On Sun, 2005-28-08 at 10:13 +0200, Eric Dumazet wrote: > traffic is about 50 Mb/s, 35000 packets sent per second, so this is small > compared to the max specs of this hardware. >
That doesnt look bad at all. It cant be the bus (which is typically where you see a lot of those requeues). I think its something memory subystem related; and it could actually be just more prelavent with NUMA - it would be interesting to see with non-NUMA. > The traffic is coming from a threaded user space application, mostly TCP > packets and some UDP too. > I am wondering why it shows up in all those processors and causing competition for that lock - is this design intent on your part or just the linux scheduler misbehaving? > Sure, but this is a production machine, and restarting it once a week is the > maximum the owner allows me to do. > Ok, not a problem - I think what you are doing is interesting; just curious and when you get the time it would be nice to see. cheers, jamal - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
