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Date: Sat, 21 Aug 2010 00:33:43 -0700 (PDT)
From: Doug Barton <dougb@FreeBSD.org>
To: Andriy Gapon <avg@icyb.net.ua>
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Cc: freebsd-current@FreeBSD.org
Subject: Re: Latest intr problems
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On Sat, 21 Aug 2010, Andriy Gapon wrote:

>> I think that for such amount of data it is better to use links (perhaps a
>> service like pastebin) rather than inlining it.

No problem:
http://people.freebsd.org/~dougb/intr-out.txt

>> BTW, it seems that there are no followups/comments on results of the old dtrace
>> script, so I am not sure if there is any point in continuing to post it.
>> It is useless personally for me.

Ok.

>> Back to the data.
>> Could you please report results of
>> procstat -k 10
>> procstat -k 11
>
> Could you please remind what the "old dtrace script" is? :-)

http://people.freebsd.org/~dougb/dtrace-script.txt

> Output of sysctl dev.cpu (normal and when the problem hits)
>
> Another dtrace script:
> profile:::profile-1001
> {
>        @stacks[curthread->td_oncpu, pid, tid, stack()] = count();
> }
> END
> {
>        trunc(@stacks, 20);
>        printa(@stacks);
> }

All of the above is in that intr-out.txt file. The last 2 (sysctl and 
the 2nd dtrace script) are actually while the intr cpu% was going down 
(i.e., the system was recovering) but I'll run it again next time if you 
like.


Thanks!

Doug

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