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a=rsa-sha256; c=relaxed/relaxed; d=corigine.onmicrosoft.com; s=selector2-corigine-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=g1S4Rrix0CiX5R8fU5CnwGwRvqQ1azJ2aQKhMw2o0iI=; b=BtuKo3OAgBJaEzAmXk7WuuvSuSD8iwklhk2HAeCBqNBNjPKrELhlQPsogIos2c2CmuUDmdbgfAbg90SZsOO2b5l6yZpye2YSaQPoWkk55cFecNr4/6mP6hAX5lUJ8JCERPenVllDiy50Z3xDrEX7cKE9Y87Kqxk9wFLvbeyKAGA= X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dkim=pass (1024-bit key) header.d=corigine.onmicrosoft.com header.i=@corigine.onmicrosoft.com header.a=rsa-sha256 header.s=selector2-corigine-onmicrosoft-com header.b=BtuKo3OA X-Mailman-Original-Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=corigine.com; Subject: Re: [Intel-wired-lan] [PATCH iwl-net] ice: Reset stats on queues num change X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Benjamin Mikailenko , netdev@vger.kernel.org, Tony Nguyen , intel-wired-lan@lists.osuosl.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On Fri, Jul 14, 2023 at 07:47:21AM -0400, Przemek Kitszel wrote: > Reset VSI stats on queues number change. > > Commit 288ecf491b16 ("ice: Accumulate ring statistics over reset") > implemented functionality for interface statistics to persist over reset, > but it left stats persisting over queue count reconfiguration. > > Following scenario is fixed here: > # Observe statistics for Tx/Rx queues > ethtool -S ethX > # change number of queues > ethtool -L ethX combined 10 > # Observe statistics for Tx/Rx queues (after reset) > ethtool -S ethX > > Ben has left a note where to place the VSI stats reset, > what made this fix much easier to do. > > Note that newly allocated structs (case of num_txq > prev_txq) don't > need zeroing. > > Fixes: 288ecf491b16 ("ice: Accumulate ring statistics over reset") > Suggested-by: Benjamin Mikailenko > Signed-off-by: Przemek Kitszel Reviewed-by: Simon Horman _______________________________________________ Intel-wired-lan mailing list Intel-wired-lan@osuosl.org https://lists.osuosl.org/mailman/listinfo/intel-wired-lan