Integrated: 8354894: java/lang/Thread/virtual/Starvation.java timeout on server with high CPUs

[SendaoYan]

On Mon, 29 Sep 2025 08:52:04 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> 
> We observed java/lang/Thread/virtual/Starvation.java intermittent timed out on server with many CPU core number. The more CPU core number the 'runTest' will create more pinned virtual threads. This PR compute an iteration count which divide the CPU core number will make test run passed steady on server with high CPUs.
> 
> Before apply the proposed patch, test run finish 257 seconds, after apply the proposed patch test run finish 1.2 seconds on the 2 sockets system with Intel(R) Xeon(R) Platinum 8480+. So I remove the 'timeout=800', I think the default timeout 120 will be enough.

This pull request has now been integrated.

Changeset: 0366d882
Author:    SendaoYan <syan at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/0366d8823bc844225ca24964e352ce0a57d01683
Stats:     10 lines in 1 file changed: 7 ins; 0 del; 3 mod

8354894: java/lang/Thread/virtual/Starvation.java timeout on server with high CPUs

Co-authored-by: Alan Bateman <alanb at openjdk.org>
Reviewed-by: jpai

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PR: https://git.openjdk.org/jdk/pull/27543