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? Can I help you here with anything else? -- Best Regards, Mike Gavrilov.