From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4AF7CED7B8F for ; Tue, 14 Apr 2026 09:33:28 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 0735C84A4A; Tue, 14 Apr 2026 09:33:28 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id Ybt3Bj_jszWB; Tue, 14 Apr 2026 09:33:27 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver= DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 3926182861 DKIM-Signature: v=1; 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Tue, 14 Apr 2026 09:33:25 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id oHdzQnyQu_zd for ; Tue, 14 Apr 2026 09:33:25 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=horms@kernel.org; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp4.osuosl.org D3D3141021 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org D3D3141021 Received: from tor.source.kernel.org (tor.source.kernel.org [IPv6:2600:3c04:e001:324:0:1991:8:25]) by smtp4.osuosl.org (Postfix) with ESMTPS id D3D3141021 for ; Tue, 14 Apr 2026 09:33:23 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id C411660018; Tue, 14 Apr 2026 09:33:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5EAC5C19425; Tue, 14 Apr 2026 09:33:20 +0000 (UTC) Date: Tue, 14 Apr 2026 10:33:17 +0100 From: Simon Horman To: Aleksandr Loktionov Cc: intel-wired-lan@lists.osuosl.org, anthony.l.nguyen@intel.com, netdev@vger.kernel.org, Jacob Keller Message-ID: <20260414093317.GY469338@kernel.org> References: <20260410074921.1254213-1-aleksandr.loktionov@intel.com> <20260410074921.1254213-7-aleksandr.loktionov@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260410074921.1254213-7-aleksandr.loktionov@intel.com> X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776159201; bh=LsW298vC1uXD4bNamm2iAeOtiJmLtwQwZUl1bRwVznM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=i+Tbw0CcClfF8F75vv96rwLR7UM3a7fRL/T3bZ1hNRJnlyCrlJOU2NTgGmLhNngss 4s+n7kvhJef/vDVcve6TDvBD3nqoMPQk075oWrebT/iPaLDoQwTBeZOpPt0e353zHg B09LaAtf44/1/Ffb4GBkMdjjo+eswm/xEAXJwcBJ4JpEQA1Mwz4nVE7KIm5PdHeYBD 51CuH5Es5wmNcSlft0/RU9CoilQ3PdOkAUc1D2csJu+Mcxms6Vjk5Gee8J3ZQdA4Qc EYiwEQh5UFVDbEGKSm1Bp/bOPeeTgkSePmZ910I6Z2fKcXAGkiAHgbrNIDPcah5ARa dS9Z8eAqc5Iow== X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=i+Tbw0Cc Subject: Re: [Intel-wired-lan] [PATCH iwl-next 6/10] ice: increase OICR interrupt moderation rate to 20K interrupts/sec X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On Fri, Apr 10, 2026 at 09:49:17AM +0200, Aleksandr Loktionov wrote: > The miscellaneous interrupt cause (OICR) is throttled to 8K > interrupts per second (124 us minimum spacing). This interrupt > handles VF mailbox messages and Tx timestamps, so the low rate > imposes a minimum latency floor on both use-cases. > > Raise the rate to 20K interrupts per second (50 us minimum > spacing) to allow lower latency handling for Tx timestamp > bursts and high VF message rates. > > Signed-off-by: Jacob Keller > Signed-off-by: Aleksandr Loktionov Reviewed-by: Simon Horman