115 lines
3.9 KiB
Perl
115 lines
3.9 KiB
Perl
#
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# Copyright 2015 Centreon (http://www.centreon.com/)
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#
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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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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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package database::oracle::mode::datacachehitratio;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$self->{version} = '1.0';
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$options{options}->add_options(arguments =>
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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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return $self;
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}
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sub check_options {
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my ($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->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
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$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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# $options{sql} = sqlmode object
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$self->{sql} = $options{sql};
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$self->{sql}->connect();
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$self->{sql}->query(query => q{
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SELECT SUM(DECODE(name, 'physical reads', value, 0)),
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SUM(DECODE(name, 'physical reads direct', value, 0)),
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SUM(DECODE(name, 'physical reads direct (lob)', value, 0)),
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SUM(DECODE(name, 'session logical reads', value, 0))
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FROM sys.v_$sysstat
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});
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my $result = $self->{sql}->fetchall_arrayref();
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my $physical_reads = @$result[0]->[0];
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my $physical_reads_direct = @$result[0]->[1];
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my $physical_reads_direct_lob = @$result[0]->[2];
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my $session_logical_reads = @$result[0]->[3];
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my $hitratio = 100 - 100 * (($physical_reads - $physical_reads_direct - $physical_reads_direct_lob) / $session_logical_reads);
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my $exit_code = $self->{perfdata}->threshold_check(value => $hitratio, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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$self->{output}->output_add(severity => $exit_code,
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short_msg => sprintf("Buffer cache hit ratio is %.2f%%", $hitratio));
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$self->{output}->perfdata_add(label => 'sga_data_buffer_hit_ratio',
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value => sprintf("%d",$hitratio),
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unit => '%',
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
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min => 0,
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max => 100);
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$self->{output}->display();
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$self->{output}->exit();
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}
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1;
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__END__
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=head1 MODE
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Check Oracle buffer cache hit ratio.
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=over 8
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=item B<--warning>
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Threshold warning.
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=item B<--critical>
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Threshold critical.
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=back
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=cut
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