AsyncGetCallTrace java profiling

[serguei.spitsyn at oracle.com]

On 8/26/13 10:12 AM, serguei.spitsyn at oracle.com wrote:
> Alexandre,
>
> Thank you for the information and details.
> I've added your it to the JBS version of 8022893.

The details from this link and the link itself were already in that bug 
report 8022893:
https://code.google.com/p/lightweight-java-profiler/issues/detail?id=1


Thanks,
Serguei

>
> Thanks,
> Serguei
>
> On 8/26/13 4:30 AM, Staffan Larsen wrote:
>> I think this is your bug report: 
>> http://bugs.sun.com/view_bug.do?bug_id=8022893
>>
>> I have updated Affected Versions to include 8 as well. The change 
>> will take a day or so to propagate.
>>
>> /Staffan
>>
>> On 26 aug 2013, at 12:08, Alexandre De Champeaux <adc at quartetfs.com 
>> <mailto:adc at quartetfs.com>> wrote:
>>
>>> Hi,
>>>
>>> I was able to reproduce the bug running java 8 (build b103, and so 
>>> hotspot build 25.0-b45). So I would like to update the bug report to 
>>> java 8. I don't have access to it though. Should I post a new one?
>>>
>>>
>>> On Tue, Aug 13, 2013 at 2:13 PM, Alexandre De Champeaux 
>>> <adc at quartetfs.com <mailto:adc at quartetfs.com>> wrote:
>>>
>>>     Ok thanks. I just posted a bug report to bugs.sun.com
>>>     <http://bugs.sun.com/> describing the issue (id 9005974).
>>>
>>>
>>>     On Tue, Aug 13, 2013 at 1:00 PM, Alan Bateman
>>>     <Alan.Bateman at oracle.com <mailto:Alan.Bateman at oracle.com>> wrote:
>>>
>>>         On 13/08/2013 09:11, Alexandre De Champeaux wrote:
>>>>         Hi all,
>>>>
>>>>         I posted this message a few days ago in the discuss mailing
>>>>         list. This one seems way more accurate though, so i am
>>>>         posting it again.
>>>>
>>>>         Following his blog post
>>>>         (http://jeremymanson.blogspot.fr/2013/07/lightweight-asynchronous-sampling.html),
>>>>         I have been trying to use the code Jeremy Manson proposes
>>>>         to use the AsyncGetCallTrace function.
>>>>         Although it works smoothly on small examples, I see some
>>>>         impossible stacktraces on real world projects, with complex
>>>>         interface structures. I have posted a bug report that
>>>>         reproduces it and gives more details here :
>>>>         https://code.google.com/p/lightweight-java-profiler/issues/detail?id=1
>>>>
>>>>         I am trying to estimate if those stacktraces are sparse
>>>>         (seems to be so), and so if a profiler that uses this
>>>>         feature will be reliable.
>>>>
>>>>         Any known bugs / limitations of the AsyncGetCallTrace function?
>>>>         This function being undocumented, in what extent does it
>>>>         stays up to date?
>>>>
>>>>         Thanks for your answers
>>>>
>>>>         Alex
>>>         When you say you've posted a bug report, does this mean to
>>>         bugs.sun.com <http://bugs.sun.com/>? While not technically
>>>         supported, it is known to be used by some products so if
>>>         there is an issue (and I remember this had a long bug tail
>>>         originally) then it would be good to track it.
>>>
>>>         -Alan.
>>>
>>>
>>>
>>
>

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