233 lines
8.2 KiB
Perl
233 lines
8.2 KiB
Perl
#
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# Copyright 2021 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::eventwaitsusage;
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use base qw(centreon::plugins::templates::counter);
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use strict;
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use warnings;
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use Digest::MD5 qw(md5_hex);
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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 => 'event_count', type => 0 },
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{ name => 'event', type => 1, cb_prefix_output => 'prefix_event_output', message_multiple => 'All event waits are OK', skipped_code => { -11 => 1, -10 => 1 } },
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];
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$self->{maps_counters}->{event_count} = [
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{ label => 'event-count', set => {
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key_values => [ { name => 'count' } ],
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output_template => 'Event Wait Count : %s events',
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perfdatas => [
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{ label => 'event_wait_count', template => '%s', min => 0 }
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],
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}
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},
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];
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$self->{maps_counters}->{event} = [
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{ label => 'total-waits-sec', set => {
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key_values => [ { name => 'total_waits', per_second => 1 }, { name => 'display' } ],
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output_template => 'Total Waits : %.2f/s',
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perfdatas => [
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{ label => 'total_waits', template => '%.2f',
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unit => '/s', min => 0, label_extra_instance => 1, instance_use => 'display' },
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],
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}
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},
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{ label => 'total-waits-time', set => {
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key_values => [ { name => 'time_waited_micro', diff => 1 }, { name => 'display' } ],
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closure_custom_calc => $self->can('custom_usage_calc'),
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output_template => 'Total Waits Time : %.2f %%', output_use => 'prct_wait', threshold_use => 'prct_wait',
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perfdatas => [
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{ label => 'total_waits_time', value => 'prct_wait', template => '%.2f', min => 0, max => 100, unit => '%',
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label_extra_instance => 1, instance_use => 'display' },
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],
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}
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},
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],
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}
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sub custom_usage_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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my $delta_total = $options{new_datas}->{$self->{instance} . '_time_waited_micro'} - $options{old_datas}->{$self->{instance} . '_time_waited_micro'};
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$self->{result_values}->{prct_wait} = 100 * ($delta_total / 1000000) / $options{delta_time};
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return 0;
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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'filter-name:s' => { name => 'filter_name' },
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'wait-time-min:s' => { name => 'wait_time_min', default => 1000 },
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'show-details' => { name => 'show_details' }
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});
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return $self;
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}
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sub prefix_event_output {
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my ($self, %options) = @_;
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return "Event '" . $options{instance_value}->{display} . "' ";
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}
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sub event_count_and_details {
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my ($self, %options) = @_;
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my $query_count = "SELECT count(*) as NB
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FROM v\$session
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WHERE WAIT_TIME_MICRO>" . $self->{option_results}->{wait_time_min} . "
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AND status='ACTIVE' and WAIT_CLASS <>'Idle'";
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$self->{sql}->query(query => $query_count);
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my $result = $self->{sql}->fetchrow_hashref();
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$self->{event_count}->{count} = $result->{NB};
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if (defined($self->{option_results}->{show_details})) {
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my $query_details = "SELECT
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a.username USERNAME,
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a.program PROGRAM,
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a.event EVENT,
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round(a.WAIT_TIME_MICRO/1000000,0) SEC_WAIT,
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d.sql_text SQL_TEXT
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FROM
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v\$session a,
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v\$sqlstats d
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WHERE
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a.sql_id = d.sql_id
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and a.status='ACTIVE'
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and a.wait_class <> 'Idle'
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and WAIT_TIME_MICRO>" . $self->{option_results}->{wait_time_min} . "
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and a.sid not in (SELECT SID FROM V\$SESSION WHERE audsid = userenv('SESSIONID'))
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ORDER BY
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a.WAIT_TIME_MICRO desc";
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$self->{sql}->query(query => $query_details );
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while (my $result = $self->{sql}->fetchrow_hashref()) {
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$self->{output}->output_add(long_msg => sprintf("Username: '%s', Program: '%s' Event: '%s', Second wait: '%s's, Details: '%s'\n",
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$result->{USERNAME}, $result->{PROGRAM}, $result->{EVENT}, $result->{SEC_WAIT}, $result->{SQL_TEXT}));
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}
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}
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}
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{sql} = $options{sql};
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$self->{sql}->connect();
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my $query = q{
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SELECT e.event#, e.name,
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NVL(s.total_waits, 0), NVL(s.total_timeouts, 0), NVL(s.time_waited, 0),
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NVL(s.time_waited_micro, 0), NVL(s.average_wait, 0)
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FROM v$event_name e LEFT JOIN sys.v_$system_event s ON e.name = s.event
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};
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if ($self->{sql}->is_version_minimum(version => '10')) {
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$query = q{
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SELECT e.event_id, e.name,
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NVL(s.total_waits, 0), NVL(s.total_timeouts, 0), NVL(s.time_waited, 0),
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NVL(s.time_waited_micro, 0), NVL(s.average_wait, 0)
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FROM v$event_name e LEFT JOIN sys.v_$system_event s ON e.name = s.event
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};
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}
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$self->{sql}->query(query => $query);
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my $result = $self->{sql}->fetchall_arrayref();
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$self->{event} = {};
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foreach my $row (@$result) {
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my ($name, $total_waits, $time_waited_micro) = ($row->[1], $row->[2], $row->[5]);
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if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
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$name !~ /$self->{option_results}->{filter_name}/) {
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$self->{output}->output_add(long_msg => "skipping '" . $name . "': no matching filter.", debug => 1);
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next;
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}
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$self->{event}->{$name} = {
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display => $name,
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total_waits => $total_waits,
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time_waited_micro => $time_waited_micro
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};
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}
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if ($self->{sql}->is_version_minimum(version => '10')) {
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$self->event_count_and_details();
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}
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$self->{sql}->disconnect();
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if (scalar(keys %{$self->{event}}) <= 0) {
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$self->{output}->add_option_msg(short_msg => "No event found.");
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$self->{output}->option_exit();
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}
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$self->{cache_name} = "oracle_" . $self->{mode} . '_' . $self->{sql}->get_unique_id4save() . '_' .
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(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all')) . '_' .
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(defined($self->{option_results}->{filter_name}) ? md5_hex($self->{option_results}->{filter_name}) : md5_hex('all'));
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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 event wait usage.
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=over 8
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=item B<--warning-*>
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Threshold warning.
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Can be: 'total-waits-sec', 'total-waits-time', 'event-count'.
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=item B<--critical-*>
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Threshold critical.
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Can be: 'total-waits-sec', 'total-waits-time', 'event-count'.
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=item B<--filter-name>
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Filter by event name. Can be a regex.
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=item B<--wait-time-min>
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Time in ms above which we count an event as waiting
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=item B<--show-details>
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Print details of waiting events (user, query, ...) in long output
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=back
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=cut
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