Integrated: JDK-8312625: Test serviceability/dcmd/vm/TrimLibcHeapTest.java failed: RSS use increased

[Thomas Stuefe]

On Tue, 25 Jul 2023 06:28:16 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> Trivial patch.
> 
> The test just fires `jcmd System.trim_native_heap`, but without preparing any special memory allocation conditions. Typically, we end up firing the command when VM initialization is done, and therefore end up trimming a lot of memory. But once in a blue moon concurrent allocations may be ongoing, so we may not trim anything, or even see increased RSS.
> 
> The patch just loosens the success condition to succeed if the trim happened, irregardless of how much memory had been trimmed.

This pull request has now been integrated.

Changeset: 117f42db
Author:    Thomas Stuefe <stuefe at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/117f42dbe9a78bcf43bdf3873d5d86a19a9092d3
Stats:     1 line in 1 file changed: 0 ins; 0 del; 1 mod

8312625: Test serviceability/dcmd/vm/TrimLibcHeapTest.java failed: RSS use increased

Reviewed-by: kevinw, dholmes

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PR: https://git.openjdk.org/jdk/pull/15009