Integrated: 8370732: Use WhiteBox.getWhiteBox().fullGC() to provoking gc for nsk/jvmti tests

[SendaoYan]

On Tue, 28 Oct 2025 06:22:14 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> 
> This PR use `WhiteBox.getWhiteBox().fullGC()` instead of 'ClassUnloader.eatMemory()' to provoking gc for several test/hotspot/jtreg/vmTestbase/nsk/jvmti tests, It is the fast and robust way to trigger Full GC without risks hitting OOME, and will make test run finish more quicker on machine with huge physical memory.
> 
> Change has been verified locally, test-fix only, no risk.
> 
> 
> grep VmRSS /proc/`ps -ef | grep -w java | grep vmsqe.aod.AppId | awk '{print $2}'`/status

This pull request has now been integrated.

Changeset: 54fe5021
Author:    SendaoYan <syan at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/54fe50210efe9ae6fad225b815cfdeb16c868115
Stats:     299 lines in 27 files changed: 33 ins; 234 del; 32 mod

8370732: Use WhiteBox.getWhiteBox().fullGC() to provoking gc for nsk/jvmti tests

Reviewed-by: cjplummer, lmesnik, sspitsyn

-------------

PR: https://git.openjdk.org/jdk/pull/28011