Round figures for system info

app/controllers/admin/system_info_controller.rb

@@ -3,10 +3,10 @@ class Admin::SystemInfoController < Admin::ApplicationController
     system_info = Vmstat.snapshot
     @load = system_info.load_average.collect { |v| v.round(2) }.join(', ')
-    @mem_used = Filesize.from("#{system_info.memory.active_bytes} B").to_s('GB')
-    @mem_total = Filesize.from("#{system_info.memory.total_bytes} B").to_s('GB')
-    @disk_used = Filesize.from("#{system_info.disks[0].used_bytes} B").to_s('GB')
-    @disk_total = Filesize.from("#{system_info.disks[0].total_bytes} B").to_s('GB')
+    @mem_used = Filesize.from("#{system_info.memory.active_bytes} B").to_f('GB').round
+    @mem_total = Filesize.from("#{system_info.memory.total_bytes} B").to_f('GB').round
+    @disk_used = Filesize.from("#{system_info.disks[0].used_bytes} B").to_f('GB').round
+    @disk_total = Filesize.from("#{system_info.disks[0].total_bytes} B").to_f('GB').round
   end
 end

app/views/admin/system_info/show.html.haml

@@ -14,9 +14,9 @@
       .light-well
         %h4 Memory
         .data
-          %h1= "#{@mem_used} / #{@mem_total}"
+          %h1= "#{@mem_used}GB / #{@mem_total}GB"
     .col-sm-4
       .light-well
         %h4 Disk
         .data
-          %h1= "#{@disk_used} / #{@disk_total}"
+          %h1= "#{@disk_used}GB / #{@disk_total}GB"