diff -r 8930f54b59b4 -r 11df86fd2d67 bin/pvl.verkko-rrd
--- a/bin/pvl.verkko-rrd	Sun Jan 20 18:31:21 2013 +0200
+++ b/bin/pvl.verkko-rrd	Sun Jan 20 18:51:51 2013 +0200
@@ -33,7 +33,10 @@
     parser.add_option_group(pvl.args.parser(parser))
 
     parser.add_option('--rrd', metavar='PATH',
-        help="Path to RRD files")
+        help="Find RRD files")
+
+    parser.add_option('--cache', metavar='PATH',
+        help="Cache RRD graphs")
 
     # parse
     options, args = parser.parse_args(args)
@@ -56,7 +59,7 @@
         log.error("no --rrd given")
         return 2
 
-    rrd = pvl.verkko.rrd.RRDDatabase(options.rrd)
+    rrd = pvl.verkko.rrd.RRDDatabase(options.rrd, options.cache)
 
     # app
     application = pvl.verkko.rrd.Application(rrd)