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<?php
# Collectd zfs_arc plugin
require_once 'conf/common.inc.php';
require_once 'type/Default.class.php';
require_once 'inc/collectd.inc.php';
## LAYOUT
# zfs_arc/
# zfs_arc/arc_counts-hits.rrd
# zfs_arc/arc_counts-misses.rrd
# zfs_arc/arc_l2_bytes.rrd
# zfs_arc/arc_l2_size.rrd
# zfs_arc/arc_ratio-L1.rrd
# zfs_arc/arc_ratio-L2.rrd
# zfs_arc/arc_size.rrd
$obj = new Type_Default($CONFIG, $_GET);
$obj->rrd_format = '%5.1lf%s';
switch($obj->args['type']) {
case 'arc_counts':
$obj->data_sources = array(
'demand_data',
'demand_metadata',
'prefetch_data',
'prefetch_metadata',
);
$obj->colors = array(
'hits-demand_data' => 'ff0000',
'misses-demand_data' => '880000',
'hits-demand_metadata' => '00ff00',
'misses-demand_metadata' => '00aa00',
'hits-prefetch_data' => '0000ff',
'misses-prefetch_data' => '00f0f0',
'hits-prefetch_metadata' => 'ff00ff',
'misses-prefetch_metadata' => '888800',
);
$obj->ds_names = array(
'hits-demand_data' => 'data hits',
'misses-demand_data' => 'metadata misses',
'hits-demand_metadata' => 'metadata hits',
'misses-demand_metadata' => 'metadata misses',
'hits-prefetch_data' => 'prefetch data hits',
'misses-prefetch_data' => 'prefetch data misses',
'hits-prefetch_metadata' => 'prefetch metadata hits',
'misses-prefetch_metadata' => 'prefetch metadata misses',
);
$obj->rrd_title = 'arc counts';
$obj->rrd_vertical = 'count';
break;
case 'arc_size':
$obj->data_sources = array('current','target','minlimit','maxlimit');
$obj->order = array(
'current',
'target',
'minlimit',
'maxlimit',
);
$obj->rrd_title = 'Arc size';
$obj->rrd_vertical = 'bytes';
break;
case 'arc_l2_bytes':
$obj->data_sources = array(
'write',
'read',
);
$obj->ds_names = array(
'write' => 'Write',
'read' => 'Read',
);
$obj->colors = array(
'write' => 'ff0000',
'read' => '0000ff',
);
$obj->rrd_title = 'Arc L2 bytes';
$obj->rrd_vertical = 'bytes';
break;
case 'arc_l2_size':
$obj->data_sources = array(
'value',
);
$obj->ds_names = array(
'value' => 'Bytes',
);
$obj->colors = array(
'value' => '0000ff',
);
$obj->rrd_title = 'Arc L2 size';
$obj->rrd_vertical = 'bytes';
break;
case 'arc_ratio':
$obj->data_sources = array('value');
$obj->rrd_title = 'Arc ratio';
$obj->rrd_vertical = 'ratio';
break;
}
collectd_flush($obj->identifiers);
$obj->rrd_graph();
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