RFR(XXS) 8187629: NMT: Memory miscounting in compiler (C2)

[Zhengyu Gu]

Thanks for the quick review, Andrew.

-Zhengyu

On 09/19/2017 04:09 AM, Andrew Dinn wrote:
> On 18/09/17 20:17, Zhengyu Gu wrote:
>> Compiler (C2) uses ResourceArea instead of Arena in some circumstances,
>> so it can take advantage of ResourceMark. However, ResourceArea is
>> tagged as mtThread, that results those memory is miscounted by NMT
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8187629
>> Webrev: http://cr.openjdk.java.net/~zgu/8187629/webrev.00/
>>
>>
>> Test:
>>
>>    hotspot_tier1 (fastdebug and release) on Linux x64
> Changes look good to me.
> 
> regards,
> 
> 
> Andrew Dinn
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