On Wed, 2012-10-24 at 17:17 +0200, Jiri Benc wrote:
> Hw timestamping code caused performance regression in ixgbe driver
> when the
> timestamping is not enabled. The culprit is IXGBE_READ_REG call in the
> rx
> path which is executed for every received skb. This call is not needed
> when
> the tim
Hw timestamping code caused performance regression in ixgbe driver when the
timestamping is not enabled. The culprit is IXGBE_READ_REG call in the rx
path which is executed for every received skb. This call is not needed when
the timestamping is disabled or for non-ptp packets.
netperf results:
T
