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[2a01:cb00:f48:3e00:55ae:3800:781b:5cbc]) by smtp.gmail.com with ESMTPSA id h16-20020a05600c351000b003dc521f336esm11274073wmq.14.2023.02.06.03.46.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Feb 2023 03:46:14 -0800 (PST) Mime-Version: 1.0 Date: Mon, 06 Feb 2023 12:46:14 +0100 Message-Id: <CQBGE6PVPAD2.2E5D9E869WWJU@ringo> Cc: =?utf-8?q?Morten_Br=C3=B8rup?= <mb@smartsharesystems.com>, "Kevin Laatz" <kevin.laatz@intel.com> Subject: Re: [PATCH v8 1/5] eal: add lcore info in telemetry From: "Robin Jarry" <rjarry@redhat.com> To: "fengchengwen" <fengchengwen@huawei.com>, <dev@dpdk.org> X-Mailer: aerc/0.14.0-60-gc1f7df1a0e5f-dirty References: <20221123102612.1688865-1-rjarry@redhat.com> <20230202134329.539625-1-rjarry@redhat.com> <20230202134329.539625-2-rjarry@redhat.com> <72396994-5403-99f9-20a8-9c785dfb2b89@huawei.com> <CQBC232ECKAO.3KAGAZLN8GH59@ringo> <a359d084-7bb6-88a3-b727-5f439120c344@huawei.com> In-Reply-To: <a359d084-7bb6-88a3-b727-5f439120c344@huawei.com> X-Mimecast-Spam-Score: 1 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8; format=Flowed X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org fengchengwen, Feb 06, 2023 at 12:22: > Just invoke callback on one specific lcore. > > In this patch, the lcore_telemetry_info_cb() only valid on specific=20 > lcore, but it was implements by rte_lcore_iterate which will iterate=20 > all lcores. Ok I see. I don't think this would be worth the effort. There will never=20 be more than a few hundred cores. The performance gain would be=20 negligible. What do you think?