+ enhance memory mode
+ add swap + add failed memory allocations + refactor code + ref https://github.com/centreon/centreon-plugins/issues/337
This commit is contained in:
Sims24
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@ -1,5 +1,5 @@
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#
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#
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# Copyright 2016 Centreon (http://www.centreon.com/)
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# Copyright 2015 Centreon (http://www.centreon.com/)
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#
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# the needs in IT infrastructure and application monitoring for
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@ -20,65 +20,131 @@
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package network::checkpoint::mode::memory;
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package network::checkpoint::mode::memory;
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use base qw(centreon::plugins::mode);
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use base qw(centreon::plugins::templates::counter);
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use strict;
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use strict;
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use warnings;
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use warnings;
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use Digest::MD5 qw(md5_hex);
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sub custom_usage_output {
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my ($self, %options) = @_;
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my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total_absolute});
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my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used_absolute});
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my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free_absolute});
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my $msg = sprintf("Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
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$total_size_value . " " . $total_size_unit,
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$total_used_value . " " . $total_used_unit, $self->{result_values}->{prct_used_absolute},
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$total_free_value . " " . $total_free_unit, 100 - $self->{result_values}->{prct_used_absolute});
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return $msg;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'memory', type => 0, cb_prefix_output => 'prefix_memory_output' },
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{ name => 'swap', type => 0, cb_prefix_output => 'prefix_swap_output' },
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{ name => 'malloc', type => 0, skipped_code => { -10 => 1 } },
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];
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$self->{maps_counters}->{memory} = [
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{ label => 'memory', set => {
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key_values => [ { name => 'prct_used'}, { name => 'used' }, { name => 'free' }, { name => 'total' } ],
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closure_custom_output => $self->can('custom_usage_output'),
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threshold_use => 'prct_used_absolute',
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perfdatas => [
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{ label => 'memory', value => 'used_absolute', template => '%.2f', threshold_total => 'total_absolute', cast_int => 1,
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min => 0, max => 'total_absolute', unit => 'B' },
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],
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}
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},
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];
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$self->{maps_counters}->{swap} = [
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{ label => 'swap', set => {
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key_values => [ { name => 'prct_used' }, { name => 'used' }, { name => 'free' }, { name => 'total' } ],
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closure_custom_output => $self->can('custom_usage_output'),
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threshold_use => 'prct_used_absolute',
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perfdatas => [
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{ label => 'swap', value => 'used_absolute', template => '%.2f', threshold_total => 'total_absolute', cast_int => 1,
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min => 0, max => 'total_absolute', unit => 'B' },
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],
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}
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},
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];
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$self->{maps_counters}->{malloc} = [
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{ label => 'failed-malloc', set => {
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key_values => [ { name => 'failed_mallocs', diff => 1 } ],
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per_second => 1,
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output_template => 'Failed memory allocations %.2f/s',
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perfdatas => [
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{ label => 'failed_mallocs', value => 'failed_mallocs_per_second', template => '%.2f', min => 0 },
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],
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}
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},
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];
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}
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sub prefix_memory_output {
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my ($self, %options) = @_;
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return "Memory ";
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}
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sub prefix_swap_output {
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my ($self, %options) = @_;
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return "Swap ";
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}
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sub new {
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sub new {
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my ($class, %options) = @_;
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
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bless $self, $class;
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bless $self, $class;
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$self->{version} = '1.0';
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$self->{version} = '1.0';
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$options{options}->add_options(arguments =>
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$options{options}->add_options(arguments =>
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{
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{
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"warning:s" => { name => 'warning', },
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"critical:s" => { name => 'critical', },
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});
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});
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return $self;
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return $self;
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}
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}
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sub check_options {
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sub manage_selection {
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my ($self, %options) = @_;
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my ($self, %options) = @_;
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$self->SUPER::init(%options);
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if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
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$self->{cache_name} = "checkpoint_" . $options{snmp}->get_hostname() . '_' . $options{snmp}->get_port() . '_' . $self->{mode} . '_' .
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$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
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(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all'));
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
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$self->{output}->option_exit();
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}
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}
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sub run {
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my ($self, %options) = @_;
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$self->{snmp} = $options{snmp};
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# CHECKPOINT-MIB
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my $oid_memTotalVirtual64 = '.1.3.6.1.4.1.2620.1.6.7.4.1.0';
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my $oid_memActiveVirtual64 = '.1.3.6.1.4.1.2620.1.6.7.4.2.0';
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my $oid_memTotalReal64 = '.1.3.6.1.4.1.2620.1.6.7.4.3.0';
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my $oid_memTotalReal64 = '.1.3.6.1.4.1.2620.1.6.7.4.3.0';
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my $oid_memActiveReal64 = '.1.3.6.1.4.1.2620.1.6.7.4.4.0';
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my $oid_memActiveReal64 = '.1.3.6.1.4.1.2620.1.6.7.4.4.0';
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my $oid_memFreeReal64 = '.1.3.6.1.4.1.2620.1.6.7.4.5.0';
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my $oid_fwKmemFailedAlloc = '.1.3.6.1.4.1.2620.1.1.26.2.15.0';
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my $result = $self->{snmp}->get_leef(oids => [$oid_memTotalReal64, $oid_memActiveReal64], nothing_quit => 1);
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my $results = $options{snmp}->get_leef(oids => [$oid_memTotalVirtual64, $oid_memActiveVirtual64, $oid_fwKmemFailedAlloc,
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my ($memActiveReal64_value, $memActiveReal64_unit) = $self->{perfdata}->change_bytes(value => $result->{$oid_memActiveReal64});
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$oid_memTotalReal64, $oid_memActiveReal64, $oid_memFreeReal64],
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nothing_quit => 1);
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my $memPrctUsage = $result->{$oid_memActiveReal64} / $result->{$oid_memTotalReal64} * 100;
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my $free_bytes_swap = $results->{$oid_memTotalVirtual64} - $results->{$oid_memActiveVirtual64};
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my $exit = $self->{perfdata}->threshold_check(value => $memPrctUsage,
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$self->{memory} = {prct_used => $results->{$oid_memActiveReal64} * 100 / $results->{$oid_memTotalReal64},
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threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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used => $results->{$oid_memActiveReal64},
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$self->{output}->output_add(severity => $exit,
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free => $results->{$oid_memFreeReal64},
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short_msg => sprintf("Memory Usage: %.2f %s used (%.2f%%)", $memActiveReal64_value, $memActiveReal64_unit, $memPrctUsage));
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total => $results->{$oid_memTotalReal64},
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$self->{output}->perfdata_add(label => "used", unit => 'B',
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};
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value => $result->{$oid_memActiveReal64},
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', total => $result->{$oid_memTotalReal64}, cast_int => 1),
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$self->{swap} = {prct_used => $results->{$oid_memActiveVirtual64} * 100 / $results->{$oid_memTotalVirtual64},
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', total => $result->{$oid_memTotalReal64}, cast_int => 1),
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used => $results->{$oid_memActiveVirtual64},
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min => 0, max => $result->{$oid_memTotalReal64}
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free => $free_bytes_swap,
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);
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total => $results->{$oid_memTotalVirtual64},
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};
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$self->{malloc} = {failed_mallocs => $results->{$oid_fwKmemFailedAlloc}};
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$self->{output}->display();
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$self->{output}->exit();
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}
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}
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1;
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1;
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@ -87,19 +153,25 @@ __END__
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=head1 MODE
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=head1 MODE
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Check firewall real memory usage (chkpnt.mib).
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Check memory, swap usage and failed memory allocations per sec
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=over 8
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=over 8
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=item B<--warning>
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=item B<--filter-counters>
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Threshold warning in percent.
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Only display some counters (regexp can be used).
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Example: --filter-counters='^(failed-malloc)$'
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=item B<--critical>
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=item B<--warning-*>
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Threshold critical in percent.
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Threshold warning.
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Can be: 'memory', 'swap', 'failed-malloc'
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=item B<--critical-*>
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Threshold critical.
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Can be: 'memory', 'swap', 'failed-malloc'
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=back
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=back
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=cut
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=cut
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