On Mon, 17 Nov 2025 20:32:52 GMT, Jonas Norlinder <[email protected]> wrote:
> Current trivial test for `TestGetTotalGcCpuTime` fails as some OSs may have a > slower update rate for the underlying CPU time thread counters than the code > anticipated, causing the test to fail which assumes that some work have been > performed and the count should be non-zero. > > Solution: All GCs we are testing are tracing GCs. Therefore, add some marking > job to inflate the GC CPU time such that we can guarantee to observe a > non-zero value. Thanks David and Chris for the reviews! > I'm unclear what a GC's "slower update rate" means. It is the OS's scheduler that needs to schedule its task to update the thread CPU time. ------------- PR Comment: https://git.openjdk.org/jdk/pull/28362#issuecomment-3546173687
