node = $vmm->get_node_info(); |
| 114 |
# 'model' => 'x86_64', |
| 115 |
# 'threads' => 2, |
| 116 |
# 'cores' => 4, |
| 117 |
# 'memory' => 33545216, |
| 118 |
# 'mhz' => 2261, |
| 119 |
# 'sockets' => 2, |
| 120 |
# 'nodes' => 1, |
| 121 |
# 'cpus' => 16 |
| 122 |
|
| 123 |
foreach my $domain (@domains) {
|
| 124 |
|
| 125 |
my $name = $domain->get_name(); |
| 126 |
$hash{$name}{'name'} = $name;
|
| 127 |
$hash{$name}{'id'} = $domain->get_id();
|
| 128 |
$hash{$name}{'info'} = $domain->get_info();
|
| 129 |
$hash{$name}{'maxvcpus'} = $domain->get_max_vcpus();
|
| 130 |
$hash{$name}{'maxmem'} = $domain->get_max_memory();
|
| 131 |
$hash{$name}{'type'} = $domain->get_os_type();
|
| 132 |
$hash{$name}{'scheduler'} = $domain->get_scheduler_type();
|
| 133 |
$hash{$name}{'xml'} = parse_xml($domain->get_xml_description());
|
| 134 |
$hash{$name}{'label'} = clean_label($name);
|
| 135 |
|
| 136 |
# Calculate cputime used in percent |
| 137 |
if(defined($hash{$name}{'info'}{'cpuTime'}) && defined($node->{'cpus'})){
|
| 138 |
$hash{$name}{'info'}{'cpuPercentage'} = sprintf("%d",1.0e-7 * $hash{$name}{'info'}{'cpuTime'} / $node->{'cpus'});
|
| 139 |
} |
| 140 |
|
| 141 |
# Calculate bytes |
| 142 |
if(defined($hash{$name}{'info'}{'memory'})){
|
| 143 |
$hash{$name}{'info'}{'memory_bytes'} = 1024 * $hash{$name}{'info'}{'memory'};
|
| 144 |
} |
| 145 |
|
| 146 |
# Extract network usage |
| 147 |
if(defined($hash{$name}{'xml'}{'devices'}{'interface'}{'bridge'})){
|
| 148 |
my $vif_id=0; |
| 149 |
for my $vif (keys %{$hash{$name}{'xml'}{'devices'}{'interface'}{'bridge'}}){
|
| 150 |
$hash{$name}{'devices'}{'network'}{$vif}=$domain->interface_stats($vif);
|
| 151 |
|
| 152 |
# The interface number on this $VM. Will be used as ID later in labels |
| 153 |
$hash{$name}{'devices'}{'network'}{$vif}{'vif_id'}=$vif_id;
|
| 154 |
$vif_id++; |
| 155 |
} |
| 156 |
} |
| 157 |
|
| 158 |
# Extract block device usage |
| 159 |
if(defined($hash{$name}{'xml'}{'devices'}{'disk'}{'block'})){
|
| 160 |
for my $block (keys %{$hash{$name}{'xml'}{'devices'}{'disk'}{'block'}}){
|
| 161 |
$hash{$name}{'devices'}{'block'}{$block}=$domain->block_stats($block);
|
| 162 |
} |
| 163 |
} |
| 164 |
|
| 165 |
# Gather data later used to calculate latency and utilization |
| 166 |
if(defined($hash{$name}{'xml'}{'devices'}{'disk'}{'block'})){
|
| 167 |
for my $block (keys %{$hash{$name}{'xml'}{'devices'}{'disk'}{'block'}}){
|
| 168 |
if(defined($hash{$name}{'devices'}{'block'}{$block})){
|
| 169 |
my $source_dev=$hash{$name}{'xml'}{'devices'}{'disk'}{'block'}{$block}{'source'};
|
| 170 |
$hash{$name}{'devices'}{'block'}{$block}{'source'}{$source_dev}=read_diskstats($source_dev);
|
| 171 |
} |
| 172 |
} |
| 173 |
} |
| 174 |
} |
| 175 |
|
| 176 |
my $prev_time=&get_prev_time($tmpfile); |
| 177 |
my $time=time(); |
| 178 |
my $prev_state_ref=undef; |
| 179 |
|
| 180 |
# Cache the result to disk if we graphs that require cache are enabled |
| 181 |
if($show{'disk_latency'} == 1 || $show{'disk_utilization'} == 1){
|
| 182 |
if(-e $tmpfile){
|
| 183 |
$prev_state_ref=retrieve($tmpfile); |
| 184 |
} |
| 185 |
|
| 186 |
store(\%hash,$tmpfile); |
| 187 |
} |
| 188 |
|
| 189 |
# |
| 190 |
# Disk utilization |
| 191 |
# |
| 192 |
|
| 193 |
if($show{'disk_utilization'} == 1){
|
| 194 |
|
| 195 |
# |
| 196 |
# Disk utilization, top level |
| 197 |
# |
| 198 |
|
| 199 |
if($type eq "config"){
|
| 200 |
print "multigraph libvirt_disk_utilization\n"; |
| 201 |
#print "graph_order rd wr\n"; |
| 202 |
print "graph_title Disk utilization per domain in percent\n"; |
| 203 |
print "graph_vlabel %\n"; |
| 204 |
print "graph_category virtualization\n"; |
| 205 |
print "graph_args -l 0 --base 1000 --upper-limit 100\n"; |
| 206 |
#print "graph_width 550\n"; |
| 207 |
|
| 208 |
for my $vm (sort keys %hash) {
|
| 209 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 210 |
print $hash{$vm}{'label'} . ".label " . $hash{$vm}{'name'} . "\n";
|
| 211 |
print $hash{$vm}{'label'} . ".info The maximum I/O utilization in percent on " . $hash{$vm}{'name'} . ". If the time spent for I/O is close to 1000 msec for a given second, the device is nearly 100% saturated. If the virtual machine have more than one disk, the value from the disk with the highest utilization is being shown.\n";
|
| 212 |
print $hash{$vm}{'label'} . ".min 0\n";
|
| 213 |
print $hash{$vm}{'label'} . ".draw LINE2\n";
|
| 214 |
} |
| 215 |
} |
| 216 |
print "\n"; |
| 217 |
|
| 218 |
} elsif($type eq "fetch"){
|
| 219 |
print "multigraph libvirt_disk_utilization\n"; |
| 220 |
for my $vm (sort keys %hash) {
|
| 221 |
if(defined($hash{$vm}{'devices'}{'block'}) && defined($prev_state_ref->{$vm}->{'devices'}->{'block'})){
|
| 222 |
|
| 223 |
my $utilization=0; |
| 224 |
|
| 225 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 226 |
|
| 227 |
if(defined($prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device})){
|
| 228 |
|
| 229 |
for my $source_device (keys %{$hash{$vm}{'devices'}{'block'}{$device}{'source'}}){
|
| 230 |
|
| 231 |
for my $slave_device (keys %{$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}}){
|
| 232 |
|
| 233 |
my $prev_ms_spent_doing_io=$prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device}->{'source'}->{$source_device}->{'slaves'}->{$slave_device}->{'io_ticks'};
|
| 234 |
my $cur_ms_spent_doing_io=$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}{$slave_device}{'io_ticks'};
|
| 235 |
|
| 236 |
if($cur_ms_spent_doing_io > $prev_ms_spent_doing_io){
|
| 237 |
my $ticks=$cur_ms_spent_doing_io-$prev_ms_spent_doing_io; |
| 238 |
my $interval_ms=($time-$prev_time)*1000; |
| 239 |
if($interval_ms > 0){
|
| 240 |
my $dev_utilization=($ticks/$interval_ms)*100; |
| 241 |
|
| 242 |
# Will only print show the highest utilization on each VM on the top level graph |
| 243 |
if($dev_utilization > $utilization){
|
| 244 |
$utilization=sprintf("%.${decimals}f",$dev_utilization);
|
| 245 |
} |
| 246 |
} |
| 247 |
} |
| 248 |
} |
| 249 |
} |
| 250 |
} |
| 251 |
} |
| 252 |
print $hash{$vm}{'label'} . ".value " . $utilization . "\n";
|
| 253 |
} |
| 254 |
} |
| 255 |
print "\n"; |
| 256 |
} |
| 257 |
|
| 258 |
# |
| 259 |
# Disk utilization, second level |
| 260 |
# |
| 261 |
|
| 262 |
for my $vm (sort keys %hash) {
|
| 263 |
my $devices=0; |
| 264 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 265 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 266 |
$devices++; |
| 267 |
} |
| 268 |
} |
| 269 |
if($type eq "config"){
|
| 270 |
print "multigraph libvirt_disk_utilization." . $hash{$vm}{'label'} . "\n";
|
| 271 |
#print "graph_order rd wr\n"; |
| 272 |
print "graph_title Disk utilization on " . $vm . " in percent\n"; |
| 273 |
print "graph_vlabel %\n"; |
| 274 |
print "graph_category virtualization\n"; |
| 275 |
print "graph_args -l 0 --base 1000 --upper-limit 100\n"; |
| 276 |
#print "graph_width 550\n"; |
| 277 |
|
| 278 |
if($devices>0){
|
| 279 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 280 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 281 |
print $hash{$vm}{'label'} . "_" . $device . ".label " . $device . "\n";
|
| 282 |
print $hash{$vm}{'label'} . "_" . $device . ".info The maximum I/O utilization in percent on " . $device . ". If the time spent for I/O is close to 1000 msec for a given second, the device is nearly 100% saturated.\n";
|
| 283 |
print $hash{$vm}{'label'} . "_" . $device . ".min 0\n";
|
| 284 |
print $hash{$vm}{'label'} . "_" . $device . ".draw LINE2\n";
|
| 285 |
} |
| 286 |
} |
| 287 |
} |
| 288 |
print "\n"; |
| 289 |
|
| 290 |
} elsif($type eq "fetch"){
|
| 291 |
if($devices > 0){
|
| 292 |
print "multigraph libvirt_disk_utilization." . $hash{$vm}{'label'} . "\n";
|
| 293 |
if(defined($hash{$vm}{'devices'}{'block'}) && defined($prev_state_ref->{$vm}->{'devices'}->{'block'})){
|
| 294 |
|
| 295 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 296 |
|
| 297 |
my $utilization=0; |
| 298 |
|
| 299 |
if(defined($prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device})){
|
| 300 |
|
| 301 |
for my $source_device (keys %{$hash{$vm}{'devices'}{'block'}{$device}{'source'}}){
|
| 302 |
|
| 303 |
for my $slave_device (keys %{$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}}){
|
| 304 |
|
| 305 |
my $prev_ms_spent_doing_io=$prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device}->{'source'}->{$source_device}->{'slaves'}->{$slave_device}->{'io_ticks'};
|
| 306 |
my $cur_ms_spent_doing_io=$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}{$slave_device}{'io_ticks'};
|
| 307 |
|
| 308 |
if($cur_ms_spent_doing_io > $prev_ms_spent_doing_io){
|
| 309 |
my $ticks=$cur_ms_spent_doing_io-$prev_ms_spent_doing_io; |
| 310 |
my $interval_ms=($time-$prev_time)*1000; |
| 311 |
if($interval_ms > 0){
|
| 312 |
my $dev_utilization=($ticks/$interval_ms)*100; |
| 313 |
$utilization=sprintf("%.${decimals}f",$dev_utilization);
|
| 314 |
} |
| 315 |
} |
| 316 |
} |
| 317 |
} |
| 318 |
} |
| 319 |
print $hash{$vm}{'label'} . "_" . $device . ".value " . $utilization . "\n";
|
| 320 |
} |
| 321 |
} |
| 322 |
print "\n"; |
| 323 |
} |
| 324 |
} |
| 325 |
} |
| 326 |
} |
| 327 |
|
| 328 |
# |
| 329 |
# Disk latency |
| 330 |
# |
| 331 |
|
| 332 |
if($show{'disk_latency'} == 1){
|
| 333 |
|
| 334 |
# |
| 335 |
# Disk latency, top level |
| 336 |
# |
| 337 |
|
| 338 |
if($type eq "config"){
|
| 339 |
print "multigraph libvirt_disk_latency\n"; |
| 340 |
#print "graph_order rd wr\n"; |
| 341 |
print "graph_title Disk latency per domain in seconds\n"; |
| 342 |
print "graph_args --base 1000\n"; |
| 343 |
print "graph_vlabel read (-) / write (+)\n"; |
| 344 |
print "graph_category virtualization\n"; |
| 345 |
#print "graph_width 550\n"; |
| 346 |
|
| 347 |
for my $vm (sort keys %hash) {
|
| 348 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 349 |
|
| 350 |
# Will only graph the domains with one or more block device |
| 351 |
my $devices=0; |
| 352 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 353 |
$devices++; |
| 354 |
} |
| 355 |
if($devices > 0){
|
| 356 |
print $hash{$vm}{'label'} . "_rd.label " . $hash{$vm}{'name'} . "_rd\n";
|
| 357 |
print $hash{$vm}{'label'} . "_rd.info I/O latency in seconds on " . $hash{$vm}{'name'} . "\n";
|
| 358 |
print $hash{$vm}{'label'} . "_rd.min 0\n";
|
| 359 |
print $hash{$vm}{'label'} . "_rd.draw LINE2\n";
|
| 360 |
print $hash{$vm}{'label'} . "_rd.graph no\n";
|
| 361 |
|
| 362 |
print $hash{$vm}{'label'} . "_wr.label " . $hash{$vm}{'name'} . "\n";
|
| 363 |
print $hash{$vm}{'label'} . "_wr.info I/O latency in seconds on " . $hash{$vm}{'name'} . "\n";
|
| 364 |
print $hash{$vm}{'label'} . "_wr.min 0\n";
|
| 365 |
print $hash{$vm}{'label'} . "_wr.draw LINE2\n";
|
| 366 |
print $hash{$vm}{'label'} . "_wr.negative " . $hash{$vm}{'label'} . "_rd\n";
|
| 367 |
} |
| 368 |
} |
| 369 |
} |
| 370 |
print "\n"; |
| 371 |
|
| 372 |
} elsif($type eq "fetch"){
|
| 373 |
print "multigraph libvirt_disk_latency\n"; |
| 374 |
for my $vm (sort keys %hash) {
|
| 375 |
if(defined($hash{$vm}{'devices'}{'block'}) && defined($prev_state_ref->{$vm}->{'devices'}->{'block'})){
|
| 376 |
|
| 377 |
my $prev_total_time_spent_writing=0; |
| 378 |
my $prev_total_time_spent_reading=0; |
| 379 |
my $prev_total_ios_read=0; |
| 380 |
my $prev_total_ios_written=0; |
| 381 |
my $cur_total_time_spent_writing=0; |
| 382 |
my $cur_total_time_spent_reading=0; |
| 383 |
my $cur_total_ios_read=0; |
| 384 |
my $cur_total_ios_written=0; |
| 385 |
|
| 386 |
my $devices=0; |
| 387 |
|
| 388 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 389 |
$devices++; |
| 390 |
|
| 391 |
if(defined($prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device})){
|
| 392 |
|
| 393 |
for my $source_device (keys %{$hash{$vm}{'devices'}{'block'}{$device}{'source'}}){
|
| 394 |
|
| 395 |
for my $slave_device (keys %{$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}}){
|
| 396 |
|
| 397 |
my $prev_time_spent_writing=$prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device}->{'source'}->{$source_device}->{'slaves'}->{$slave_device}->{'write_ticks'};
|
| 398 |
my $prev_time_spent_reading=$prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device}->{'source'}->{$source_device}->{'slaves'}->{$slave_device}->{'read_ticks'};
|
| 399 |
my $prev_ios_read=$prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device}->{'source'}->{$source_device}->{'slaves'}->{$slave_device}->{'read_ios'};
|
| 400 |
my $prev_ios_written=$prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device}->{'source'}->{$source_device}->{'slaves'}->{$slave_device}->{'write_ios'};
|
| 401 |
|
| 402 |
my $cur_time_spent_writing=$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}{$slave_device}{'write_ticks'};
|
| 403 |
my $cur_time_spent_reading=$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}{$slave_device}{'read_ticks'};
|
| 404 |
my $cur_ios_read=$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}{$slave_device}{'read_ios'};
|
| 405 |
my $cur_ios_written=$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}{$slave_device}{'write_ios'};
|
| 406 |
|
| 407 |
$prev_total_time_spent_writing+=$prev_time_spent_writing; |
| 408 |
$prev_total_time_spent_reading+=$prev_time_spent_reading; |
| 409 |
$prev_total_ios_read+=$prev_ios_read; |
| 410 |
$prev_total_ios_written+=$prev_ios_written; |
| 411 |
|
| 412 |
$cur_total_time_spent_writing+=$cur_time_spent_writing; |
| 413 |
$cur_total_time_spent_reading+=$cur_time_spent_reading; |
| 414 |
$cur_total_ios_read+=$cur_ios_read; |
| 415 |
$cur_total_ios_written+=$cur_ios_written; |
| 416 |
} |
| 417 |
} |
| 418 |
} |
| 419 |
} |
| 420 |
|
| 421 |
my $read_latency=0; |
| 422 |
my $write_latency=0; |
| 423 |
|
| 424 |
if($prev_total_time_spent_reading > 0 && $prev_total_ios_read > 0 && ($cur_total_ios_read-$prev_total_ios_read) > 0){
|
| 425 |
$read_latency=(($cur_total_time_spent_reading-$prev_total_time_spent_reading)/($cur_total_ios_read-$prev_total_ios_read))/1000; |
| 426 |
} |
| 427 |
|
| 428 |
if($prev_total_time_spent_writing > 0 && $prev_total_ios_written > 0 && ($cur_total_ios_written-$prev_total_ios_written) > 0){
|
| 429 |
$write_latency=(($cur_total_time_spent_writing-$prev_total_time_spent_writing)/($cur_total_ios_written-$prev_total_ios_written))/1000; |
| 430 |
} |
| 431 |
|
| 432 |
if($devices > 0){
|
| 433 |
print $hash{$vm}{'label'} . "_rd.value " . $read_latency . "\n";
|
| 434 |
print $hash{$vm}{'label'} . "_wr.value " . $write_latency . "\n";
|
| 435 |
} |
| 436 |
} |
| 437 |
} |
| 438 |
print "\n"; |
| 439 |
} |
| 440 |
|
| 441 |
# |
| 442 |
# Disk latency, second level |
| 443 |
# |
| 444 |
|
| 445 |
for my $vm (sort keys %hash) {
|
| 446 |
my $devices=0; |
| 447 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 448 |
$devices++; |
| 449 |
} |
| 450 |
if($devices > 0){
|
| 451 |
if($type eq "config"){
|
| 452 |
print "multigraph libvirt_disk_latency.$hash{$vm}{'label'}\n";
|
| 453 |
#print "graph_order rd wr\n"; |
| 454 |
print "graph_title Disk latency per vbd on $vm in seconds\n"; |
| 455 |
print "graph_args --base 1000\n"; |
| 456 |
print "graph_vlabel read (-) / write (+)\n"; |
| 457 |
print "graph_category virtualization\n"; |
| 458 |
#print "graph_width 550\n"; |
| 459 |
|
| 460 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 461 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 462 |
|
| 463 |
print $hash{$vm}{'label'} . "_" . $device . "_rd.label " . $device . "_rd\n";
|
| 464 |
print $hash{$vm}{'label'} . "_" . $device . "_rd.info I/O latency in seconds on " . $hash{$vm}{'name'} . ":" . $device . "\n";
|
| 465 |
print $hash{$vm}{'label'} . "_" . $device . "_rd.min 0\n";
|
| 466 |
print $hash{$vm}{'label'} . "_" . $device . "_rd.draw LINE2\n";
|
| 467 |
print $hash{$vm}{'label'} . "_" . $device . "_rd.graph no\n";
|
| 468 |
|
| 469 |
print $hash{$vm}{'label'} . "_" . $device . "_wr.label " . $device . "\n";
|
| 470 |
print $hash{$vm}{'label'} . "_" . $device . "_wr.info I/O latency in seconds on " . $hash{$vm}{'name'} . ":" . $device . "\n";
|
| 471 |
print $hash{$vm}{'label'} . "_" . $device . "_wr.min 0\n";
|
| 472 |
print $hash{$vm}{'label'} . "_" . $device . "_wr.draw LINE2\n";
|
| 473 |
print $hash{$vm}{'label'} . "_" . $device . "_wr.negative " . $hash{$vm}{'label'} . "_" . $device . "_rd\n";
|
| 474 |
} |
| 475 |
print "\n"; |
| 476 |
} |
| 477 |
|
| 478 |
} elsif($type eq "fetch"){
|
| 479 |
print "multigraph libvirt_disk_latency.$hash{$vm}{'label'}\n";
|
| 480 |
if(defined($hash{$vm}{'devices'}{'block'}) && defined($prev_state_ref->{$vm}->{'devices'}->{'block'})){
|
| 481 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 482 |
|
| 483 |
if(defined($prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device})){
|
| 484 |
|
| 485 |
for my $source_device (keys %{$hash{$vm}{'devices'}{'block'}{$device}{'source'}}){
|
| 486 |
|
| 487 |
my $prev_total_time_spent_writing=0; |
| 488 |
my $prev_total_time_spent_reading=0; |
| 489 |
my $prev_total_ios_read=0; |
| 490 |
my $prev_total_ios_written=0; |
| 491 |
my $cur_total_time_spent_writing=0; |
| 492 |
my $cur_total_time_spent_reading=0; |
| 493 |
my $cur_total_ios_read=0; |
| 494 |
my $cur_total_ios_written=0; |
| 495 |
|
| 496 |
for my $slave_device (keys %{$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}}){
|
| 497 |
|
| 498 |
my $prev_time_spent_writing=$prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device}->{'source'}->{$source_device}->{'slaves'}->{$slave_device}->{'write_ticks'};
|
| 499 |
my $prev_time_spent_reading=$prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device}->{'source'}->{$source_device}->{'slaves'}->{$slave_device}->{'read_ticks'};
|
| 500 |
my $prev_ios_read=$prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device}->{'source'}->{$source_device}->{'slaves'}->{$slave_device}->{'read_ios'};
|
| 501 |
my $prev_ios_written=$prev_state_ref->{$vm}->{'devices'}->{'block'}->{$device}->{'source'}->{$source_device}->{'slaves'}->{$slave_device}->{'write_ios'};
|
| 502 |
|
| 503 |
my $cur_time_spent_writing=$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}{$slave_device}{'write_ticks'};
|
| 504 |
my $cur_time_spent_reading=$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}{$slave_device}{'read_ticks'};
|
| 505 |
my $cur_ios_read=$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}{$slave_device}{'read_ios'};
|
| 506 |
my $cur_ios_written=$hash{$vm}{'devices'}{'block'}{$device}{'source'}{$source_device}{'slaves'}{$slave_device}{'write_ios'};
|
| 507 |
|
| 508 |
$prev_total_time_spent_writing+=$prev_time_spent_writing; |
| 509 |
$prev_total_time_spent_reading+=$prev_time_spent_reading; |
| 510 |
$prev_total_ios_read+=$prev_ios_read; |
| 511 |
$prev_total_ios_written+=$prev_ios_written; |
| 512 |
|
| 513 |
$cur_total_time_spent_writing+=$cur_time_spent_writing; |
| 514 |
$cur_total_time_spent_reading+=$cur_time_spent_reading; |
| 515 |
$cur_total_ios_read+=$cur_ios_read; |
| 516 |
$cur_total_ios_written+=$cur_ios_written; |
| 517 |
} |
| 518 |
|
| 519 |
my $read_latency=0; |
| 520 |
my $write_latency=0; |
| 521 |
|
| 522 |
if($prev_total_time_spent_reading > 0 && $prev_total_ios_read > 0 && ($cur_total_ios_read-$prev_total_ios_read) > 0){
|
| 523 |
$read_latency=(($cur_total_time_spent_reading-$prev_total_time_spent_reading)/($cur_total_ios_read-$prev_total_ios_read))/1000; |
| 524 |
} |
| 525 |
|
| 526 |
if($prev_total_time_spent_writing > 0 && $prev_total_ios_written > 0 && ($cur_total_ios_written-$prev_total_ios_written) > 0){
|
| 527 |
$write_latency=(($cur_total_time_spent_writing-$prev_total_time_spent_writing)/($cur_total_ios_written-$prev_total_ios_written))/1000; |
| 528 |
} |
| 529 |
|
| 530 |
print $hash{$vm}{'label'} . "_" . $device . "_rd.value " . $read_latency . "\n";
|
| 531 |
print $hash{$vm}{'label'} . "_" . $device . "_wr.value " . $write_latency . "\n";
|
| 532 |
|
| 533 |
} |
| 534 |
} |
| 535 |
} |
| 536 |
} |
| 537 |
} |
| 538 |
print "\n"; |
| 539 |
} |
| 540 |
} |
| 541 |
} |
| 542 |
|
| 543 |
if($show{'disk_traffic'} == 1){
|
| 544 |
|
| 545 |
# |
| 546 |
# Disk used, top level |
| 547 |
# |
| 548 |
|
| 549 |
if($type eq "config"){
|
| 550 |
print "multigraph libvirt_disk\n"; |
| 551 |
#print "graph_order rd wr\n"; |
| 552 |
print "graph_title Disk traffic per domain in bytes\n"; |
| 553 |
print "graph_args --base 1000\n"; |
| 554 |
print "graph_vlabel bytes read (-) / written (+) per \${graph_period}\n";
|
| 555 |
print "graph_category virtualization\n"; |
| 556 |
#print "graph_width 550\n"; |
| 557 |
|
| 558 |
for my $vm (sort keys %hash) {
|
| 559 |
my $devices=0; |
| 560 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 561 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 562 |
$devices++; |
| 563 |
} |
| 564 |
} |
| 565 |
|
| 566 |
if($devices > 0){
|
| 567 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 568 |
|
| 569 |
print $hash{$vm}{'label'} . "_rd_bytes.label " . $hash{$vm}{'name'} . "\n";
|
| 570 |
print $hash{$vm}{'label'} . "_rd_bytes.type COUNTER\n";
|
| 571 |
print $hash{$vm}{'label'} . "_rd_bytes.info The number of bytes read by " . $hash{$vm}{'name'} . "\n";
|
| 572 |
print $hash{$vm}{'label'} . "_rd_bytes.min 0\n";
|
| 573 |
print $hash{$vm}{'label'} . "_rd_bytes.draw LINE2\n";
|
| 574 |
print $hash{$vm}{'label'} . "_rd_bytes.graph no\n";
|
| 575 |
|
| 576 |
print $hash{$vm}{'label'} . "_wr_bytes.label " . $hash{$vm}{'name'} . "\n";
|
| 577 |
print $hash{$vm}{'label'} . "_wr_bytes.type COUNTER\n";
|
| 578 |
print $hash{$vm}{'label'} . "_wr_bytes.info The number of bytes written by " . $hash{$vm}{'name'} . "\n";
|
| 579 |
print $hash{$vm}{'label'} . "_wr_bytes.min 0\n";
|
| 580 |
print $hash{$vm}{'label'} . "_wr_bytes.draw LINE2\n";
|
| 581 |
print $hash{$vm}{'label'} . "_wr_bytes.negative " . $hash{$vm}{'label'} . "_rd_bytes\n";
|
| 582 |
} |
| 583 |
} |
| 584 |
} |
| 585 |
print "\n"; |
| 586 |
|
| 587 |
} elsif($type eq "fetch"){
|
| 588 |
print "multigraph libvirt_disk\n"; |
| 589 |
for my $vm (sort keys %hash) {
|
| 590 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 591 |
my $total_read=0; |
| 592 |
my $total_write=0; |
| 593 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 594 |
$total_read+=$hash{$vm}{'devices'}{'block'}{$device}{'rd_bytes'};
|
| 595 |
$total_write+=$hash{$vm}{'devices'}{'block'}{$device}{'wr_bytes'};
|
| 596 |
} |
| 597 |
print $hash{$vm}{'label'} . "_rd_bytes.value " . $total_read . "\n";
|
| 598 |
print $hash{$vm}{'label'} . "_wr_bytes.value " . $total_write . "\n";
|
| 599 |
} |
| 600 |
} |
| 601 |
print "\n"; |
| 602 |
} |
| 603 |
|
| 604 |
# |
| 605 |
# Disk used, second level |
| 606 |
# |
| 607 |
|
| 608 |
for my $vm (sort keys %hash) {
|
| 609 |
my $devices=0; |
| 610 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 611 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 612 |
$devices++; |
| 613 |
} |
| 614 |
} |
| 615 |
|
| 616 |
if($devices > 0){
|
| 617 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 618 |
if($type eq "config"){
|
| 619 |
print "multigraph libvirt_disk.bytes_" . $hash{$vm}{'label'} . "\n";
|
| 620 |
#print "graph_order rd wr\n"; |
| 621 |
print "graph_title Disk traffic for " . $hash{$vm}{'name'} . "\n";
|
| 622 |
print "graph_args --base 1000\n"; |
| 623 |
print "graph_vlabel bytes read (-) / written (+) per \${graph_period}\n";
|
| 624 |
print "graph_category virtualization\n"; |
| 625 |
#print "graph_width 550\n"; |
| 626 |
|
| 627 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 628 |
print $device . "_rd_bytes.label " . $device . "_rd\n"; |
| 629 |
print $device . "_rd_bytes.type COUNTER\n"; |
| 630 |
print $device . "_rd_bytes.info The number of bytes read by " . $hash{$vm}{'name'} . "\n";
|
| 631 |
print $device . "_rd_bytes.min 0\n"; |
| 632 |
print $device . "_rd_bytes.graph no\n"; |
| 633 |
|
| 634 |
print $device . "_wr_bytes.label " . $device . "\n"; |
| 635 |
print $device . "_wr_bytes.type COUNTER\n"; |
| 636 |
print $device . "_wr_bytes.info The number of bytes written by " . $hash{$vm}{'name'} . "\n";
|
| 637 |
print $device . "_wr_bytes.min 0\n"; |
| 638 |
print $device . "_wr_bytes.draw LINE2\n"; |
| 639 |
print $device . "_wr_bytes.negative " . $device . "_rd_bytes\n"; |
| 640 |
} |
| 641 |
print "\n"; |
| 642 |
|
| 643 |
} elsif($type eq "fetch"){
|
| 644 |
print "multigraph libvirt_disk.bytes_" . $hash{$vm}{'label'} . "\n";
|
| 645 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 646 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 647 |
print $device . "_rd_bytes.value " . $hash{$vm}{'devices'}{'block'}{$device}{'rd_bytes'} . "\n";
|
| 648 |
print $device . "_wr_bytes.value " . $hash{$vm}{'devices'}{'block'}{$device}{'wr_bytes'} . "\n";
|
| 649 |
} |
| 650 |
} |
| 651 |
print "\n"; |
| 652 |
} |
| 653 |
} |
| 654 |
} |
| 655 |
} |
| 656 |
} |
| 657 |
|
| 658 |
# |
| 659 |
# Disk errors |
| 660 |
# |
| 661 |
# errs -> Some kind of error count |
| 662 |
|
| 663 |
|
| 664 |
if($show{'disk_errors'} == 1){
|
| 665 |
|
| 666 |
# |
| 667 |
# Disk errors, top level |
| 668 |
# |
| 669 |
|
| 670 |
if($type eq "config"){
|
| 671 |
print "multigraph libvirt_disk_errs\n"; |
| 672 |
print "graph_title Disk errors per domain\n"; |
| 673 |
print "graph_args --base 1000\n"; |
| 674 |
print "graph_category virtualization\n"; |
| 675 |
|
| 676 |
for my $vm (sort keys %hash) {
|
| 677 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 678 |
my $devices=0; |
| 679 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 680 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 681 |
$devices++; |
| 682 |
} |
| 683 |
} |
| 684 |
if($devices > 0){
|
| 685 |
print $hash{$vm}{'label'} . "_errs.label " . $hash{$vm}{'name'} . "\n";
|
| 686 |
print $hash{$vm}{'label'} . "_errs.type COUNTER\n";
|
| 687 |
print $hash{$vm}{'label'} . "_errs.info The number of errors by " . $hash{$vm}{'name'} . "\n";
|
| 688 |
print $hash{$vm}{'label'} . "_errs.min 0\n";
|
| 689 |
print $hash{$vm}{'label'} . "_errs.draw LINE2\n";
|
| 690 |
} |
| 691 |
} |
| 692 |
} |
| 693 |
print "\n"; |
| 694 |
|
| 695 |
} elsif($type eq "fetch"){
|
| 696 |
print "multigraph libvirt_disk_errs\n"; |
| 697 |
for my $vm (sort keys %hash) {
|
| 698 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 699 |
my $errs=0; |
| 700 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 701 |
$errs+=$hash{$vm}{'devices'}{'block'}{$device}{'errs'};
|
| 702 |
} |
| 703 |
print $hash{$vm}{'label'} . "_errs.value " . $errs . "\n";
|
| 704 |
} |
| 705 |
} |
| 706 |
print "\n"; |
| 707 |
} |
| 708 |
|
| 709 |
# |
| 710 |
# Disk errors, second level |
| 711 |
# |
| 712 |
|
| 713 |
for my $vm (sort keys %hash) {
|
| 714 |
my $devices=0; |
| 715 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 716 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 717 |
$devices++; |
| 718 |
} |
| 719 |
} |
| 720 |
if($devices > 0){
|
| 721 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 722 |
if($type eq "config"){
|
| 723 |
print "multigraph libvirt_disk_errs." . $hash{$vm}{'label'} . "\n";
|
| 724 |
print "graph_title Disk errors for " . $hash{$vm}{'name'} . "\n";
|
| 725 |
print "graph_args --base 1000\n"; |
| 726 |
print "graph_category virtualization\n"; |
| 727 |
|
| 728 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 729 |
|
| 730 |
print $device . "_errs.label " . $device . "\n"; |
| 731 |
print $device . "_errs.type COUNTER\n"; |
| 732 |
print $device . "_errs.info The number of errors by " . $hash{$vm}{'name'} . " on defice " . $device . "\n";
|
| 733 |
print $device . "_errs.min 0\n"; |
| 734 |
print $device . "_errs.draw LINE2\n"; |
| 735 |
} |
| 736 |
print "\n"; |
| 737 |
|
| 738 |
} elsif($type eq "fetch"){
|
| 739 |
print "multigraph libvirt_disk_errs." . $hash{$vm}{'label'} . "\n";
|
| 740 |
if(defined($hash{$vm}{'devices'}{'block'})){
|
| 741 |
for my $device (keys %{$hash{$vm}{'devices'}{'block'}}){
|
| 742 |
print $device . "_errs.value " . $hash{$vm}{'devices'}{'block'}{$device}{'errs'} . "\n";
|
| 743 |
} |
| 744 |
} |
| 745 |
print "\n"; |
| 746 |
} |
| 747 |
} |
| 748 |
} |
| 749 |
} |
| 750 |
} |
| 751 |
|
| 752 |
# |
| 753 |
# Network used |
| 754 |
# |
| 755 |
|
| 756 |
if($show{'network_traffic'} == 1){
|
| 757 |
|
| 758 |
# |
| 759 |
# Network used, top level |
| 760 |
# |
| 761 |
|
| 762 |
if($type eq "config"){
|
| 763 |
print "multigraph libvirt_network\n"; |
| 764 |
print "graph_title Network traffic per domain in bytes\n"; |
| 765 |
print "graph_args --base 1000\n"; |
| 766 |
print "graph_vlabel Bytes in (-) / out (+) per \${graph_period}\n";
|
| 767 |
print "graph_category virtualization\n"; |
| 768 |
#print "graph_width 550\n"; |
| 769 |
|
| 770 |
for my $vm (sort keys %hash) {
|
| 771 |
if(defined($hash{$vm}{'devices'}{'network'})){
|
| 772 |
|
| 773 |
print $hash{$vm}{'label'} . "_rx_bytes.label " . $hash{$vm}{'name'} . "_rx\n";
|
| 774 |
print $hash{$vm}{'label'} . "_rx_bytes.type DERIVE\n";
|
| 775 |
print $hash{$vm}{'label'} . "_rx_bytes.info The number of bytes read by " . $hash{$vm}{'name'} . " in total.\n";
|
| 776 |
print $hash{$vm}{'label'} . "_rx_bytes.min 0\n";
|
| 777 |
print $hash{$vm}{'label'} . "_rx_bytes.draw LINE2\n";
|
| 778 |
print $hash{$vm}{'label'} . "_rx_bytes.graph no\n";
|
| 779 |
#print $hash{$vm}{'label'} . "_rx_bytes.cdef " . $hash{$vm}{'label'} . "_rx_bytes,8,*\n";
|
| 780 |
|
| 781 |
print $hash{$vm}{'label'} . "_tx_bytes.label " . $hash{$vm}{'name'} . "\n";
|
| 782 |
print $hash{$vm}{'label'} . "_tx_bytes.type DERIVE\n";
|
| 783 |
print $hash{$vm}{'label'} . "_tx_bytes.info The number of bytes written by " . $hash{$vm}{'name'} . " in total.\n";
|
| 784 |
print $hash{$vm}{'label'} . "_tx_bytes.min 0\n";
|
| 785 |
print $hash{$vm}{'label'} . "_tx_bytes.draw LINE2\n";
|
| 786 |
print $hash{$vm}{'label'} . "_tx_bytes.negative " . $hash{$vm}{'label'} . "_rx_bytes\n";
|
| 787 |
#print $hash{$vm}{'label'} . "_tx_bytes.cdef " . $hash{$vm}{'label'} . "_tx_bytes,8,*\n";
|
| 788 |
} |
| 789 |
} |
| 790 |
print "\n"; |
| 791 |
|
| 792 |
} elsif($type eq "fetch"){
|
| 793 |
print "multigraph libvirt_network\n"; |
| 794 |
for my $vm (sort keys %hash) {
|
| 795 |
if(defined($hash{$vm}{'devices'}{'network'})){
|
| 796 |
my $read=0; |
| 797 |
my $write=0; |
| 798 |
for my $vif (keys %{$hash{$vm}{'devices'}{'network'}}){
|
| 799 |
$read+=$hash{$vm}{'devices'}{'network'}{$vif}{'rx_bytes'};
|
| 800 |
$write+=$hash{$vm}{'devices'}{'network'}{$vif}{'tx_bytes'};
|
| 801 |
} |
| 802 |
print $hash{$vm}{'label'} . "_rx_bytes.value " . $read . "\n";
|
| 803 |
print $hash{$vm}{'label'} . "_tx_bytes.value " . $write . "\n";
|
| 804 |
} |
| 805 |
} |
| 806 |
print "\n"; |
| 807 |
} |
| 808 |
|
| 809 |
# |
| 810 |
# Network used, second level |
| 811 |
# |
| 812 |
|
| 813 |
for my $vm (sort keys %hash) {
|
| 814 |
if(defined($hash{$vm}{'devices'}{'network'})){
|
| 815 |
if($type eq "config"){
|
| 816 |
print "multigraph libvirt_network.bytes_" . $hash{$vm}{'label'} . "\n";
|
| 817 |
print "graph_title Network traffic for " . $vm . "\n"; |
| 818 |
print "graph_args --base 1000\n"; |
| 819 |
print "graph_vlabel Bits in (-) / out (+) per \${graph_period}\n";
|
| 820 |
print "graph_category virtualization\n"; |
| 821 |
#print "graph_width 550\n"; |
| 822 |
|
| 823 |
for my $vif (keys %{$hash{$vm}{'devices'}{'network'}}){
|
| 824 |
my $vif_id=$hash{$vm}{'devices'}{'network'}{$vif}{'vif_id'};
|
| 825 |
|
| 826 |
print "rx_bytes_" . $vif_id . ".label " . $vif . "_rx\n"; |
| 827 |
print "rx_bytes_" . $vif_id . ".type DERIVE\n"; |
| 828 |
print "rx_bytes_" . $vif_id . ".info The number of bytes read by " . $hash{$vm}{'name'} . "\n";
|
| 829 |
print "rx_bytes_" . $vif_id . ".min 0\n"; |
| 830 |
print "rx_bytes_" . $vif_id . ".graph no\n"; |
| 831 |
print "rx_bytes_" . $vif_id . ".cdef rx_bytes_" . $vif_id . ",8,*\n"; |
| 832 |
|
| 833 |
print "tx_bytes_" . $vif_id . ".label " . $vif . "\n"; |
| 834 |
print "tx_bytes_" . $vif_id . ".type DERIVE\n"; |
| 835 |
print "tx_bytes_" . $vif_id . ".info The number of bits written by " . $hash{$vm}{'name'} . "\n";
|
| 836 |
print "tx_bytes_" . $vif_id . ".min 0\n"; |
| 837 |
print "tx_bytes_" . $vif_id . ".draw LINE2\n"; |
| 838 |
print "tx_bytes_" . $vif_id . ".negative rx_bytes_" . $vif_id . "\n"; |
| 839 |
print "tx_bytes_" . $vif_id . ".cdef tx_bytes_" . $vif_id . ",8,*\n"; |
| 840 |
} |
| 841 |
print "\n"; |
| 842 |
|
| 843 |
} elsif($type eq "fetch"){
|
| 844 |
print "multigraph libvirt_network.bytes_" . $hash{$vm}{'label'} . "\n";
|
| 845 |
for my $vif (keys %{$hash{$vm}{'devices'}{'network'}}){
|
| 846 |
my $vif_id=$hash{$vm}{'devices'}{'network'}{$vif}{'vif_id'};
|
| 847 |
print "rx_bytes_" . $vif_id . ".value " . $hash{$vm}{'devices'}{'network'}{$vif}{'rx_bytes'} . "\n";
|
| 848 |
print "tx_bytes_" . $vif_id . ".value " . $hash{$vm}{'devices'}{'network'}{$vif}{'tx_bytes'} . "\n";
|
| 849 |
} |
| 850 |
print "\n"; |
| 851 |
} |
| 852 |
} |
| 853 |
} |
| 854 |
} |
| 855 |
|
| 856 |
# |
| 857 |
# Network drops and errors |
| 858 |
# |
| 859 |
# rx_drop -> Total packets drop at reception |
| 860 |
# tx_drop -> Total packets dropped at transmission. |
| 861 |
|
| 862 |
if($show{'network_drops'} == 1){
|
| 863 |
|
| 864 |
# |
| 865 |
# Network drops, top level |
| 866 |
# |
| 867 |
|
| 868 |
if($type eq "config"){
|
| 869 |
print "multigraph libvirt_network_drop\n"; |
| 870 |
print "graph_title Network packets dropped per domain\n"; |
| 871 |
print "graph_args --base 1000\n"; |
| 872 |
print "graph_vlabel Count in (-) / out (+) per \${graph_period}\n";
|
| 873 |
print "graph_category virtualization\n"; |
| 874 |
#print "graph_width 550\n"; |
| 875 |
|
| 876 |
for my $vm (sort keys %hash) {
|
| 877 |
if(defined($hash{$vm}{'devices'}{'network'})){
|
| 878 |
|
| 879 |
print $hash{$vm}{'label'} . "_rx_drop.label " . $hash{$vm}{'name'} . "_rx\n";
|
| 880 |
print $hash{$vm}{'label'} . "_rx_drop.type DERIVE\n";
|
| 881 |
print $hash{$vm}{'label'} . "_rx_drop.info The number of packets dropped at reception by " . $hash{$vm}{'name'} . "\n";
|
| 882 |
print $hash{$vm}{'label'} . "_rx_drop.min 0\n";
|
| 883 |
print $hash{$vm}{'label'} . "_rx_drop.draw LINE2\n";
|
| 884 |
print $hash{$vm}{'label'} . "_rx_drop.graph no\n";
|
| 885 |
|
| 886 |
print $hash{$vm}{'label'} . "_tx_drop.label " . $hash{$vm}{'name'} . "\n";
|
| 887 |
print $hash{$vm}{'label'} . "_tx_drop.type DERIVE\n";
|
| 888 |
print $hash{$vm}{'label'} . "_tx_drop.info The number of packets dropped at transmission by " . $hash{$vm}{'name'} . "\n";
|
| 889 |
print $hash{$vm}{'label'} . "_tx_drop.min 0\n";
|
| 890 |
print $hash{$vm}{'label'} . "_tx_drop.draw LINE2\n";
|
| 891 |
print $hash{$vm}{'label'} . "_tx_drop.negative " . $hash{$vm}{'label'} . "_rx_drop\n";
|
| 892 |
} |
| 893 |
} |
| 894 |
print "\n"; |
| 895 |
|
| 896 |
} elsif($type eq "fetch"){
|
| 897 |
print "multigraph libvirt_network_drop\n"; |
| 898 |
for my $vm (sort keys %hash) {
|
| 899 |
if(defined($hash{$vm}{'devices'}{'network'})){
|
| 900 |
my $rx_drop=0; |
| 901 |
my $tx_drop=0; |
| 902 |
for my $vif (keys %{$hash{$vm}{'devices'}{'network'}}){
|
| 903 |
$rx_drop+=$hash{$vm}{'devices'}{'network'}{$vif}{'rx_drop'};
|
| 904 |
$tx_drop+=$hash{$vm}{'devices'}{'network'}{$vif}{'tx_drop'};
|
| 905 |
} |
| 906 |
|
| 907 |
print $hash{$vm}{'label'} . "_rx_drop.value " . $rx_drop . "\n";
|
| 908 |
print $hash{$vm}{'label'} . "_tx_drop.value " . $tx_drop . "\n";
|
| 909 |
|
| 910 |
} |
| 911 |
} |
| 912 |
print "\n"; |
| 913 |
} |
| 914 |
|
| 915 |
# |
| 916 |
# Network drops, second level |
| 917 |
# |
| 918 |
|
| 919 |
for my $vm (sort keys %hash) {
|
| 920 |
if(defined($hash{$vm}{'devices'}{'network'})){
|
| 921 |
if($type eq "config"){
|
| 922 |
print "multigraph libvirt_network_drop." . $hash{$vm}{'label'} . "\n";
|
| 923 |
print "graph_title Network packeds dropped by " . $vm . "\n"; |
| 924 |
print "graph_args --base 1000\n"; |
| 925 |
print "graph_vlabel Count in (-) / out (+) per \${graph_period}\n";
|
| 926 |
print "graph_category virtualization\n"; |
| 927 |
#print "graph_width 550\n"; |
| 928 |
|
| 929 |
for my $vif (keys %{$hash{$vm}{'devices'}{'network'}}){
|
| 930 |
my $vif_id=$hash{$vm}{'devices'}{'network'}{$vif}{'vif_id'};
|
| 931 |
|
| 932 |
print "rx_drop_" . $vif_id . ".label " . $vif . "_rx\n"; |
| 933 |
print "rx_drop_" . $vif_id . ".type DERIVE\n"; |
| 934 |
print "rx_drop_" . $vif_id . ".info The number of packets dropped by " . $hash{$vm}{'name'} . ", nic " . $vif_id . "\n";
|
| 935 |
print "rx_drop_" . $vif_id . ".min 0\n"; |
| 936 |
print "rx_drop_" . $vif_id . ".graph no\n"; |
| 937 |
|
| 938 |
print "tx_drop_" . $vif_id . ".label " . $vif . "\n"; |
| 939 |
print "tx_drop_" . $vif_id . ".type DERIVE\n"; |
| 940 |
print "tx_drop_" . $vif_id . ".info The number of packets dropped by " . $hash{$vm}{'name'} . ", nic " . $vif_id . "\n";
|
| 941 |
print "tx_drop_" . $vif_id . ".min 0\n"; |
| 942 |
print "tx_drop_" . $vif_id . ".draw LINE2\n"; |
| 943 |
print "tx_drop_" . $vif_id . ".negative rx_drop_" . $vif_id . "\n"; |
| 944 |
} |
| 945 |
print "\n"; |
| 946 |
|
| 947 |
} elsif($type eq "fetch"){
|
| 948 |
print "multigraph libvirt_network_drop." . $hash{$vm}{'label'} . "\n";
|
| 949 |
for my $vif (keys %{$hash{$vm}{'devices'}{'network'}}){
|
| 950 |
my $vif_id=$hash{$vm}{'devices'}{'network'}{$vif}{'vif_id'};
|
| 951 |
print "rx_drop_" . $vif_id . ".value " . $hash{$vm}{'devices'}{'network'}{$vif}{'rx_drop'} . "\n";
|
| 952 |
print "tx_drop_" . $vif_id . ".value " . $hash{$vm}{'devices'}{'network'}{$vif}{'tx_drop'} . "\n";
|
| 953 |
} |
| 954 |
print "\n"; |
| 955 |
} |
| 956 |
} |
| 957 |
} |
| 958 |
} |
| 959 |
|
| 960 |
# |
| 961 |
# CPU used |
| 962 |
# |
| 963 |
|
| 964 |
if($show{'cpu_used'} == 1){
|
| 965 |
|
| 966 |
# |
| 967 |
# CPU used, top level |
| 968 |
# |
| 969 |
|
| 970 |
if($type eq "config"){
|
| 971 |
print "multigraph libvirt_cpu\n"; |
| 972 |
print "graph_title Cpu time used per domain in percent\n"; |
| 973 |
print "graph_args --base 1000 -r --lower-limit 0 --upper-limit 100\n"; |
| 974 |
print "graph_category virtualization\n"; |
| 975 |
#print "graph_width 550\n"; |
| 976 |
|
| 977 |
my $draw="AREA"; |
| 978 |
for my $vm (sort keys %hash) {
|
| 979 |
print $hash{$vm}{'label'} . "_time.label " . $hash{$vm}{'name'} . "\n";
|
| 980 |
print $hash{$vm}{'label'} . "_time.type DERIVE\n";
|
| 981 |
print $hash{$vm}{'label'} . "_time.info The cpu time used by " . $hash{$vm}{'name'} . " in percent of the total available cpu time on the physical node.\n";
|
| 982 |
print $hash{$vm}{'label'} . "_time.min 0\n";
|
| 983 |
print $hash{$vm}{'label'} . "_time.draw $draw\n";
|
| 984 |
$draw="STACK" if $draw eq "AREA"; |
| 985 |
} |
| 986 |
print "\n"; |
| 987 |
|
| 988 |
} elsif($type eq "fetch"){
|
| 989 |
print "multigraph libvirt_cpu\n"; |
| 990 |
for my $vm (sort keys %hash) {
|
| 991 |
print $hash{$vm}{'label'} . "_time.value " . $hash{$vm}{'info'}{'cpuPercentage'} . "\n";
|
| 992 |
} |
| 993 |
print "\n"; |
| 994 |
} |
| 995 |
|
| 996 |
# |
| 997 |
# CPU used, second level (pr virtual machine) |
| 998 |
# |
| 999 |
|
| 1000 |
if($type eq "config"){
|
| 1001 |
for my $vm (sort keys %hash) {
|
| 1002 |
print "multigraph libvirt_cpu.vm_" . $hash{$vm}{'label'} . "\n";
|
| 1003 |
print "graph_title Cpu time used by " . $hash{$vm}{'name'} . " in percent\n";
|
| 1004 |
print "graph_args --base 1000\n"; |
| 1005 |
print "graph_category virtualization\n"; |
| 1006 |
#print "graph_width 550\n"; |
| 1007 |
|
| 1008 |
print "time.label " . $hash{$vm}{'name'} . " (" . $hash{$vm}{'type'} . ")\n";
|
| 1009 |
print "time.type DERIVE\n"; |
| 1010 |
print "time.info The cpu time used by " . $hash{$vm}{'name'} . " in percent of the total available cpu time on the physical node. This domain has access to " . $hash{$vm}{'info'}{'nrVirtCpu'} . " VCPU(s) now, and $hash{$vm}{'maxvcpus'} at maximum. The scheduler for this domain is " . $hash{$vm}{'scheduler'} . ".\n";
|
| 1011 |
print "time.min 0\n"; |
| 1012 |
print "time.draw AREA\n"; |
| 1013 |
print "\n"; |
| 1014 |
} |
| 1015 |
|
| 1016 |
} elsif($type eq "fetch"){
|
| 1017 |
for my $vm (sort keys %hash) {
|
| 1018 |
print "multigraph libvirt_cpu.vm_" . $hash{$vm}{'label'} . "\n";
|
| 1019 |
print "time.value " . $hash{$vm}{'info'}{'cpuPercentage'} . "\n";
|
| 1020 |
print "\n"; |
| 1021 |
} |
| 1022 |
} |
| 1023 |
} |
| 1024 |
|
| 1025 |
# |
| 1026 |
# Memory allocation |
| 1027 |
# |
| 1028 |
|
| 1029 |
if($show{'memory_allocated'} == 1){
|
| 1030 |
|
| 1031 |
# |
| 1032 |
# Memory allocation, top level |
| 1033 |
# |
| 1034 |
|
| 1035 |
if($type eq "config"){
|
| 1036 |
print "multigraph libvirt_mem\n"; |
| 1037 |
print "graph_title Memory allocated per domain\n"; |
| 1038 |
print "graph_args --base 1000\n"; |
| 1039 |
print "graph_category virtualization\n"; |
| 1040 |
#print "graph_width 550\n"; |
| 1041 |
|
| 1042 |
my $draw="AREA"; |
| 1043 |
for my $vm (sort keys %hash) {
|
| 1044 |
print $hash{$vm}{'label'} . "_alloc.label " . $hash{$vm}{'name'} . "\n";
|
| 1045 |
print $hash{$vm}{'label'} . "_alloc.type GAUGE\n";
|
| 1046 |
print $hash{$vm}{'label'} . "_alloc.info Memory allocation per domain.\n";
|
| 1047 |
print $hash{$vm}{'label'} . "_alloc.min 0\n";
|
| 1048 |
print $hash{$vm}{'label'} . "_alloc.draw $draw\n";
|
| 1049 |
$draw="STACK" if $draw eq "AREA"; |
| 1050 |
} |
| 1051 |
print "\n"; |
| 1052 |
|
| 1053 |
} elsif($type eq "fetch"){
|
| 1054 |
print "multigraph libvirt_mem\n"; |
| 1055 |
for my $vm (sort keys %hash) {
|
| 1056 |
print $hash{$vm}{'label'} . "_alloc.value " . $hash{$vm}{'info'}{'memory_bytes'} . "\n";
|
| 1057 |
} |
| 1058 |
print "\n"; |
| 1059 |
} |
| 1060 |
|
| 1061 |
# |
| 1062 |
# Memory allocated, second level (pr virtual machine) |
| 1063 |
# |
| 1064 |
|
| 1065 |
if($type eq "config"){
|
| 1066 |
for my $vm (sort keys %hash) {
|
| 1067 |
print "multigraph libvirt_mem.vm_" . $hash{$vm}{'label'} . "\n";
|
| 1068 |
print "graph_title Memory allocated to " . $hash{$vm}{'name'} . "\n";
|
| 1069 |
print "graph_args --base 1000\n"; |
| 1070 |
print "graph_category virtualization\n"; |
| 1071 |
#print "graph_width 550\n"; |
| 1072 |
|
| 1073 |
print "mem.label " . $hash{$vm}{'name'} . " (" . $hash{$vm}{'type'} . ")\n";
|
| 1074 |
print "mem.type GAUGE\n"; |
| 1075 |
print "mem.info Amount of memory allocated to " . $hash{$vm}{'name'} . ". The maximum amount of memory for this domain is " . $hash{$vm}{'maxmem'}/1024 . " MB.\n";
|
| 1076 |
print "mem.min 0\n"; |
| 1077 |
print "mem.draw AREA\n"; |
| 1078 |
print "\n"; |
| 1079 |
} |
| 1080 |
|
| 1081 |
} elsif($type eq "fetch"){
|
| 1082 |
for my $vm (sort keys %hash) {
|
| 1083 |
print "multigraph libvirt_mem.vm_" . $hash{$vm}{'label'} . "\n";
|
| 1084 |
print "mem.value " . $hash{$vm}{'info'}{'memory_bytes'} . "\n";
|
| 1085 |
print "\n"; |
| 1086 |
} |
| 1087 |
} |
| 1088 |
} |
| 1089 |
} |
| 1090 |
|
| 1091 |
sub clean_label() {
|
| 1092 |
my $label=shift; |
| 1093 |
$label =~ s/^[^A-Za-z_]/_/; |
| 1094 |
$label =~ s/[^A-Za-z0-9_]/_/g; |
| 1095 |
return $label; |
| 1096 |
} |
| 1097 |
|
| 1098 |
sub connect {
|
| 1099 |
my $vmm = Sys::Virt->new(address => $address, |
| 1100 |
auth => 1, |
| 1101 |
credlist => [ |
| 1102 |
Sys::Virt::CRED_AUTHNAME, |
| 1103 |
Sys::Virt::CRED_PASSPHRASE, |
| 1104 |
], |
| 1105 |
callback => |
| 1106 |
sub {
|
| 1107 |
my $creds = shift; |
| 1108 |
|
| 1109 |
foreach my $cred (@{$creds}) {
|
| 1110 |
if ($cred->{type} == Sys::Virt::CRED_AUTHNAME) {
|
| 1111 |
$cred->{result} = $username;
|
| 1112 |
} |
| 1113 |
if ($cred->{type} == Sys::Virt::CRED_PASSPHRASE) {
|
| 1114 |
$cred->{result} = $password;
|
| 1115 |
} |
| 1116 |
} |
| 1117 |
return 0; |
| 1118 |
}); |
| 1119 |
return $vmm; |
| 1120 |
} |
| 1121 |
|
| 1122 |
sub autoconf {
|
| 1123 |
my $vmm=&connect(); |
| 1124 |
if($vmm){
|
| 1125 |
my $node = $vmm->get_node_info(); |
| 1126 |
if($node){
|
| 1127 |
print "yes\n"; |
| 1128 |
exit(0); |
| 1129 |
} else {
|
| 1130 |
print "no (Unable to fetch node info)\n"; |
| 1131 |
exit(1); |
| 1132 |
} |
| 1133 |
} else {
|
| 1134 |
print "no (Unable to connect to libvirt)\n"; |
| 1135 |
exit(1); |
| 1136 |
} |
| 1137 |
|
| 1138 |
} |
| 1139 |
|
| 1140 |
# |
| 1141 |
# Function to extract information from xml and return a hash with the necessary information. |
| 1142 |
# The logic is really ugly and should be improved. |
| 1143 |
# |
| 1144 |
sub parse_xml {
|
| 1145 |
my $raw_xml=shift; |
| 1146 |
my %res=(); |
| 1147 |
|
| 1148 |
use XML::Simple qw(:strict); |
| 1149 |
my $xs=XML::Simple->new; |
| 1150 |
my @a=$xs->XMLin($raw_xml,ForceArray => 1, KeyAttr => 'target'); |
| 1151 |
|
| 1152 |
for (my $i=0 ; $i < scalar(@a) ; $i++){
|
| 1153 |
# Hack to extract disk information and put it into the hash |
| 1154 |
# TODO: Improve |
| 1155 |
if(defined($a[$i]{'devices'}[0]{'disk'})){
|
| 1156 |
|
| 1157 |
my $teller = 0; |
| 1158 |
my $fortsette = 1; |
| 1159 |
|
| 1160 |
while($fortsette){
|
| 1161 |
if( $a[$i]{'devices'}[0]{'disk'}[$teller] ){
|
| 1162 |
my $type=$a[$i]{'devices'}[0]{'disk'}[$teller]{'type'};
|
| 1163 |
my $source_dev=$a[$i]{'devices'}[0]{'disk'}[$teller]{'source'}[0]{'dev'};
|
| 1164 |
my $target_bus=$a[$i]{'devices'}[0]{'disk'}[$teller]{'target'}[0]{'bus'};
|
| 1165 |
my $target_dev=$a[$i]{'devices'}[0]{'disk'}[$teller]{'target'}[0]{'dev'};
|
| 1166 |
|
| 1167 |
$res{'devices'}{'disk'}{$type}{$target_dev}{'source'}=$source_dev;
|
| 1168 |
$res{'devices'}{'disk'}{$type}{$target_dev}{'bus'}=$target_bus;
|
| 1169 |
$res{'devices'}{'disk'}{$type}{$target_dev}{'type'}=$type;
|
| 1170 |
|
| 1171 |
$teller++; |
| 1172 |
} |
| 1173 |
else{
|
| 1174 |
$fortsette = 0; |
| 1175 |
} |
| 1176 |
} |
| 1177 |
} |
| 1178 |
|
| 1179 |
# Hack to extract network information and put it into the hash |
| 1180 |
# TODO: Improve |
| 1181 |
if(defined($a[$i]{'devices'}[0]{'interface'})){
|
| 1182 |
|
| 1183 |
my $teller = 0; |
| 1184 |
my $fortsette = 1; |
| 1185 |
|
| 1186 |
while($fortsette){
|
| 1187 |
if( $a[$i]{'devices'}[0]{'interface'}[$teller] ){
|
| 1188 |
my $type=$a[$i]{'devices'}[0]{'interface'}[$teller]{'type'};
|
| 1189 |
my $target=$a[$i]{'devices'}[0]{'interface'}[$teller]{'target'}[0]{'dev'};
|
| 1190 |
my $bridge=$a[$i]{'devices'}[0]{'interface'}[$teller]{'source'}[0]{'bridge'};;
|
| 1191 |
my $mac=$a[$i]{'devices'}[0]{'interface'}[$teller]{'mac'}[0]{'address'};;
|
| 1192 |
|
| 1193 |
$res{'devices'}{'interface'}{$type}{$target}{'target'}=$target;
|
| 1194 |
$res{'devices'}{'interface'}{$type}{$target}{'mac'}=$mac;
|
| 1195 |
$res{'devices'}{'interface'}{$type}{$target}{'bridge'}=$bridge;
|
| 1196 |
$teller++; |
| 1197 |
} |
| 1198 |
else{
|
| 1199 |
$fortsette = 0; |
| 1200 |
} |
| 1201 |
} |
| 1202 |
} |
| 1203 |
} |
| 1204 |
|
| 1205 |
return \%res; |
| 1206 |
} |
| 1207 |
|
| 1208 |
sub read_diskstats{
|
| 1209 |
my $dev=shift; |
| 1210 |
|
| 1211 |
my %res=(); |
| 1212 |
|
| 1213 |
# Verify that $dev is a block device. |
| 1214 |
if(-b $dev){
|
| 1215 |
# Read minor and major number |
| 1216 |
my $rdev = stat($dev)->rdev; |
| 1217 |
$res{'major'} = $rdev >> 8;
|
| 1218 |
$res{'minor'} = $rdev & 0xff;
|
| 1219 |
|
| 1220 |
# If major numer is 253, then proceed as dm-device |
| 1221 |
if($res{'major'} == 253){
|
| 1222 |
|
| 1223 |
# check that the directory /sys/block/dm-$minor/ exists with a /slaves/ sub directory |
| 1224 |
if(-d "/sys/block/dm-" . $res{'minor'} . "/"){
|
| 1225 |
if(-d "/sys/block/dm-" . $res{'minor'} . "/slaves/"){
|
| 1226 |
|
| 1227 |
# see if /sys/block/dm-$minor/slaves/ has any slaves |
| 1228 |
opendir(DIR, "/sys/block/dm-" . $res{'minor'} . "/slaves/");
|
| 1229 |
while(my $slave = readdir(DIR)){
|
| 1230 |
|
| 1231 |
# Exclude directories (. and ..) |
| 1232 |
if($slave !~ m/^\.+$/){
|
| 1233 |
|
| 1234 |
# Check if we have /sys/block/dm-$minor/slaves/$slave/stat |
| 1235 |
if(-f "/sys/block/dm-" . $res{'minor'} . "/slaves/" . $slave . "/stat"){
|
| 1236 |
# Read the stat-file |
| 1237 |
open(FILE, "</sys/block/dm-" . $res{'minor'} . "/slaves/" . $slave . "/stat");
|
| 1238 |
while (my $line = <FILE>) {
|
| 1239 |
# 1 2 3 4 5 6 7 8 9 10 11 |
| 1240 |
if($line =~ m/(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/){
|
| 1241 |
|
| 1242 |
# Name units description |
| 1243 |
# ---- ----- ----------- |
| 1244 |
# read I/Os requests number of read I/Os processed |
| 1245 |
# read merges requests number of read I/Os merged with in-queue I/O |
| 1246 |
# read sectors sectors number of sectors read |
| 1247 |
# read ticks milliseconds total wait time for read requests |
| 1248 |
# write I/Os requests number of write I/Os processed |
| 1249 |
# write merges requests number of write I/Os merged with in-queue I/O |
| 1250 |
# write sectors sectors number of sectors written |
| 1251 |
# write ticks milliseconds total wait time for write requests |
| 1252 |
# in_flight requests number of I/Os currently in flight |
| 1253 |
# io_ticks milliseconds total time this block device has been active |
| 1254 |
# time_in_queue milliseconds total wait time for all requests |
| 1255 |
# |
| 1256 |
# Documentation fetched from http://www.mjmwired.net/kernel/Documentation/block/stat.txt |
| 1257 |
|
| 1258 |
# store the output in the hash |
| 1259 |
$res{'slaves'}{$slave}{'read_ios'}=$1;
|
| 1260 |
$res{'slaves'}{$slave}{'read_merges'}=$2;
|
| 1261 |
$res{'slaves'}{$slave}{'read_sectors'}=$3;
|
| 1262 |
$res{'slaves'}{$slave}{'read_ticks'}=$4;
|
| 1263 |
$res{'slaves'}{$slave}{'write_ios'}=$5;
|
| 1264 |
$res{'slaves'}{$slave}{'write_merges'}=$6;
|
| 1265 |
$res{'slaves'}{$slave}{'write_sectors'}=$7;
|
| 1266 |
$res{'slaves'}{$slave}{'write_ticks'}=$8;
|
| 1267 |
$res{'slaves'}{$slave}{'in_flight'}=$9;
|
| 1268 |
$res{'slaves'}{$slave}{'io_ticks'}=$10;
|
| 1269 |
$res{'slaves'}{$slave}{'time_in_queue'}=$11;
|
| 1270 |
} |
| 1271 |
} |
| 1272 |
close(FILE); |
| 1273 |
} |
| 1274 |
} |
| 1275 |
} |
| 1276 |
close(DIR); |
| 1277 |
} |
| 1278 |
} |
| 1279 |
} |
| 1280 |
} |
| 1281 |
|
| 1282 |
return \%res; |
| 1283 |
} |
| 1284 |
|
| 1285 |
# Return the timestamp of a file |
| 1286 |
sub get_prev_time(){
|
| 1287 |
my $tmpfile=shift; |
| 1288 |
|
| 1289 |
my $time=-1; |
| 1290 |
|
| 1291 |
if(-r $tmpfile){
|
| 1292 |
$time = stat($tmpfile)->mtime; |
| 1293 |
} |
| 1294 |
|
| 1295 |
return $time; |
| 1296 |
} |
| 1297 |
|
| 1298 |
init(); |
| 1299 |
|
| 1300 |
# vim:syntax=perl |