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List:       openjdk-serviceability-dev
Subject:    Integrated: JDK-8312625: Test serviceability/dcmd/vm/TrimLibcHeapTest.java failed: RSS use increased
From:       Thomas Stuefe <stuefe () openjdk ! org>
Date:       2023-07-26 5:49:01
Message-ID: 2nAwHvW-D4-A0YvRmK0JrnbdQ3UGSKEGrtukl_V79BQ=.1038b025-56ea-41a9-9d16-95bd41ad39c9 () github ! com
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On Tue, 25 Jul 2023 06:28:16 GMT, Thomas Stuefe <stuefe@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@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

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

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


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