RE: APPLE GUYS: Do you want Shark profiles of XCode when it hangs?
RE: APPLE GUYS: Do you want Shark profiles of XCode when it hangs?
- Subject: RE: APPLE GUYS: Do you want Shark profiles of XCode when it hangs?
- From: "Karan, Cem (Civ, ARL/CISD)" <email@hidden>
- Date: Tue, 30 Nov 2004 10:00:02 -0500
- Thread-topic: APPLE GUYS: Do you want Shark profiles of XCode when it hangs?
The problem is that I'm not often sure what caused the hang; sometimes
I'm doing one thing, sometimes another, etc. Can Sampler be set up to
catch all Apple events? That way you can have a script that Sampler can
run against XCode to see if it can cause the same behaviour twice. We
can edit the script to pare it down to the bare essentials of what is
necessary to cause the problem, and send that in. You'll know what
events were being passed around in the X number of seconds up to the
occurence of the problem, and (assuming that Sampler is modified to talk
to other programs using any/all possible apple events) can even run the
script starting at any point and going to any point. That should give
you a better idea as to what causes the problems.
Thanks,
Cem Karan
> -----Original Message-----
> From: Scott Tooker [mailto:email@hidden]
> Sent: Wednesday, November 24, 2004 1:37 PM
> To: Karan, Cem (Civ, ARL/CISD)
> Cc: j o a r; email@hidden
> Subject: Re: APPLE GUYS: Do you want Shark profiles of XCode
> when it hangs?
>
>
> Actually, including data in the sample of activity up to the
> hang will
> make it harder to figure out (since samples provide a summary view of
> the data). The best thing to do is give a good description of what
> caused the hang and then provide a sample or shark report of the hang
> itself.
>
> Scott
>
> On Nov 24, 2004, at 7:55 AM, Karan, Cem (Civ, ARL/CISD) wrote:
>
>
> >> You're asking for something like a continuous round-robin sampling
> >> thingie, where it continuously samples, but throws away
> samples when
> >> they become a specific number of seconds "old"? It has
> been requested
> >> to the Shark team (I last heard that request on WWDC).
> Don't forget
> >> to file feature requests - think of RadarWeb like way for us to
> >
> >> "vote" for new features.
> >
> > Yes, that is exactly what I was thinking of, but with the
> ability to
> > take a snapshot of the FIFO a user defined number of seconds after
> > some event occurs. That way, if you have a way of triggering the
> > problem, you can have some samples from before and after the event.
> > (I'm assuming that the FIFO is say 30 seconds long, and
> that you can
> > trigger the snapshot anytime after the event (0, 3, 30, 100 seconds
> > after) which will have the prior 30 seconds worth of data)
> >
> > I'll file a radar request ASAP. I just didn't want to file
> a request
> > and then have it pointed out that there was a simple way of
> doing it
> > already (although I didn't see anything like it in either
> the docs or
> > Shark itself)
>
>
>
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