On Fri, Jul 31, 2015 at 11:29 AM, Ran Shalit <ranshalit@xxxxxxxxx> wrote: > On Thu, Jul 30, 2015 at 9:49 PM, Ran Shalit <ranshalit@xxxxxxxxx> wrote: >> Hello, >> >> I hope some will have some idea: >> I am using iperf to check bandwidth and I see that with small tcp >> windows in the test there is always high degredation in performance >> compared to version without cpuidle. >> I've noticed that C3 state (core inactive) is entered several times >> during the test, which might explaing this degredation. With bug tcp >> windows it works well (why ?) >> >> I would like to ask if there is any idea what I can do to overcome >> this issue so that there will be no degredation in performance? >> >> Thank you, >> Ran > > Does anyone have any idea ? Which kernel? Mainline or if ti's which branch? Regards, -- Robert Nelson https://rcn-ee.com/ -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
