On 2013-08-15 1:36 PM, Rafał Miłecki wrote: > 2013/8/11 Rafał Miłecki <zaj...@gmail.com>: >> It makes more sense to allocate new (empty) skb and pass it to the >> hardware. That way we avoid copying whole packet into new skb which >> should result in better performance. > > I did some testing of this patch using "perf" tool and iperf -s > running on the OpenWrt machine (with bgmac supported hardware). > > So you can see that __copy_user_common usage has really decreased with > this patch! > > Unfortunately it didn't result in better performance... no idea why :( Running iperf on the router is not useful as an indicator of routing performance. Please focus on tests where you only push traffic through the router, not directly to it.
- Felix _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
