From e1def433f2bb9d1615e252d6f7e76a47c6ecc896 Mon Sep 17 00:00:00 2001
From: Aurélien ROUGEMONT
Date: Mon, 18 Apr 2011 20:04:02 +0200
Subject: plugin: add zfs_arc plugin

---
 plugin/zfs_arc.php | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 plugin/zfs_arc.php

(limited to 'plugin')

diff --git a/plugin/zfs_arc.php b/plugin/zfs_arc.php
new file mode 100644
index 0000000..4a2592b
--- /dev/null
+++ b/plugin/zfs_arc.php
@@ -0,0 +1,103 @@
+<?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);
+$obj->width = $width;
+$obj->heigth = $heigth;
+switch($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';
+		$obj->rrd_format = '%5.1lf%s';
+		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';
+		$obj->rrd_format = '%5.1lf%s';
+		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';
+		$obj->rrd_format = '%5.1lf%s';
+		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';
+		$obj->rrd_format = '%5.1lf%s';
+		break;
+	case 'arc_ratio':
+		$obj->data_sources = array('value');
+		$obj->rrd_title = 'Arc ratio';
+		$obj->rrd_vertical = 'ratio';
+		$obj->rrd_format = '%5.1lf%s';
+		break;
+}
+collectd_flush($obj->identifiers);
+$obj->rrd_graph();
-- 
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