On Nov 22, 2017, at 11:06 AM, Pete Heist <peteheist@gmail.com> wrote:

I’ve not done any testing on what the real impact of this change would be, or even if it breaks something.

Ok, at least a little crude testing with sar:

https://docs.google.com/spreadsheets/d/1LKoq5NaswuHm9H1atXoZA1AhNDg6L4UYS3Pn5lCsb1I/edit#gid=0

~10% less cake CPU at GigE in this case? What’s a better tool for timing kernel module functions?

Would really need to test if host fairness still works, otherwise this is irrelevant…