On Wed, Nov 22, 2017 at 4:37 AM, Pete Heist <[email protected]> wrote: > > On Nov 22, 2017, at 11:06 AM, Pete Heist <[email protected]> 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?
Divides do hurt, particularly if you can't do them out of order. But that seems like a lot. > What’s a better tool for timing > kernel module functions? Use "perf" https://en.wikipedia.org/wiki/Perf_(Linux) > > Would really need to test if host fairness still works, otherwise this is > irrelevant… > > > _______________________________________________ > Cake mailing list > [email protected] > https://lists.bufferbloat.net/listinfo/cake > -- Dave Täht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619 _______________________________________________ Cake mailing list [email protected] https://lists.bufferbloat.net/listinfo/cake
