netdev - Re: [PATCH bpf-next 0/8] Simplify xdp_do_redirect_map()/xdp_do_flush

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Date:   Wed, 18 Dec 2019 12:39:53 +0100
From:   Björn Töpel <bjorn.topel@...il.com>
To:     Jesper Dangaard Brouer <brouer@...hat.com>
Cc:     Netdev <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        bpf <bpf@...r.kernel.org>, David Miller <davem@...emloft.net>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        "Karlsson, Magnus" <magnus.karlsson@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>
Subject: Re: [PATCH bpf-next 0/8] Simplify xdp_do_redirect_map()/xdp_do_flush_map()
 and XDP maps

On Wed, 18 Dec 2019 at 12:11, Jesper Dangaard Brouer <brouer@...hat.com> wrote:
>
> On Wed, 18 Dec 2019 11:53:52 +0100
> Björn Töpel <bjorn.topel@...il.com> wrote:
>
> >   $ sudo ./xdp_redirect_cpu --dev enp134s0f0 --cpu 22 xdp_cpu_map0
> >
> >   Running XDP/eBPF prog_name:xdp_cpu_map5_lb_hash_ip_pairs
> >   XDP-cpumap      CPU:to  pps            drop-pps    extra-info
> >   XDP-RX          20      7723038        0           0
> >   XDP-RX          total   7723038        0
> >   cpumap_kthread  total   0              0           0
> >   redirect_err    total   0              0
> >   xdp_exception   total   0              0
>
> Hmm... I'm missing some counters on the kthread side.
>

Oh? Any ideas why? I just ran the upstream sample straight off.