On Tue, 3 Jun 2025 07:12:46 GMT, Johannes Bechberger <jbechber...@openjdk.org> wrote:
>> This is the code for the [JEP 509: CPU Time based profiling for >> JFR](https://openjdk.org/jeps/509). >> >> Currently tested using [this test >> suite](https://github.com/parttimenerd/basic-profiler-tests). This runs >> profiles the [Renaissance](https://renaissance.dev/) benchmark with >> - ... different heap sizes >> - ... different GCs >> - ... different samplers (the standard JFR and the new CPU Time Sampler and >> both) >> - ... different JFR recording durations >> - ... different chunk-sizes > > Johannes Bechberger has updated the pull request incrementally with three > additional commits since the last revision: > > - Update src/hotspot/share/jfr/periodic/sampling/jfrCPUTimeThreadSampler.cpp > > Co-authored-by: Aleksey Shipilëv <shipi...@amazon.de> > - Update src/hotspot/share/jfr/periodic/sampling/jfrCPUTimeThreadSampler.cpp > > Co-authored-by: Aleksey Shipilëv <shipi...@amazon.de> > - Small fixes We already do: void JfrCPUTimeThreadSampler::on_javathread_terminate(JavaThread* thread) { JfrThreadLocal* tl = thread->jfr_thread_local(); assert(tl != nullptr, "invariant"); timer_t* timer = tl->cpu_timer(); if (timer == nullptr) { return; // no timer was created for this thread } timer_delete(*timer); ------------- PR Comment: https://git.openjdk.org/jdk/pull/25302#issuecomment-2933945034
