On 09/03/2016 18:01, Mandy Chung wrote: > what about sun.tools.vm.spi? jdk.internal.vm.agent.spi (instead of jdk.internal.vm.spi which seems to be a generic VM SPI rather than specific to tools?) As the tools are in sun.tools.<tool> and the SA tool classes are in sun.jvm.hotspot.tools then this name looks okay to me. -Alan