From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Tom Herbert <tom@herbertland.com>,
Tariq Toukan <ttoukan.linux@gmail.com>,
Tariq Toukan <tariqt@mellanox.com>,
"David S. Miller" <davem@davemloft.net>,
Linux Kernel Network Developers <netdev@vger.kernel.org>,
Eran Ben Elisha <eranbe@mellanox.com>,
Saeed Mahameed <saeedm@mellanox.com>,
Rana Shahout <ranas@mellanox.com>,
brouer@redhat.com
Subject: Re: [PATCH net-next 7/8] net/mlx5e: XDP TX forwarding support
Date: Tue, 20 Sep 2016 22:47:47 +0200 [thread overview]
Message-ID: <20160920224747.23b7a33b@redhat.com> (raw)
In-Reply-To: <20160920205939.6a4522df@redhat.com>
On Tue, 20 Sep 2016 20:59:39 +0200 Jesper Dangaard Brouer <brouer@redhat.com> wrote:
> On Tue, 20 Sep 2016 10:39:20 -0700 Eric Dumazet <eric.dumazet@gmail.com> wrote:
>
[...]
>
> > Many existing supervision infrastructures collect device snmp
> > counters, and run as unprivileged programs.
>
> A supervision infrastructures is a valid use-case. It again indicate
> that such XDP stats need to structured, not just a random driver
> specific ethtool counter, to make it easy for such collection daemons.
>
>
> > tracepoints might not fit the need here, compared to a mere
> > tx_ring->tx_drops++
>
> I do see your point. I really liked the tracepoint idea, but now I'm
> uncertain again...
I've document the need for Troubleshooting and Monitoring, so we don't
forget about it. See:
Commit:
https://github.com/netoptimizer/prototype-kernel/commit/3925249089ae4
Online doc:
https://prototype-kernel.readthedocs.io/en/latest/networking/XDP/implementation/userspace_api.html#troubleshooting-and-monitoring
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
Author of http://www.iptv-analyzer.org
LinkedIn: http://www.linkedin.com/in/brouer
next prev parent reply other threads:[~2016-09-20 20:47 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-19 13:58 [PATCH net-next 0/8] mlx5e XDP support Tariq Toukan
2016-09-19 13:58 ` [PATCH net-next 1/8] net/mlx5e: Build RX SKB on demand Tariq Toukan
2016-09-19 13:58 ` [PATCH net-next 2/8] net/mlx5e: Union RQ RX info per RQ type Tariq Toukan
2016-09-19 13:58 ` [PATCH net-next 3/8] net/mlx5e: Slightly reduce hardware LRO size Tariq Toukan
2016-09-19 13:58 ` [PATCH net-next 4/8] net/mlx5e: Dynamic RQ type infrastructure Tariq Toukan
2016-09-19 13:58 ` [PATCH net-next 5/8] net/mlx5e: XDP fast RX drop bpf programs support Tariq Toukan
2016-09-19 13:58 ` [PATCH net-next 6/8] net/mlx5e: Have a clear separation between different SQ types Tariq Toukan
2016-09-19 13:58 ` [PATCH net-next 7/8] net/mlx5e: XDP TX forwarding support Tariq Toukan
2016-09-20 8:29 ` Jesper Dangaard Brouer
2016-09-20 11:33 ` Jesper Dangaard Brouer
2016-09-20 12:53 ` Tariq Toukan
2016-09-20 15:40 ` Alexei Starovoitov
2016-09-20 15:51 ` Tom Herbert
2016-09-20 15:58 ` Eric Dumazet
2016-09-20 16:06 ` Jesper Dangaard Brouer
2016-09-20 16:13 ` Eric Dumazet
2016-09-20 16:27 ` Jesper Dangaard Brouer
2016-09-20 16:45 ` Alexei Starovoitov
2016-09-20 16:58 ` Thomas Graf
2016-09-20 17:39 ` Eric Dumazet
2016-09-20 18:59 ` Jesper Dangaard Brouer
2016-09-20 19:21 ` Tom Herbert
2016-09-20 20:47 ` Jesper Dangaard Brouer [this message]
2016-09-20 21:04 ` Jesper Dangaard Brouer
2016-09-20 16:00 ` Alexei Starovoitov
2016-09-20 15:57 ` Jesper Dangaard Brouer
2016-09-21 7:57 ` Tariq Toukan
2016-09-21 8:16 ` Jesper Dangaard Brouer
2016-09-19 13:58 ` [PATCH net-next 8/8] net/mlx5e: XDP TX xmit more Tariq Toukan
2016-09-20 7:46 ` Jesper Dangaard Brouer
2016-09-20 8:19 ` Tariq Toukan
2016-09-20 9:26 ` Jesper Dangaard Brouer
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