From 8f5fc234d4e8cff4a381b3d5b3fabdb14d70fda1 Mon Sep 17 00:00:00 2001 From: Sims24 Date: Tue, 30 Jun 2015 08:39:38 +0200 Subject: [PATCH] Create memorydetailed.pm Detailed check of your JVM memory usage --- .../common/jvm/mode/memorydetailed.pm | 210 ++++++++++++++++++ 1 file changed, 210 insertions(+) create mode 100644 centreon-plugins/centreon/common/jvm/mode/memorydetailed.pm diff --git a/centreon-plugins/centreon/common/jvm/mode/memorydetailed.pm b/centreon-plugins/centreon/common/jvm/mode/memorydetailed.pm new file mode 100644 index 000000000..fa1647578 --- /dev/null +++ b/centreon-plugins/centreon/common/jvm/mode/memorydetailed.pm @@ -0,0 +1,210 @@ +################################################################################ +# Copyright 2005-2013 MERETHIS +# Centreon is developped by : Julien Mathis and Romain Le Merlus under +# GPL Licence 2.0. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation ; either version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT ANY +# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, see . +# +# Linking this program statically or dynamically with other modules is making a +# combined work based on this program. Thus, the terms and conditions of the GNU +# General Public License cover the whole combination. +# +# As a special exception, the copyright holders of this program give MERETHIS +# permission to link this program with independent modules to produce an executable, +# regardless of the license terms of these independent modules, and to copy and +# distribute the resulting executable under terms of MERETHIS choice, provided that +# MERETHIS also meet, for each linked independent module, the terms and conditions +# of the license of that module. An independent module is a module which is not +# derived from this program. If you modify this program, you may extend this +# exception to your version of the program, but you are not obliged to do so. If you +# do not wish to do so, delete this exception statement from your version. +# +# For more information : contact@centreon.com +# Authors : Simon Bomm +# +#################################################################################### + +package centreon::common::jvm::mode::memorydetailed; + +use base qw(centreon::plugins::mode); + +use strict; +use warnings; + +my %mapping_memory = ( + 'Eden Space' => 'eden', + 'Par Eden Space' => 'eden', + 'PS Eden Space' => 'eden', + 'Survivor Space' => 'survivor', + 'Par Survivor Space' => 'survivor', + 'PS Survivor Space' => 'survivor', + 'CMS Perm Gen' => 'permanent', + 'PS Perm Gen' => 'permanent', + 'Code Cache' => 'code', + 'CMS Old Gen' => 'tenured', + 'PS Old Gen' => 'tenured', +); + + +sub new { + my ($class, %options) = @_; + my $self = $class->SUPER::new(package => __PACKAGE__, %options); + bless $self, $class; + + $self->{version} = '1.0'; + $options{options}->add_options(arguments => + { + "warning-eden:s" => { name => 'warning_eden', default => '80' }, + "critical-eden:s" => { name => 'critical_eden', default => '90' }, + "warning-survivor:s" => { name => 'warning_survivor', default => '80' }, + "critical-survivor:s" => { name => 'critical_survivor', default => '90' }, + "warning-tenured:s" => { name => 'warning_tenured', default => '80' }, + "critical-tenured:s" => { name => 'critical_tenured', default => '90' }, + "warning-permanent:s" => { name => 'warning_permanent', default => '80' }, + "critical-permanent:s" => { name => 'critical_permanent', default => '90' }, + "warning-code:s" => { name => 'warning_code', default => '80' }, + "critical-code:s" => { name => 'critical_code', default => '90' } + }); + return $self; +} + +sub check_options { + my ($self, %options) = @_; + $self->SUPER::init(%options); + + foreach my $label ('warning_eden', 'critical_eden', 'warning_survivor', 'critical_survivor', 'warning_tenured', 'critical_tenured', 'warning_permanent', 'critical_permanent', 'warning_code', 'critical_code') { + if (($self->{perfdata}->threshold_validate(label => $label, value => $self->{option_results}->{$label})) == 0) { + my ($label_opt) = $label; + $label_opt =~ tr/_/-/; + $self->{output}->add_option_msg(short_msg => "Wrong " . $label_opt . " threshold '" . $self->{option_results}->{$label} . "'."); + $self->{output}->option_exit(); + } + } + +} + +sub run { + my ($self, %options) = @_; + $self->{connector} = $options{custom}; + + my %prct; + my $exit; + my @exits; + + $self->{request} = [ + { mbean => "java.lang:type=MemoryPool,name=*", attributes => [ { name => 'Usage' } ] } + ]; + + + my $result = $self->{connector}->get_attributes(request => $self->{request}, nothing_quit => 1); + + $self->{output}->output_add(severity => 'OK', + short_msg => 'All memories within bounds'); + + + foreach my $key (keys %$result) { + + $key =~ /name=(.*?),type/; + my $memtype = $1; + + $prct{$memtype} = $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{used} / $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{max} * 100; + + $self->{output}->perfdata_add(label => $mapping_memory{$memtype}, + value => $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{used}, + warning => $self->{option_results}->{'warning_'.$mapping_memory{$memtype}} / 100 * $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{used}, + critical => $self->{option_results}->{'critical_'.$mapping_memory{$memtype}} / 100 * $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{used}, + min => 0, max => $result->{"java.lang:name=".$memtype.",type=MemoryPool"}->{Usage}->{max}); + + $exit = $self->{perfdata}->threshold_check(value => $prct{$memtype}, + threshold => [ { label => 'critical_'.$mapping_memory{$memtype}, exit_litteral => 'critical' }, + { label => 'warning_'.$mapping_memory{$memtype}, 'exit_litteral' => 'warning'} ]); + + $self->{output}->output_add(long_msg => sprintf("%s usage is %.2f%%", $memtype, $prct{$memtype})); + push @exits, $exit; + if ($exit ne 'ok') { + $self->{output}->output_add(severity => $exit, + short_msg => sprintf("%s usage:%.2f%% ", $memtype, $prct{$memtype})); + } + + } + + $exit = $self->{output}->get_most_critical(status => [ @exits ]); + + $self->{output}->output_add(severity => $exit); + + $self->{output}->display(); + $self->{output}->exit(); + +} + +1; + +__END__ + +=head1 MODE + +Check JVM Memory Pools : + +Eden Space (heap) (-eden) : The pool from which memory is initially allocated for most objects. +Survivor Space (heap) (-survivor) : The pool containing objects that have survived the garbage collection of the Eden space. +Tenured Generation (heap) (-tenured) : The pool containing objects that have existed for some time in the survivor space. +Permanent Generation (non-heap) (-permanent) : The pool containing all the reflective data of the virtual machine itself, such as class and method objects. +Code Cache (non-heap) (-code) : The HotSpot Java VM also includes a code cache, containing memory that is used for compilation and storage of native code. + +Example: +perl centreon_plugins.pl --plugin=apps::tomcat::jmx::plugin --custommode=jolokia --url=http://10.30.2.22:00/jolokia-war --mode=memory-detailed --warning-eden 60 --critical-eden 75 --warning-survivor 65 --critical-survivor 75 + +=over 8 + +=item B<--warning-eden> + +Threshold warning of Heap 'Eden Space' memory usage + +=item B<--critical-eden> + +Threshold critical of Heap 'Survivor Space' memory usage + +=item B<--warning-tenured> + +Threshold warning of Heap 'Tenured Generation' memory usage + +=item B<--critical-tenured> + +Threshold critical of Heap 'Tenured Generation' memory usage + +=item B<--warning-survivor> + +Threshold warning of Heap 'Survivor Space' memory usage + +=item B<--critical-survivor> + +Threshold critical of Heap 'Survivor Space' memory usage + +=item B<--warning-permanent> + +Threshold warning of NonHeap 'Permanent Generation' memory usage + +=item B<--critical-permanent> + +Threshold critical of NonHeap 'Permanent Generation' memory usage + +=item B<--warning-code> + +Threshold warning of NonHeap 'Code Cache' memory usage + +=item B<--critical-code> + +Threshold critical of NonHeap 'Code Cache' memory usage + +=back + +=cut