On 10/25/2012 3:48 PM, Ben Hutchings wrote: > On Thu, 2012-10-25 at 20:36 +0100, Ben Hutchings wrote: > [...] >> There's a simple way to test this - configure the 'attacker' host and >> interface like this: >> >> # ip link set $IFACE mtu 128 >> # sysctl net.ipv4.route.min_adv_mss=88 >> >> and then use something like netperf to generate a high bandwidth stream >> of TCP traffic toward it from the tilegx interface. > Also you would need to run some other traffic in parallel (multiple > streams to the 'attacker' and some more normal streams) to ensure there > is real contention.
Thanks! I've filed a bugzilla within Tilera to come back and revisit this - I think it's not a short-term problem so we'll find some time to look at it in the future. Or, someone reading this could try it themselves and submit the patch :-) -- Chris Metcalf, Tilera Corp. http://www.tilera.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/