[jdk8u-dev] RFR: 8174734: Safepoint sync time did not increase

[SendaoYan]

On Wed, 10 Dec 2025 04:08:45 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> 
> This backport PR will fix the test bug which cause sun/management/HotspotRuntimeMBean/GetSafepointSyncTime.java intermittent fails. Before this backport , test fails about 1/50 probability. After this backport PR, test run all passed 10k times.
> 
> This test was problemlist by [JDK-8174855](https://bugs.openjdk.org/browse/JDK-8174855), this do not backported to jdk8u. So this backport do not need change the jdk/test/Problemlist.txt. And the copyright year different. These two parts cause this backport PR uncleanly. Other parts are all cleanly.

GHA report linux-x64 and linux-x86 runtime/containers/docker/TestCPUAwareness.java fails, which is being exclude by https://github.com/openjdk/jdk8u-dev/pull/727, it's unrelated to this backport PR.

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PR Comment: https://git.openjdk.org/jdk8u-dev/pull/734#issuecomment-3635662764