On Sun, May 29, 2011 at 11:17 AM, Eric Dumazet <[email protected]>wrote:
> Le dimanche 29 mai 2011 à 11:02 -0600, Dave Taht a écrit : > > > The kernel being used in capetown[1] is 2.6.37.6. - patched forward > > from 2.6.39 for the pfifo ecn bug, the ipv6 ecn bug, and several other > > bufferbloat related things like sfb... > > > > Hmm, maybe you could try "perf top" if available to make sure cpu time > is used in this driver, not in another layer ? > > > > perf-top does not appear to have been ported to openwrt, and as cool as it is, I do not know if the related performance counters exist for mips. it would be darn useful though. All I know at the moment is that sirq is at 99% at the given workload, according busybox's top. http://www.bufferbloat.net/attachments/download/33/routertest.png It is mildly early to point at the driver as being the issue - it could be the switch or something else entirely. Would iptables or qos rules show up in sirq? -- Dave Täht SKYPE: davetaht US Tel: 1-239-829-5608 http://the-edge.blogspot.com
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