From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mail.toke.dk; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b="UiV/8+Xb"; arc=none (Message is not ARC signed); dmarc=pass (Used From Domain Record) header.from=kernel.org policy.dmarc=quarantine Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by mail.toke.dk (Postfix) with ESMTPS id AB6911952C85 for ; Fri, 30 Oct 2026 23:31:21 +0100 (CET) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 01704601EE; Fri, 30 Oct 2026 22:31:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 013F21F000C1; Fri, 30 Oct 2026 22:31:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793399479; bh=u4i08XfvjxZQq2WmcsQfove9xezxcApRnsZ13Qb1Yug=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=UiV/8+Xbv7p5vT/2rYxF8yVt931uVfP6+H31IPpPgC/qb3i1plcoJu3zKxr7/kvja Ndu66o46Epb0UM4ILJIeHwraRT+n4Nj8KozXCWToAXYGXR6GfKsZEvd1z6OOfsCUZK 9/gnE2jMgN+zGRVPtV7TFtSsZ+vMtogS4yFBQbfA1T/La5wb89LWySWec3JvHLpU7Q 0gpKMvn97pf2VRGVqk89JuvX/8VU2EtBbCBr8wqZyha7a3FcWsdmyM6wSn5+HlVN6x zDT9jEYDSk4SKg9tJL29Sr4jPR8eG0ey1zYdmH8C5NAnv8zLHjmrQCHJ+DYvdhFMDM l2cIA7V2Sm3GA== Date: Fri, 30 Oct 2026 15:31:18 -0700 From: Jakub Kicinski To: Shubhang Cc: Paolo Abeni , Toke =?UTF-8?B?SMO4aWxhbmQtSsO4cmdl?= =?UTF-8?B?bnNlbg==?= , Jamal Hadi Salim , Jiri Pirko , "David S. Miller" , Eric Dumazet , Simon Horman , Jonas =?UTF-8?B?S8O2cHBlbGVy?= , Shubhang Kaushik , "Christoph Lameter (Ampere)" , Toke =?UTF-8?B?SMO4aWxhbmQtSsO4cmdlbnNlbg==?= , cake@lists.bufferbloat.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Message-ID: <20261030153118.1d9f255b@kernel.org> In-Reply-To: References: <20261026-net_sched_sch_cake-v2-1-cb1d4e6ed990@gentwo.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Message-ID-Hash: WVAVSDMII2I44IB2LOJT3DLOR7LQ7A3T X-Message-ID-Hash: WVAVSDMII2I44IB2LOJT3DLOR7LQ7A3T X-MailFrom: kuba@kernel.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list Subject: [Cake] Re: [PATCH v2] net/sched: sch_cake: skip redundant cake_mq rate updates List-Id: Cake - FQ_codel the next generation Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Thu, 29 Oct 2026 14:45:19 -0700 (PDT) Shubhang wrote: > I repeated the test with whole-host CPU accounting on this 80-core system > and could not measure a reliable aggregate CPU-use difference; throughput > was unchanged. The benefit is visible in focused cake_configure_rates() > trace, but I agree this is more appropriate for net-next. In which case you'll need to repost once https://netdev.bots.linux.dev/net-next.html says net-next is open. Make sure to remove the Fixes tag.