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, 2 insertions, 1 deletions

diff --git a/plugin/swap.php b/plugin/swap.php
index c24d90b..dee5692 100644
--- a/plugin/swap.php
+++ b/plugin/swap.php
@@ -27,7 +27,8 @@ switch(GET('t')) {
                         'used'   => 'ff0000',
                 );
                 $obj->rrd_title = 'Swap utilization';
-                $obj->rrd_vertical = 'Bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
         case 'swap_io':
                 require_once 'type/GenericIO.class.php';