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Re: kern/59411 (deadlock on mbuf pool)



On Sun, May 18, 2025 at 01:57:15PM +0200, Manuel Bouyer wrote:
> On Sat, May 17, 2025 at 05:51:05PM +0200, Manuel Bouyer wrote:
> > On Sat, May 17, 2025 at 12:51:26AM +0000, Taylor R Campbell wrote:
> > > Can you try the attached patch?
> > > 
> > > And, can you record some dtrace output to see where this busy-wait
> > > logic takes effect?
> > > 
> > > dtrace -n '
> > > 	sdt:::pool_grow* { @[probename, stack()] = count() }
> > > 	tick-10s { printa(@) }
> > > '
> > 
> > I attached the dtrace output after running for about an hour.
> 
> here's another trace, now thaty the server has reached its steady state,
> with most of the RAM being used for file and inode caches.

with the file attached

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--

Attachment: dtrace-2.o.xz
Description: application/xz



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