DragonflyBSD 6.2.1 very slow on Thinkpad T460
karu.pruun
karu.pruun at gmail.com
Tue Jan 18 23:23:13 PST 2022
> > You might have an interrupt storm! Run `systat -v` and look at the right
> > side for "Interrupts". The numbers should not be too high.
> >
>
> % systat -v
> Interrupts
> r p d s Csw Trp Sys Int Sof Flt cow 12034 total
> 1 21 12K 1 2063 13K 129 1 984.45M wire 12032 acpi0
> 947.85M act psm0
> 23.0%Sys 1.7%Intr 0.0%User 0.0%Nice 75.3%Idle 456.42M inact xhci0
> | | | | | | | | | | 926.96M cache vgapci0
> ===========+ 4.599G free atkbd0
> daefr ahci0
> Path-lookups hits % Components Execs prcfr swi_mp_tas
> 10 10 100 2.80 react 2 iwm0
> pdwake swi_cambio
>
> You might be right, 12000 seems a bit too much.
I once had an interrupt storm on an i7 machine---same phenomena you're
describing, sluggish behavior. Updated BIOS and that solved it.
Best
Peeter
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