[jdk8u-dev] RFR: 8228658: test GetTotalSafepointTime.java fails on fast Linux machines with Total safepoint time 0 ms

[SendaoYan]

On Wed, 14 May 2025 19:30:17 GMT, Paul Hohensee <phh at openjdk.org> wrote:

>> Hi all,
>>   We observerd the test `sun/management/HotspotRuntimeMBean/GetTotalSafepointTime.java` intermittent fails on jdk8u-dev. The failure phenomenon same to [JDK-8228658](https://bugs.openjdk.org/browse/JDK-8228658). So I want to backport this PR from jdk11u-dev to jdk8u-dev.
>> 
>> Only the copyright year backported not cleanly, the copyright year modified by JDK-6719955 and JDK-6943119 in jdk8u-dev. Other parts are backport cleanly.
>> 
>> The change has been verified locally, make the test more robustness, test fix only, no risk.
>
> Marked as reviewed by phh (Reviewer).

Thanks for the review and approved @phohensee @jerboaa

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PR Comment: https://git.openjdk.org/jdk8u-dev/pull/578#issuecomment-3000219687