Re: kern/59411 (deadlock on mbuf pool)

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

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.

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