introduce config option datasize to show graphs in bits or bytes

Config setting $CONFIG['datasize'] can be set to bits or bytes to show graph
data in bits or bytes.

Inspired-by: Neptune Ning (Plan) <frostyplanet@gmail.com>

1 files changed, 7 insertions, 4 deletions

diff --git a/plugin/zfs_arc.php b/plugin/zfs_arc.php
index d40912d..1cc7e81 100644
--- a/plugin/zfs_arc.php
+++ b/plugin/zfs_arc.php
@@ -60,7 +60,8 @@ switch($obj->args['type']) {
                         'maxlimit',
                 );
                 $obj->rrd_title = 'Arc size';
-                $obj->rrd_vertical = 'bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
                 break;
         case 'arc_l2_bytes':
                 $obj->data_sources = array(
@@ -76,20 +77,22 @@ switch($obj->args['type']) {
                         'read'  => '0000ff',
                 );
                 $obj->rrd_title = 'Arc L2 bytes';
-                $obj->rrd_vertical = 'bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
                 break;
         case 'arc_l2_size':
                 $obj->data_sources = array(
                         'value',
                 );
                 $obj->ds_names = array(
-                        'value'   => 'Bytes',
+                        'value'   => ucfirst($CONFIG['datasize']),
                 );
                 $obj->colors = array(
                         'value' => '0000ff',
                 );
                 $obj->rrd_title = 'Arc L2 size';
-                $obj->rrd_vertical = 'bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
                 break;
         case 'arc_ratio':
                 $obj->data_sources = array('value');