On Sun, 1 Jun 2025 07:26:19 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 two > additional commits since the last revision: > > - Refactoring > - Remove convoluted native trace logic src/hotspot/share/jfr/periodic/sampling/jfrCPUTimeThreadSampler.cpp line 413: > 411: } > 412: if (Atomic::load(&count) % 1000 == 0) { > 413: log_info(jfr)("CPU thread sampler sent %zu events, lost %d, biased > %zu\n", Atomic::load(&count), Atomic::load(&_lost_samples_sum), > Atomic::load(&biased_count)); put this logging under jfr+debug or log+trace please ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/25302#discussion_r2119137014
