On Fri, Oct 26, 2018 at 06:27:38PM +0200, Miroslav Lichvar wrote: > The other patches add support for the new ioctl to the e1000e, igb, > and ixgbe driver. Tests with few different NICs in different machines > (and PCIe slots) show that: > - with an I219 (e1000e) the measured delay improved from 2500 to 1300 ns > and the error in the measured offset, when compared to cross > timestamping, was reduced by a factor of 5 > - with an I210 (igb) the delay improved from 5100 to 1700 ns > - with an I350 (igb) the delay improved from 2300 to 750 ns > - with an X550 (ixgbe) the delay improved from 1950 to 650 ns
Nice work! This is a welcome improvement. Thanks, Richard
