JDK-8148659: Add all option to JSnap

Yasumasa Suenaga yasuenag at gmail.com
Tue Mar 15 14:31:39 UTC 2016


Hi all,

I updated webrev to adapt to current repos. Could you review it?

    http://cr.openjdk.java.net/~ysuenaga/JDK-8148659/webrev.01/


Thanks,

Yasumasa


On 2016/03/03 23:46, Yasumasa Suenaga wrote:
> Hi Dmitry,
> 
>> Overall direction is to support jhsdb as the only entry point for SA and
>> all coredump related staff.
> 
> I'm working on another issue (JDK-8151181) for it.
>    http://mail.openjdk.java.net/pipermail/serviceability-dev/2016-March/019007.html
> 
> After that, I will work for this issue (JDK-8148659) and adding all option
> to JSnap.
>    http://mail.openjdk.java.net/pipermail/serviceability-dev/2016-March/018962.html
> 
> 
> Thanks,
> 
> Yasumasa
> 
> 
> On 2016/03/03 22:55, Dmitry Samersoff wrote:
>> Yasumasa,
>>
>> Overall direction is to support jhsdb as the only entry point for SA and
>> all coredump related staff.
>>
>> Could you move JSnap "into jhsdb".
>>
>> And this change requires CCC approval (I'll file it for you)
>>
>> -Dmitry
>>
>> On 2016-01-30 18:48, Yasumasa Suenaga wrote:
>>> I want to add -a (all) option to JSnap because JSnap is very useful to analyze core image.
>>>
>>> Currently, JSnap can show PerfDataEntry which namespace is java.* or com.sun.* .
>>> We can use jcmd with PerfCounter.print when we want to attach live process, however,
>>> as JDK-6224040 shows, we have to use JSnap.
>>>
>>> In terms of core image analysis, -a option is very useful for troubleshooting.
>>>
>>> I uploaded a webrev for this enhancement.
>>> Could you review it?
>>>
>>>     http://cr.openjdk.java.net/~ysuenaga/JDK-8148659/webrev.00/
>>>
>>> I'm jdk9 committer, however I cannot access JPRT.
>>> So I need a sponsor.
>>>
>>>
>>> Thanks,
>>>
>>> Yasumasa
>>>
>>
>>


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