This rapport describes a performance test suite (benchmark) for JMX the Java Management eXtention the Java framework dedicated to Java applications and services management. This suite mainly target scale factors for JMX agents. The injection scenarios (workloads) are synthetic, they do not try to perfectly mimic a real management traffic. The test suite includes: -a system under test (a configurable set of configurable MBeans); -some loads injectors ; -scripts to start tests and collect measures ; -scripts for a post-mortem analysis of measures.