RFR: BrooksPointer tracing overwhelms -Xlog:gc=trace

[Zhengyu Gu]

Good.

-Zhengyu

On 08/18/2017 12:07 PM, Aleksey Shipilev wrote:
> Zhengyu had recently added the test that exercises different log levels. Sometimes, e.g. when that
> test is falling into Full GC, the logs are overwhelmed with messages like these:
>
> [2427.622s][trace][gc] GC(1) Forwardee for 0x00000006c3501360 = 0x00000006c3501360
> [2427.622s][trace][gc] GC(1) Forwardee for 0x00000006c0039810 = 0x00000006c0039810
>
> Logging every fwdptr operation is sure excessive, let's relax it:
>  http://cr.openjdk.java.net/~shade/shenandoah/brooks-nolog/webrev.01/
>
> Additionally, cleaned up unused methods and made sure we call Verifier on interesting paths.
>
> Testing: hotspot_gc_shenandoah
>
> Thanks,
> -Aleksey
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