Re: This is the fourth time I’ve tried to find what led to the regression of outgoing network speed and each time I find the merge commit 8c94ccc7cd691472461448f98e2372c75849406c

[Mikhail Gavrilov <mikhail.v.gavrilov@xxxxxxxxx>]

On Thu, Feb 8, 2024 at 8:42 PM Mathias Nyman
<mathias.nyman@xxxxxxxxxxxxxxx> wrote:
>
> On 8.2.2024 12.32, Mikhail Gavrilov wrote:
> > On Thu, Feb 8, 2024 at 2:23 PM Mathias Nyman
> > <mathias.nyman@xxxxxxxxxxxxxxx> wrote:
> >>
> >> My guess is that CPU0 spends more time with interrupts disabled than other CPUs.
> >> Either because it's handling interrupts from some other hardware, or running
> >> code that disables interrupts (for example kernel code inside spin_lock_irq),
> >> and thus not able to handle network adapter interrupts at the same rate as CPU23
> >>
> >
> > Can this be fixed?
>
> Not sure, I'm not that familiar with this area.
> Maybe running irqbalance could help?

I installed irqbalance daemon and nothing changed.
So who is responsible for irq balancing?

-- 
Best Regards,
Mike Gavrilov.

<<attachment: measuaments-irqbalance.zip>>