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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5902C433EF for ; Fri, 8 Apr 2022 00:59:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233205AbiDHBA6 (ORCPT ); Thu, 7 Apr 2022 21:00:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233290AbiDHBAq (ORCPT ); Thu, 7 Apr 2022 21:00:46 -0400 X-Greylist: delayed 915 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 07 Apr 2022 17:58:40 PDT Received: from m12-11.163.com (m12-11.163.com [220.181.12.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 23E6F30CB90; Thu, 7 Apr 2022 17:58:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=31tFs 14/hmEFriPL+huf8+43YyXdMqfNdNECql3AeLY=; b=GvVZnnvs2HPhWoZWaBWRO gMLwwmYNGA7v2djsGWoUK7aBqwQhFNpRZuTXNuRQTjj9cHMV2TGc3L9FIK5xCERF B+g9xKWszjLFK3DJNjgxbDGW1fBXZL+/osmJiXZI83wercjflJE8ZCapN2RKxEpW nZpCIYpuAnPdl7ksK/1Reg= Received: from localhost.localdomain (unknown [101.86.109.27]) by smtp7 (Coremail) with SMTP id C8CowAAnnmHphE9i3wPwAA--.23557S2; Fri, 08 Apr 2022 08:42:19 +0800 (CST) From: jackygam2001 To: edumazet@google.com Cc: davem@davemloft.net, kuba@kernel.org, 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 net-next] tcp: Add tracepoint for tcp_set_ca_state Date: Fri, 8 Apr 2022 08:40:49 +0800 Message-Id: <20220408004050.27292-1-jacky_gam_2001@163.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: Reply-To: edumazet@google.com MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: C8CowAAnnmHphE9i3wPwAA--.23557S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrKrW5Aw45JF17uF48ArW7XFb_yoW3AFcE9F WIvr1kJrs8Jry8Xan3AryxXrn7GayvgF98Aw17tryFva42yFW8XFnrWrs5urZxW3WxWry3 uwn3Jan0y342gjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUUNzV5UUUUU== X-Originating-IP: [101.86.109.27] X-CM-SenderInfo: 5mdfy55bjdzsisqqiqqrwthudrp/xS2BdAPbKVgi1hfy0AABsd Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At 2022-04-07 14:05:42, "Eric Dumazet" wrote: > On Tue, Apr 5, 2022 at 6:12 PM 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 > > --- > > This seems good to me, thanks. > > Reviewed-by: Eric Dumazet Thanks for you comment and review!