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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-219dc9f7356sm92450225ad.193.2024.12.24.09.19.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Dec 2024 09:19:05 -0800 (PST) Date: Tue, 24 Dec 2024 09:19:02 -0800 From: Stephen Hemminger <stephen@networkplumber.org> To: Shani Peretz <shperetz@nvidia.com> Cc: "dev@dpdk.org" <dev@dpdk.org>, Aman Singh <aman.deep.singh@intel.com>, Dariusz Sosnowski <dsosnowski@nvidia.com>, Slava Ovsiienko <viacheslavo@nvidia.com>, Bing Zhao <bingz@nvidia.com>, Ori Kam <orika@nvidia.com>, Suanming Mou <suanmingm@nvidia.com>, Matan Azrad <matan@nvidia.com>, "NBU-Contact-Thomas Monjalon (EXTERNAL)" <thomas@monjalon.net>, Ferruh Yigit <ferruh.yigit@amd.com>, Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>, Anatoly Burakov <anatoly.burakov@intel.com> Subject: Re: [RFC PATCH] ethdev: add new API for enable/disable xstat counters by ID Message-ID: <20241224091902.6c73340a@fedora> In-Reply-To: <SA1PR12MB94917E63FE910BB6F5DC4F37BF022@SA1PR12MB9491.namprd12.prod.outlook.com> References: <20241222153819.62519-1-shperetz@nvidia.com> <20241222084600.7d020991@hermes.local> <SA1PR12MB94917E63FE910BB6F5DC4F37BF022@SA1PR12MB9491.namprd12.prod.outlook.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.43; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 On Mon, 23 Dec 2024 10:46:59 +0000 Shani Peretz <shperetz@nvidia.com> wrote: > Sorry if it wasn't clear, in mlx5 there is limited number of counters, so if there are X counters and 2X queues, there won't be enough counters to get statistics for all queues at the same time. > In this case we thought the best approach would be to allow the user to choose which queues they want statistics from. > If the counters are exceeded, the user would have the option to disable the counter, thereby freeing up the resource for reuse elsewhere. > Ok, other hardware may have same issue. Why not do it per-queue (not the id stuff). Kind of related to the existing queue stat counters that need rework. The ixgbe has similar mapping problem. Let's solve this once across multiple devices.