On Thu, 7 Aug 2014 22:47:58 -0700 Eric Dumazet <eric.duma...@gmail.com> wrote:
> On Fri, 2014-08-08 at 10:37 +0800, Jisheng Zhang wrote: > > nd and recive 7 packets so far, about 1400bytes. Seems small > > comparing with the CPU1 and CPU2 NET_RX softirq numbers, right? > > > > Any other possible case? > > Multicast loop. Check dev_loopback_xmit() and its callers. > > That's it! This make sense I didn't see any NET_RX on CPU1,2,3 if I disabled mulitcast Thanks very much. -- 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/
