Re: kern/59411 (deadlock on mbuf pool)

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

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 get
# dtrace -n '
        sdt:::pool_grow* { @[probename, stack()] = count() }
        tick-10s { printa(@) }
'
> > > dtrace: invalid probe specifier 
        sdt:::pool_grow* { @[probename, stack()] = count() }
        tick-10s { printa(@) }
: probe description :::tick-10s does not match any probes


I removed the second line; let see if it prints something

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