Getting more accurate free memory from physical hosts. Fixed ticket #62

git-svn-id: http://svn.opennebula.org/one/trunk@300 3034c82b-c49b-4eb3-8279-a7acafdc01c0

src/im_mad/kvm/kvm.rb

@@ -32,8 +32,6 @@ top_text.split(/\n/).each{|line|
             temp = elemento.strip.split("k ")
             if temp[1] == "used"
                 $used_memory = temp[0]
-            elsif temp[1] == "free"
-                $free_memory = temp[0]
             end
         }
     
@@ -51,6 +49,8 @@ top_text.split(/\n/).each{|line|
     end
 }
 
+$free_memory=`free -k|grep "buffers\/cache"|awk '{print $4}'`
+    
 net_text=`cat /proc/net/dev`
 
 net_text.split(/\n/).each{|line|