From: Lorenzo Bianconi <lorenzo@kernel•org>
To: Ilias Apalodimas <ilias.apalodimas@linaro•org>
Cc: netdev@vger•kernel.org, lorenzo.bianconi@redhat•com,
davem@davemloft•net, kuba@kernel•org, pabeni@redhat•com,
thomas.petazzoni@bootlin•com, linux@armlinux•org.uk,
jbrouer@redhat•com, jdamato@fastly•com, andrew@lunn•ch
Subject: Re: [PATCH v3 net-next 1/2] net: page_pool: introduce ethtool stats
Date: Mon, 11 Apr 2022 14:28:33 +0200 [thread overview]
Message-ID: <YlQe8QysuyGRtxAx@lore-desk> (raw)
In-Reply-To: <CAC_iWj+wGjx4uAmtkvP=kJsD1uBKsxUXPfy8YS8Abhz=ooLmkg@mail.gmail.com>
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> Hi Lorenzo,
Hi Ilias,
>
> [...]
>
> >
> > for_each_possible_cpu(cpu) {
> > const struct page_pool_recycle_stats *pcpu =
> > @@ -66,6 +87,47 @@ bool page_pool_get_stats(struct page_pool *pool,
> > return true;
> > }
> > EXPORT_SYMBOL(page_pool_get_stats);
> > +
> > +u8 *page_pool_ethtool_stats_get_strings(u8 *data)
> > +{
> > + int i;
> > +
> > + for (i = 0; i < ARRAY_SIZE(pp_stats); i++) {
> > + memcpy(data, pp_stats[i], ETH_GSTRING_LEN);
> > + data += ETH_GSTRING_LEN;
> > + }
> > +
> > + return data;
>
> Is there a point returning data here or can we make this a void?
it is to add the capability to add more strings in the driver code after
running page_pool_ethtool_stats_get_strings.
>
> > +}
> > +EXPORT_SYMBOL(page_pool_ethtool_stats_get_strings);
> > +
> > +int page_pool_ethtool_stats_get_count(void)
> > +{
> > + return ARRAY_SIZE(pp_stats);
> > +}
> > +EXPORT_SYMBOL(page_pool_ethtool_stats_get_count);
> > +
> > +u64 *page_pool_ethtool_stats_get(u64 *data, struct page_pool_stats *stats)
> > +{
> > + int i;
> > +
> > + for (i = 0; i < ARRAY_SIZE(pp_stats); i++) {
> > + *data++ = stats->alloc_stats.fast;
> > + *data++ = stats->alloc_stats.slow;
> > + *data++ = stats->alloc_stats.slow_high_order;
> > + *data++ = stats->alloc_stats.empty;
> > + *data++ = stats->alloc_stats.refill;
> > + *data++ = stats->alloc_stats.waive;
> > + *data++ = stats->recycle_stats.cached;
> > + *data++ = stats->recycle_stats.cache_full;
> > + *data++ = stats->recycle_stats.ring;
> > + *data++ = stats->recycle_stats.ring_full;
> > + *data++ = stats->recycle_stats.released_refcnt;
> > + }
> > +
> > + return data;
>
> Ditto
same here.
Regards,
Lorenzo
>
> > +}
> > +EXPORT_SYMBOL(page_pool_ethtool_stats_get);
> > #else
> > #define alloc_stat_inc(pool, __stat)
> > #define recycle_stat_inc(pool, __stat)
> > --
> > 2.35.1
> >
>
> Thanks
> /Ilias
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next prev parent reply other threads:[~2022-04-11 12:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-09 18:39 [PATCH v3 net-next 0/2] net: mvneta: add support for page_pool_get_stats Lorenzo Bianconi
2022-04-09 18:39 ` [PATCH v3 net-next 1/2] net: page_pool: introduce ethtool stats Lorenzo Bianconi
2022-04-11 11:57 ` Andrew Lunn
2022-04-11 12:27 ` Lorenzo Bianconi
2022-04-11 12:06 ` Ilias Apalodimas
2022-04-11 12:28 ` Lorenzo Bianconi [this message]
2022-04-11 12:34 ` Ilias Apalodimas
2022-04-11 12:46 ` Lorenzo Bianconi
2022-04-11 12:49 ` Andrew Lunn
2022-04-11 12:51 ` Ilias Apalodimas
2022-04-09 18:39 ` [PATCH v3 net-next 2/2] net: mvneta: add support for page_pool_get_stats Lorenzo Bianconi
2022-04-11 11:58 ` Andrew Lunn
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