Re: [PATCH RFC net-next] netif_receive_skb performance

2015-04-29 Thread Alexei Starovoitov
On 4/28/15 10:23 PM, Eric Dumazet wrote: On Tue, 2015-04-28 at 19:11 -0700, Alexei Starovoitov wrote: Hi, there were many requests for performance numbers in the past, but not everyone has access to 10/40G nics and we need a common way to talk about RX path performance without overhead of

[PATCH RFC net-next] netif_receive_skb performance

2015-04-28 Thread Alexei Starovoitov
Hi, there were many requests for performance numbers in the past, but not everyone has access to 10/40G nics and we need a common way to talk about RX path performance without overhead of driver RX. That's especially important when making changes to netif_receive_skb. One would think that using

Re: [PATCH RFC net-next] netif_receive_skb performance

2015-04-28 Thread Eric Dumazet
On Tue, 2015-04-28 at 19:11 -0700, Alexei Starovoitov wrote: Hi, there were many requests for performance numbers in the past, but not everyone has access to 10/40G nics and we need a common way to talk about RX path performance without overhead of driver RX. That's especially important