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List:       openjdk-hotspot-runtime-dev
Subject:    Re: RFR: 8330849: Add test to verify memory usage with recursive locking [v5]
From:       Roman Kennke <rkennke () openjdk ! org>
Date:       2024-04-24 18:59:34
Message-ID: 6rAwJjT2rxRCw8qkFuhEt2JQmphWOF-RM4oJW0_S8HU=.68bae8a2-47de-4282-ab1e-be36348d2dcc () github ! com
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On Wed, 24 Apr 2024 13:42:56 GMT, Roman Kennke <rkennke@openjdk.org> wrote:

> > Before recursive support has been added to lightweight locking, using recursive \
> > locking patterns would inflate lightweight locks to full monitors. In some \
> > scenarios (when churning lots of recursively locked objects), this could lead to \
> > excessive native memory usage. I'd like to add a test that verifies that this \
> > does not happen. 
> > I verified that the new test fails reliably with an earlier commit that did not \
> > have LW recursive locking, yet, and passes with latest LW recursive locking.
> 
> Roman Kennke has updated the pull request incrementally with one additional commit \
> since the last revision: 
> @shipilev review

Thanks!

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

PR Comment: https://git.openjdk.org/jdk/pull/18899#issuecomment-2075620352


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