From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 541A6606A31D for ; Wed, 28 Oct 2026 15:07:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=fWbC5kgK DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=zAexHz8E5bpDPAsaNW7aRPuUlLOJ5C/B47iIBOhDko0=; b=fWbC5kgKJdBRbFCNKf5kNPfms1 zGQK1VjcuJ1f7JgjUbTBIopRnwExIxEwuEDPsbOh2RAB5YzXljmk+sLLrzLPnXMsG/iGLY9lGiRFp nNWO5DP5DNHraZwif2gZqpnif9o35xnGw4vHkkJILGKfnbodkwNluYVqfusarkjswHCg8UKHINr8Q IUN3ZaqfIvUzrfmavFHZa8l76FLLymX8AQVCLR6UF0/9Xk8TG2eWp75awCfkdbPXP34FZiUBrSQyc U6DyzuOobcHj9htW+XioTTVrPn7/gXBRWOpmJnzpnQoYxS5TN21UHNgxhnrE/8kcakTHlYb7Rwdrk kuiaVGyw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xM5FJ-00000007InE-22WG; Wed, 28 Oct 2026 15:07:21 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xM5FG-00000007Imn-0JjP for linux-nvme@lists.infradead.org; Wed, 28 Oct 2026 15:07:19 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 718E768AFE; Wed, 28 Oct 2026 16:07:12 +0100 (CET) Date: Wed, 28 Oct 2026 16:07:12 +0100 From: Christoph Hellwig To: Fengnan Cc: Keith Busch , linux-nvme@lists.infradead.org, hch@lst.de, linux-pci@vger.kernel.org, tglx@kernel.org, namjain@linux.microsoft.com, Keith Busch Subject: Re: [RFC PATCH 0/3] nvme-pci: dynamic interrupt moderation Message-ID: <20261028150712.GA16374@lst.de> References: <20261013223543.395054-1-kbusch@meta.com> <16e8bc03-42c2-4bc8-bce9-dab49aad66b8@bytedance.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <16e8bc03-42c2-4bc8-bce9-dab49aad66b8@bytedance.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261028_080718_269629_5C8B644D X-CRM114-Status: GOOD ( 14.33 ) X-Spam-Score: -1.9 (-) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" X-Spam-Status: No, score=-5.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Thu, Oct 22, 2026 at 05:43:54PM +0800, Fengnan wrote: > Hi Keith: > > I made some modifications to DIM and then implemented a solution > using the DIM framework. > Based on current testing, the results are now comparable to those of > the previous patch. > Here are the preliminary test results: > https://docs.google.com/spreadsheets/d/1e8LQPnaDhmv50XlAM3XxI0TMQkhbk0bTZwlJP1Hzzdk/edit?gid=188992110#gid=188992110 > > If you agree with this approach, I’ll continue testing and optimizing. І can't speak for Keith, but I'd really love to see this going forward!