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Message-ID: <CACGkMEvd3cg_W64aMMvER03vNqkrxYM6VAMYTj7z3zAkfdaSVQ@mail.gmail.com>
Date: Wed, 10 Apr 2024 14:09:20 +0800
From: Jason Wang <jasowang@...hat.com>
To: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Cc: netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
"Michael S. Tsirkin" <mst@...hat.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>,
Jesper Dangaard Brouer <hawk@...nel.org>, John Fastabend <john.fastabend@...il.com>,
Stanislav Fomichev <sdf@...gle.com>, Amritha Nambiar <amritha.nambiar@...el.com>,
Larysa Zaremba <larysa.zaremba@...el.com>, Sridhar Samudrala <sridhar.samudrala@...el.com>,
Maciej Fijalkowski <maciej.fijalkowski@...el.com>, virtualization@...ts.linux.dev,
bpf@...r.kernel.org, Jiri Pirko <jiri@...dia.com>
Subject: Re: [PATCH net-next v5 7/9] virtio_net: rename stat tx_timeout to timeout
On Mon, Mar 18, 2024 at 7:06 PM Xuan Zhuo <xuanzhuo@...ux.alibaba.com> wrote:
>
> Now, we have this:
>
> tx_queue_0_tx_timeouts
>
> This is used to record the tx schedule timeout.
> But this has two "tx". I think the below is enough.
>
> tx_queue_0_timeouts
>
> So I rename this field.
>
> Signed-off-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
> Reviewed-by: Jiri Pirko <jiri@...dia.com>
> ---
> drivers/net/virtio_net.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index 12dc1d0d8d2b..a24cfde30d08 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -87,7 +87,7 @@ struct virtnet_sq_stats {
> u64_stats_t xdp_tx;
> u64_stats_t xdp_tx_drops;
> u64_stats_t kicks;
> - u64_stats_t tx_timeouts;
> + u64_stats_t timeouts;
> };
>
> struct virtnet_rq_stats {
> @@ -111,7 +111,7 @@ static const struct virtnet_stat_desc virtnet_sq_stats_desc[] = {
> VIRTNET_SQ_STAT("xdp_tx", xdp_tx),
> VIRTNET_SQ_STAT("xdp_tx_drops", xdp_tx_drops),
> VIRTNET_SQ_STAT("kicks", kicks),
> - VIRTNET_SQ_STAT("tx_timeouts", tx_timeouts),
This is noticeable by userspace, not sure if it's too late.
Thanks
> + VIRTNET_SQ_STAT("timeouts", timeouts),
> };
>
> static const struct virtnet_stat_desc virtnet_rq_stats_desc[] = {
> @@ -2780,7 +2780,7 @@ static void virtnet_stats(struct net_device *dev,
> start = u64_stats_fetch_begin(&sq->stats.syncp);
> tpackets = u64_stats_read(&sq->stats.packets);
> tbytes = u64_stats_read(&sq->stats.bytes);
> - terrors = u64_stats_read(&sq->stats.tx_timeouts);
> + terrors = u64_stats_read(&sq->stats.timeouts);
> } while (u64_stats_fetch_retry(&sq->stats.syncp, start));
>
> do {
> @@ -4568,7 +4568,7 @@ static void virtnet_tx_timeout(struct net_device *dev, unsigned int txqueue)
> struct netdev_queue *txq = netdev_get_tx_queue(dev, txqueue);
>
> u64_stats_update_begin(&sq->stats.syncp);
> - u64_stats_inc(&sq->stats.tx_timeouts);
> + u64_stats_inc(&sq->stats.timeouts);
> u64_stats_update_end(&sq->stats.syncp);
>
> netdev_err(dev, "TX timeout on queue: %u, sq: %s, vq: 0x%x, name: %s, %u usecs ago\n",
> --
> 2.32.0.3.g01195cf9f
>
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