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([2a01:e0a:b41:c160:6a1d:efff:fe52:1959]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429952cbc55sm25933421f8f.10.2025.10.29.02.10.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 29 Oct 2025 02:10:10 -0700 (PDT) Message-ID: <3ccaca17-28e8-42c5-ace9-0798713a6dfc@6wind.com> Date: Wed, 29 Oct 2025 10:10:09 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Reply-To: nicolas.dichtel@6wind.com Subject: Re: [PATCH net-next v2] rtnetlink: honor RTEXT_FILTER_SKIP_STATS in IFLA_STATS To: Adrian Moreno , netdev@vger.kernel.org Cc: kuba@kernel.org, toke@redhat.com, "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Kuniyuki Iwashima , Stanislav Fomichev , Xiao Liang , linux-kernel@vger.kernel.org, Cong Wang References: <20251029080154.3794720-1-amorenoz@redhat.com> From: Nicolas Dichtel Content-Language: en-US Organization: 6WIND In-Reply-To: <20251029080154.3794720-1-amorenoz@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Le 29/10/2025 à 09:01, Adrian Moreno a écrit : > Gathering interface statistics can be a relatively expensive operation > on certain systems as it requires iterating over all the cpus. > > RTEXT_FILTER_SKIP_STATS was first introduced [1] to skip AF_INET6 > statistics from interface dumps and it was then extended [2] to > also exclude IFLA_VF_INFO. > > The semantics of the flag does not seem to be limited to AF_INET > or VF statistics and having a way to query the interface status > (e.g: carrier, address) without retrieving its statistics seems > reasonable. So this patch extends the use RTEXT_FILTER_SKIP_STATS > to also affect IFLA_STATS. > > [1] https://lore.kernel.org/all/20150911204848.GC9687@oracle.com/ > [2] https://lore.kernel.org/all/20230611105108.122586-1-gal@nvidia.com/ > > Signed-off-by: Adrian Moreno Reviewed-by: Nicolas Dichtel