On Thu, Oct 1, 2020 at 12:28 PM Hans Petter Selasky <h...@selasky.org> wrote:
> On 2020-10-01 11:13, Michal Vančo via freebsd-net wrote: > > On 01/10/2020 10:52, Hans Petter Selasky wrote: > >> On 2020-10-01 10:24, Michal Vančo wrote: > >>> But why is the actual number of IRQ lines bigger than number of CPU > >>> cores? > >> > >> There are some dedicated IRQ's used for firmware management. > >> > >> Else the driver will use the number of online CPU's by default as the > >> number of rings, if the hardware supports it. > > > > Thanks for clarification. Is there any way to optimize this? In my case > > I have 2 CPU sockets with 8 cores each (SMT is disabled). NIC is > > connected via PCIe to the first CPU socket (numa domain 0). In this > > case, wouldn't it be better if all interrupts were firing only on cores > > of first socket? > > > > Hi, > > You can use "cpuset" to bind those IRQ threads to the right core. > > > You could try this RC script to bind them: https://github.com/ocochard/BSDRP/blob/master/BSDRP/Files/usr/local/etc/rc.d/mlx5en_affinity Regards, Olivier _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
