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

Tao Mao tao.mao at oracle.com
Thu Jan 24 17:29:41 PST 2013


Yumin,

FYI, it's author -> committer -> reviewer -> lead.

Tao

On 1/24/13 12:22 PM, Yumin Qi wrote:
> Thanks. I saw you are commit-er, does that mean an automatic reviewer? 
> I am confused with the system.
>
> Yumin
>
> On 1/24/2013 10:11 AM, Krystal Mo wrote:
>> Looks good to me. (Not an OpenJDK Reviewer yet)
>>
>> Thanks,
>> Kris
>>
>> On 01/25/2013 01:11 AM, Yumin Qi wrote:
>>> Based on feedback, revision in same location.
>>>
>>> Comments:
>>>
>>> 8005278: Serviceability Agent: jmap -heap and jstack -m fail
>>> Summary: BinaryTreeDictionary is typedef'ed as 
>>> AFLBinaryTreeDictionary  in vmStructs and in SA we still use old 
>>> name for that. FreeList now is a template based class which is not 
>>> reflect in SA type library. When SA does calculation of heap for 
>>> CMS, the former will
>>> cause failure to retrieve BinaryTreeDictionary sine the rename. The 
>>> later will fail wherever it is used in SA.
>>> Reviewed-by: dholmes, kmo, sla
>>> Contributed-by: yunda.mly at taobao.com, yumin.qi at oracle.com
>>>
>>> Thanks
>>> Yumin
>>>
>>> On 1/23/2013 10:14 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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