[Bug 190785] [em] cpu affinity not working in FreeBSD 10-STABLE

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Jun 24 02:24:45 UTC 2014


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=190785

--- Comment #4 from gondim at bsdinfo.com.br ---
(In reply to John Baldwin from comment #3)
> Can you provide more details?  The em/igb drivers create additional
> taskqueue threads for each queue, but 'cpuset -x' is only going to pin the
> interrupt thread associated with that IRQ, not other threads the em driver
> may create.

Hi John,

I thought the driver em(4) could do cpu affinity but by the way I was wrong.
As I understand it, only drivers as the igb(4), ixgbe(4) having msi-x that
would work with the cpu affinity. Would that be?

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