Re: help on debugging individual extensions

["Jasper St. Pierre" <jstpierre mecheye net>]

On Thu, Apr 26, 2012 at 2:55 AM, Sven Nielsen <post svennielsen de> wrote:
>>>>>
>>>>> I will gladly run gnome shell in debug mode and watch memory consumption
>>>>> of extensions, individual threads, or whatever way there is to
>>>>> differetiate between shell and extensions, if this is at all possible?
>>>>
>>>> There is no differentiation at runtime. Any extension can do whatever
>>>> it wants to the Shell.
>>>>
>>>>> But, I cannot spend weeks disabling and re-enabling individual
>>>>> extensions and see what memory usage comes up with. I am not in a
>>>>> testlab, I am using my computer for work.
>>>>
>>>> If you have five extensions or so, it shouldn't take too long.
>>>>
>>>
>>> Well, I have 15. Giving that I need 48 hrs continous operation for
>>> reliable results, that will make it 30 days. no that is not long for a
>>> user needing actually to do other stuff..
>>>
>>> And if the next thing you tell me is not to use so many extensions, I
>>> will gladly switch to KDE or even better re-install Windows.
>>>
>>> Please, you are not helping, instead, you are asking me to do some
>>> time-consuming thing that I am not even an expert in, although I was the
>>> one offering to help out, that is counter-productive..
>>
>> I don't know how I can magically help, here. There aren't any clear
>> lines between "extension" and "shell", nor on what extension owns
>> what. Can you list all the extensions you have installed, and let
>> other people test to see if they can reproduce the same conditions?
>>
>
> hm, if that is the only way to do it, I can list out my extensions.
>
> But, that was not my intention in asking here.
>
> See, for me to get into shell debugging on my own will require at least
> several days which I cannot afford to spent on a hobby.
>
> So, I was hoping some dev here might be able to give me some definite
> hint, like:
>
> enable these debug packages, start debugging with these flags, and then
> watch this and that log for, let's say, for instance, memory consumption
> of variables/classes etc. of individual objects/classes in the shell
> therads. Something in that direction, which is understandable for a tech
> user like me, you see?

There is some experimental SystemTap support, but it's nowhere near ready.
Something you can do: paste the numbers from the memory tab in the
looking glass. Hit the "full GC" button as well. What do you see?

> That way I could easily test if any new extension I install is leaking
> or not and then give nice and reliable feedback to its developer, e.g.
> through the extensions website..
>
> If that is not possible, it is not possible. Then, I will have to rely
> on manually checking general memory usage and on devs fixing there
> extensions eventually, ..that is okay, but then, I myself cannot offer
> much help that way.
>
> Regards
> Sven
>
>
>
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-- 
  Jasper