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[2620:137:e000::1:20]) by mx.google.com with ESMTP id b14-20020a056402350e00b00418c2b5bdacsi4074843edd.142.2022.04.02.09.19.15; Sat, 02 Apr 2022 09:19:39 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=uzsj3kbn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244255AbiDADOX (ORCPT + 99 others); Thu, 31 Mar 2022 23:14:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40662 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235269AbiDADOW (ORCPT ); Thu, 31 Mar 2022 23:14:22 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 243F0249C60; Thu, 31 Mar 2022 20:12:34 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id BD228B82206; Fri, 1 Apr 2022 03:12:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C2B2FC2BBE4; Fri, 1 Apr 2022 03:12:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1648782751; bh=Ni1gEgCkEx6pOktzvdKqc6Byl27/qXvDpW/HGefjY0g=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=uzsj3kbnzRZThMm7e7ZhPxgt3mzzCSQu5wdt5CzF/bEf4dtx+k1WgsPmY842SHqv4 o82KyJzCRphH7vhxgu8+9zTWKiWIIfRL6qZgtpzgn/WNqZ8KCDGH5pHySIr17T30eo Px5H4ayLdMn65VcFfltcOxlPF6M+i1n+e/LDyV7vIBf2qKeQYuMibzcuhVF/+wt1OE 7gHwUwhqYldjo1gL5zwyNO613OScgDfHAMQwqXCf4qEq+o1YaF42nuDFGxlTqwttpu +hfdKXPO5Cx25SIImWHzQjsqd5NDdNCRFVekJ+MKb/wJbRgKXsJZv1uSvba01DXB2l 7LQEsmJmSt83g== Date: Thu, 31 Mar 2022 20:12:29 -0700 From: Jakub Kicinski To: jackygam2001 Cc: dkirjanov@suse.de, edumazet@google.com, davem@davemloft.net, pabeni@redhat.com, rostedt@goodmis.org, mingo@redhat.com, yoshfuji@linux-ipv6.org, dsahern@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, yhs@fb.com, ping.gan@dell.com Subject: Re: [PATCH v2 net-next] tcp: Add tracepoint for tcp_set_ca_state Message-ID: <20220331201229.1cbd4f0b@kernel.org> In-Reply-To: <20220331082149.15910-1-jacky_gam_2001@163.com> References: <9f7a92f5-5674-5c9f-e5ec-4a68ec8cb0d1@suse.de> <20220331082149.15910-1-jacky_gam_2001@163.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 31 Mar 2022 16:21:49 +0800 jackygam2001 wrote: > From: Ping Gan > > The congestion status of a tcp flow may be updated since there > is congestion between tcp sender and receiver. It makes sense to > add tracepoint for congestion status set function to summate cc > status duration and evaluate the performance of network > and congestion algorithm. The backgound of this patch is below. > > Link: https://github.com/iovisor/bcc/pull/3899 > > Signed-off-by: Ping Gan # Form letter - net-next is closed We have already sent the networking pull request for 5.18 and therefore net-next is closed for new drivers, features, code refactoring and optimizations. We are currently accepting bug fixes only. Please repost when net-next reopens after 5.18-rc1 is cut. RFC patches sent for review only are obviously welcome at any time.