Hi Alan Finally had time today to do some testing of can_generate_early_vmstart.
Can you elaborate on which classes I should be able to patch using CFLH with early_vmstart enabled? From the quick testing I did, it appears that most of the core java.lang classes do not generate CFLH events? For instance java.lang.Class or java.lang.reflect.Method. A quick comparison with Java8, there are about 100 classes that do not generate CFLH events. /Michael On 29 March 2016 at 12:51, Alan Bateman <alan.bate...@oracle.com> wrote: > On 29/03/2016 10:14, Michael Rasmussen wrote: >> >> With the new -Xpatch format, are there any plans to add support for >> adding (or modifying) these from JVMTI in the OnLoad phase? >> >> /Michael > > Not specifically but you can use -Xpatch in conjunction with > -agentlib/-agentpath. > > Also if enable the new can_generate_early_vmstart capability then you can > use the ClassFileLoadHook to patch classes loaded early in the startup. In > previous threads I think you mentioned this was something you were looking > to do. > > -Alan
