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List:       openjdk-hotspot-runtime-dev
Subject:    Re: RFR: JDK-8290868: NMT: MallocSiteTable statistics improvements
From:       Thomas Stuefe <stuefe () openjdk ! org>
Date:       2022-07-30 13:07:00
Message-ID: _XtWQJjMSLzv1bbvV7uBI1-orpb-l8DW0auQ3w6Zcfw=.dff93ff8-a635-482a-b238-a0660c6aa5ab () github ! com
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On Fri, 22 Jul 2022 19:03:25 GMT, Zhengyu Gu <zgu@openjdk.org> wrote:

> > Smallish improvement/simplification for the MallocSiteTable statistics.
> > 
> > Instead of printing the full chain length distribution, which is not very \
> > helpful, we now print number of empty slots, medium bucket length, and max. \
> > bucket chain length. As a bonus, coding gets simpler. 
> > Looks like this now:
> > 
> > thomas@starfish:~$ jcmd spring-petclinic VM.native_memory statistics
> > 70863:
> > Native Memory Tracking Statistics:
> > ...
> > 
> > Bucket chain length distribution:
> > unused:  1
> > longest: 15
> > median:  6
> 
> Marked as reviewed by zgu (Reviewer).

Thanks @zhengyu123  and @RealLucy.

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

PR: https://git.openjdk.org/jdk/pull/9611


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