record object number in AgeTable for G1

Thomas Schatzl thomas.schatzl at oracle.com
Tue Jan 22 12:05:23 UTC 2019


Hi,

On Fri, 2019-01-18 at 13:48 +0000, 臧琳 wrote:
> Hi Thomas, 
> 	Thanks a lot for your suggestion. 
>
> 	Yes, the mainly purpose of this change is to calculate the
> distribution of objects at each age, after rethink of it , I agree
> with you that this change is more like an instrumentation for
> profiling rather than feature for product, and it more or less takes
> effect of the pause time, since most of the change works in g1 pause
> phase. So I think it may not be necessary to have a patch for it. 
> 	And thanks a lot for the info of measuring GC performance, I
> will use it for performance evaluation of my future changes in GC. 

Looking forward to these changes :)

> 	BTW, My company (JD.COM or Beijing Wodong Tianjun Information
> Technology Co. Ltd) has signed the OCA. So I may have more discussion
> or patches related with GC in future. 

  Okay, good to know.

Thanks,
  Thomas




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