RFR: 8005278: Serviceability Agent: jmap -heap and jstack -m fail

Krystal Mo krystal.mo at oracle.com
Thu Jan 24 06:33:18 UTC 2013


The FIELDINFO_TAG_MASK part in InstanceKlass is already fixed in 
JDK-8006403. It should be sync'd to the dev repos soon (or has it already?)
I fell in that trap of duplicating the fix as JDK-8006641 already...

- Kris

On 01/24/2013 02:14 PM, Yumin Qi wrote:
> Hi,
>   Can I have your comments on fix for
>   8005278: Serviceability Agent: jmap -heap and jstack -m fail
> http://cr.openjdk.java.net/~minqi/8005278/
>   Problems: 1) In JVM, BinaryTreeDictionary is typedef'ed as 
> AFLBinaryTreeDictionary and this name carried to type library for SA. 
> In SA we still use olde name for that; 2) FreeList now is template 
> based which is not reflected in SA;  3) There is a misuse of 
> FIELFINFO_TAG_MASK(which is not in SA code), in SA code 
> FIELDINFO_TAG_SIZE was wrongly used as FIELDINFO_TAG_MASK and lead to 
> not able to find correct field info.
>   Thanks
>   Yumin

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