> On Jun 19, 2016, at 1:12 PM, Nigel W <[email protected]> wrote: > > On Sat, Jun 18, 2016 at 3:43 PM, Nigel W <[email protected]> wrote: > I am going to try creating a machine to make sure nothing weird happens but > it seems to be working at this point. > > It seems to be working well.
Godo to hear. One thing I'd like to see people who have ixgbe hardware (X550 and anything else) is RSS. A good smoke test is to open up a high-traffic TCP stream between the ixgbe box and another, with the ixgbe box being the receiver. A tool for this is iperf. In another window, watch interrupt count for ixgbe using 'intrstat 1' - you should see a ton of interrupts from ixgbe landing on one particular CPU. Then, open up a second (or third, or fourth) such stream and you should see the interrupts for those land on a different CPU, as show with intrstat. Since receive-side scaling was one of the major areas I had to re-work to accommodate X550, this basic test would be a quick (albeit not exactly scientific) way of making sure it's working as intended. /dale
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