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From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Joe Damato <jdamato@fastly.com>,
	Jesper Dangaard Brouer <jbrouer@redhat.com>
Cc: netdev@vger.kernel.org, kuba@kernel.org,
	ilias.apalodimas@linaro.org, davem@davemloft.net,
	hawk@kernel.org, saeed@kernel.org, ttoukan.linux@gmail.com,
	brouer@redhat.com
Subject: Re: [net-next v7 4/4] mlx5: add support for page_pool_get_stats
Date: Mon, 28 Feb 2022 10:08:46 +0100	[thread overview]
Message-ID: <87h78jxsrl.fsf@toke.dk> (raw)
In-Reply-To: <CALALjgxS0q+Vbg8rgrqTZ+CSV=9tXOTdxE7S4VGGnvsbicLE3A@mail.gmail.com>

Joe Damato <jdamato@fastly.com> writes:

> On Sun, Feb 27, 2022 at 11:28 PM Jesper Dangaard Brouer
> <jbrouer@redhat.com> wrote:
>>
>>
>>
>> On 25/02/2022 18.41, Joe Damato wrote:
>> > +#ifdef CONFIG_PAGE_POOL_STATS
>> > +     { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_fast) },
>> > +     { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_slow) },
>> > +     { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_slow_high_order) },
>> > +     { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_empty) },
>> > +     { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_refill) },
>> > +     { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_waive) },
>> > +     { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_rec_cached) },
>> > +     { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_rec_cache_full) },
>> > +     { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_rec_ring) },
>> > +     { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_rec_ring_full) },
>> > +     { MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_rec_released_ref) },
>> > +#endif
>>
>> The naming: "page_pool_rec_xxx".
>> What does the "rec" stand for?
>
> rec stands for recycle.
>
> ethtool strings have a limited size (ETH_GSTRING_LEN - 32 bytes) and
> the full word "recycle" didn't fit for some of the stats once the
> queue number is prepended elsewhere in the driver code.
>
>> Users of ethtool -S stats... will they know "rec" is "recycle" ?
>
> I am open to other names or adding documentation to the driver docs to
> explain the meaning.

You could shorten the 'page_pool_' prefix to 'ppool_' or even 'pp_' and
gain some characters that way?

-Toke


  reply	other threads:[~2022-02-28  9:17 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-25 17:41 [net-next v7 0/4] page_pool: Add stats counters Joe Damato
2022-02-25 17:41 ` [net-next v7 1/4] page_pool: Add allocation stats Joe Damato
2022-02-28  7:07   ` Jesper Dangaard Brouer
2022-02-28  7:28     ` Ilias Apalodimas
2022-02-25 17:41 ` [net-next v7 2/4] page_pool: Add recycle stats Joe Damato
2022-02-28  7:20   ` Jesper Dangaard Brouer
2022-02-28  7:28     ` Ilias Apalodimas
2022-02-25 17:41 ` [net-next v7 3/4] page_pool: Add function to batch and return stats Joe Damato
2022-02-28  7:22   ` Jesper Dangaard Brouer
2022-02-28  7:29     ` Ilias Apalodimas
2022-02-25 17:41 ` [net-next v7 4/4] mlx5: add support for page_pool_get_stats Joe Damato
2022-02-28  7:28   ` Jesper Dangaard Brouer
2022-02-28  8:38     ` Joe Damato
2022-02-28  9:08       ` Toke Høiland-Jørgensen [this message]
2022-03-01  0:51         ` Joe Damato
2022-03-01 11:23           ` Toke Høiland-Jørgensen
2022-03-01 17:00             ` Joe Damato

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