On Wed, 4 Jun 2025 18:53:35 GMT, Andrei Pangin <apan...@openjdk.org> wrote:
>> Johannes Bechberger has updated the pull request incrementally with one >> additional commit since the last revision: >> >> Improve disenroll > > src/hotspot/share/jfr/periodic/sampling/jfrSampleRequest.cpp line 333: > >> 331: } >> 332: } >> 333: request._sample_ticks = JfrTicks::now(); > > For accurate correlation with other events, timestamp of a sample should be > taken as early as possible, preferably in the beginning of > `JfrCPUSamplerThread::handle_timer_signal` I moved it up: void JfrCPUSamplerThread::handle_timer_signal(siginfo_t* info, void* context) { JfrTicks now = JfrTicks::now(); ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/25302#discussion_r2127294191