RFR (S): 8015440 java/lang/management/MemoryMXBean/ResetPeakMemoryUsage.java fails with RuntimeException

[Peter Allwin]

Looking good to me.

/peter

----- Original Message -----
From: nils.loodin at oracle.com
To: serviceability-dev at openjdk.java.net
Sent: Tuesday, May 28, 2013 10:36:20 AM GMT +01:00 Amsterdam / Berlin / Bern / Rome / Stockholm / Vienna
Subject: Re: RFR (S): 8015440 java/lang/management/MemoryMXBean/ResetPeakMemoryUsage.java fails with RuntimeException

Looks good.

/Nisse

On 05/28/2013 10:11 AM, Staffan Larsen wrote:
> Please review the following fix:
>
> webrev: http://cr.openjdk.java.net/~sla/8015440/webrev.00/
> bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8015440
>
> The problem is that serial gc does not compact the heap at every full gc but only every 4th full gc (by default). When the heap isn't compacted the "usage" is returned as a higher-than-expect value. This can be changed with -XX:MarkSweepAlwaysCompactCount=1.
>
> Testing: I have rerun the test on a machine where it failed to make sure that it runs correctly with the extra flag.
>
> Thanks,
> /Staffan
>