diff --git a/framework/autonomicmanager/src/main/java/br/ufrgs/inf/prosoft/adaptivecaching/sampling/adaptation/ResourceUsage.java b/framework/autonomicmanager/src/main/java/br/ufrgs/inf/prosoft/adaptivecaching/sampling/adaptation/ResourceUsage.java
new file mode 100644
index 0000000..86e1cd3
--- /dev/null
+++ b/framework/autonomicmanager/src/main/java/br/ufrgs/inf/prosoft/adaptivecaching/sampling/adaptation/ResourceUsage.java
@@ -0,0 +1,38 @@
+package br.ufrgs.inf.prosoft.adaptivecaching.sampling;
+
+import javax.management.Attribute;
+import javax.management.AttributeList;
+import javax.management.MBeanServer;
+import javax.management.ObjectName;
+import java.lang.management.ManagementFactory;
+
+public class ResourceUsage {
+ private static String generateRAM()
+ {
+ final long RAM_TOTAL = Runtime.getRuntime().totalMemory();
+ final long RAM_FREE = Runtime.getRuntime().freeMemory();
+ final long RAM_USED = RAM_TOTAL - RAM_FREE;
+ final long RAM_TOTAL_MB = RAM_TOTAL / 1024 / 1024;
+ final long RAM_FREE_MB = RAM_FREE / 1024 / 1024;
+ final long RAM_USED_MB = ((double) RAM_USED) / 1024 / 1024;
+ final double RAM_USED_PERCENTAGE = ((double) RAM_USED / RAM_TOTAL) * 100;
+ return RAM_TOTAL_MB + "MB TOTAL / " + RAM_FREE_MB + "MB FREE / " + RAM_USED_MB + "MB USED (" + RAM_USED_PERCENTAGE + "%)";
+ }
+
+ public static double getProcessCpuLoad() throws Exception {
+
+ MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
+ ObjectName name = ObjectName.getInstance("java.lang:type=SystemCpuLoad");
+ AttributeList list = mbs.getAttributes(name, new String[]{ "ProcessCpuLoad" });
+
+ if (list.isEmpty()) return Double.NaN;
+
+ Attribute att = (Attribute)list.get(0);
+ Double value = (Double)att.getValue();
+
+ // usually takes a couple of seconds before we get real values
+ if (value == -1.0) return Double.NaN;
+ // returns a percentage value with 1 decimal point precision
+ return ((int)(value * 1000) / 10.0);
+ }
+}
