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([2a01:e0a:b41:c160:6a1d:efff:fe52:1959]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-477558b2e59sm19868145e9.1.2025.11.04.05.58.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 04 Nov 2025 05:58:57 -0800 (PST) Message-ID: <00c18ba0-be86-41f6-89a6-62fa3051bf69@6wind.com> Date: Tue, 4 Nov 2025 14:58:57 +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 v3] 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 , Cong Wang , linux-kernel@vger.kernel.org References: <20251103154006.1189707-1-amorenoz@redhat.com> From: Nicolas Dichtel Content-Language: en-US Organization: 6WIND In-Reply-To: <20251103154006.1189707-1-amorenoz@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Le 03/11/2025 à 16:40, 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