From patchwork Sat Aug 3 23:37:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Taht X-Patchwork-Id: 1141617 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="l4xbCukx"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 461L9c3JVkz9sDB for ; Sun, 4 Aug 2019 09:40:03 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729254AbfHCXhd (ORCPT ); Sat, 3 Aug 2019 19:37:33 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:42878 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729246AbfHCXhc (ORCPT ); Sat, 3 Aug 2019 19:37:32 -0400 Received: by mail-pf1-f194.google.com with SMTP id q10so37774866pff.9 for ; Sat, 03 Aug 2019 16:37:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=dG75FH/rlWRdh8D7RWWexprO0W9nSo81lL58r3GgALE=; b=l4xbCukxqQyrb3j4HUsJ8BZEqzMusjmOrjrOGJ/fyaqZiCjWC8bpE+UjMbwnKIzpny JDUrVxiQCjeR1WGZ5Mrx+HK/tOT2o7LQ+23u8FiJX9RUpepzpY4vC0KiBHMYVonw9Fqx chTvDH7LfQ9pdUCM/aMHoNgq17PvUvw69Xj2Ms5hnSh7k8oZPio4tnO+Dv6joF0eEP3S /Q3FlrC1UqL//hPxDbCGObpfHIw1MmtjV9ym0PAVtHPJesY+ElIThZgi+Q5SrQ1is8DI 5kc0yRL57AyTMIAOYG0L9gfXz3CQyrrKjQD8ALAnq62dsMMPMXnK1U9kLECsW2Z90gXf Zm3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=dG75FH/rlWRdh8D7RWWexprO0W9nSo81lL58r3GgALE=; b=aoYtSC4K2yZIXQUpfIIi8xJxPlLtDpc6COjuxEQzZWvInmmZPUURCBQb9j6ZHUK8HB j1qSJTDJbyUDAiBEFftLVRgb8bCZ/eG6UsbTwy815Lb6r9Evn8iG7YyQfSrcEbMdov1T 2tvSkbfx9F9odlrc/uBCZaa9M+39EYlsYOwMqAQxp9BxVOqgefYgJYtnruF8JlRyDaRA T6NZR//4+wS1asPMkNVL4W68+wkWGV5ReaS0hnENa9sKm+L0KrrnPkbAMTNxf1d2N31F 1w0W0Fp1TeuLMdskO3xxCpGcocowRXkUVcT8yEG/9iblJOMBxG66RZvUG7xFUswpRdX3 UsgQ== X-Gm-Message-State: APjAAAVDMhw/+IvCNA9K89DN+/um0eHVY1k2Rnq6fRYZYyWI7YpUzCZF Du7Wq3AG+yD8BUAlh+XRcXAgvyPQL9s= X-Google-Smtp-Source: APXvYqzBDLUfzYtw/wxDFWnjH1+KV5YVvnGPMpID6rkOi6S+EFuEki1enZKB3xe4KGx40ig3zS1/0g== X-Received: by 2002:a63:755e:: with SMTP id f30mr131162183pgn.246.1564875451495; Sat, 03 Aug 2019 16:37:31 -0700 (PDT) Received: from dancer.lab.teklibre.com ([2603:3024:1536:86f0:eea8:6bff:fefe:9a2]) by smtp.gmail.com with ESMTPSA id x24sm76076336pgl.84.2019.08.03.16.37.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 03 Aug 2019 16:37:30 -0700 (PDT) From: Dave Taht To: netdev@vger.kernel.org Cc: Dave Taht Subject: [PATCH net-next 0/2] Two small fq_codel optimizations Date: Sat, 3 Aug 2019 16:37:27 -0700 Message-Id: <1564875449-12122-1-git-send-email-dave.taht@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org These two patches improve fq_codel performance under extreme network loads. The first patch more rapidly escalates the codel count under overload, the second just kills a totally useless statistic. (sent together because they'd otherwise conflict) Signed-off-by: Dave Taht Dave Taht (2): Increase fq_codel count in the bulk dropper fq_codel: Kill useless per-flow dropped statistic net/sched/sch_fq_codel.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)