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/postgresql.php b/plugin/postgresql.php
index 1eadc8d..ed984a6 100644
--- a/plugin/postgresql.php
+++ b/plugin/postgresql.php
@@ -51,7 +51,8 @@ switch($obj->args['type']) {
                 );
                 $obj->rrd_title = sprintf('PostgreSQL DB size (%s)',
                         !empty($obj->args['pinstance']) ? $obj->args['pinstance'] : '');
-                $obj->rrd_vertical = 'Bytes';
+                $obj->rrd_vertical = ucfirst($CONFIG['datasize']);
+                $obj->scale = $CONFIG['datasize'] == 'bits' ? 8 : 1;
         break;
         case 'pg_n_tup_c':
                 $obj->order = array(