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

[Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>]

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?

Thanks
Mathias