On Thu, 17 Nov 2022 09:12:07 GMT, Serguei Spitsyn <sspit...@openjdk.org> wrote:
> The `VirtualThread` static field `notifyJvmtiEvents` is not set correctly in > cases JVMTI agents are loaded into running VM. It is because an extra call to > java_lang_VirtualThread::init_static_notify_jvmti_events() is needed. > This function is called once at the VM initialization, so this extra call is > not necessary for agent loaded at startup. > > Testing: > New test is added: > `test/hotspot/jtreg/serviceability/jvmti/vthread/VirtualStackTraceTest` > This test is failed without fix and passed with it. > TBD: run all JVMTI and JDI test in mach5. test/hotspot/jtreg/serviceability/jvmti/vthread/VirtualStackTraceTest/VirtualStackTraceTest.java line 27: > 25: * @test > 26: * @summary Verifies JVMTI GetStackTrace does not truncate virtual thread > stack trace with agent attach > 27: * @requires vm.continuations @requires vm.jvmti is also needed ------------- PR: https://git.openjdk.org/jdk/pull/11204