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@@ -1,2 +1,9 @@
 # perfix
 poor man's profiling for JVM's
+
+* agent that instruments loaded classes: -javaagent:perfix.jar
+* skip instrumentation with -Dperfix.excludes=java,com,org ...etc
+* shutdown hook to report executed methods:
+** #invocations
+** total execution time for the method in nanoseconds
+** average time in nanoseconds per method (= total/#invocatons)