From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [IPv6:2a00:1450:4864:20::12e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 678863B2A4 for ; Fri, 8 Mar 2019 15:58:33 -0500 (EST) Received: by mail-lf1-x12e.google.com with SMTP id i13so3547211lfg.10 for ; Fri, 08 Mar 2019 12:58:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=T5c1Hz1detS9bQhW6moK+H3KVMEgu18E2NlsG9BcnIg=; b=LLpowIsluyIM7zzVIDCYP60uuMmcAKSQGIyyT6pRocokBaNq+CMG8Mju8U+LKLsaJV yyiVURolodgwOTzF4RLwl/RbxpywqxV7BXFdk5b7nZnFxIdM4Y/vctxNS964EqdClC5i g55el6IOwB37yp45VxT1rtGG9bhop2BJlkUCyc05UWq5Ltg5x/4fYcFbK2YQ9zOcX2Jh GcjuOpunbTQdEc5soI08ALGxdN+/38mai3vhitrTzM7qlWi4wmYK5ZK96Op9N2YQSsgL taKqBlZPNEhXjc1CRovNKfV9p5kTQcRXwN+EY90X20p3+P7jVN4xZfywz/sRkG7fFuIV yTqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=T5c1Hz1detS9bQhW6moK+H3KVMEgu18E2NlsG9BcnIg=; b=NgkUT+0OzMvoPhIHoWLpK0da8THO+IrlHhuFGPS+a9pGc8rMpAOOR/gCkc440S2d78 xTGMwd3Orb8kY3PQ7NE1w6IYVB8JxMJl9QMwrGDIcLujUUS3WpEBxxwj9svLBI0UZQmI ZJ2CBtYuZXag+3v9HUHxUtV4t55Jx29fHbh3hfChSjux/AgoPgfD8iHtWVlZMnwsD4Z4 qKbkOV66wswjy7aJYKAOSB1jY4dZKeBcIXhHKDKq7J2xQu/0rzO8tVclB/4sNm7q/CSb vnvZqpfR01Hvcz7vI4OqKtvmsOe7/53aK/LxLi53h+SLBAfqQA5AmdsDEdeLzEY7J1Rl MGGA== X-Gm-Message-State: APjAAAX26V5Ycg6T9fQmjhZG6i4g7RqZ9JtmFj548RHgJ+6cxRXwbtt0 LssYiOxQIqbH2U61hyeAAAYtQPuFOaA9IgyJFHNkoCNd X-Google-Smtp-Source: APXvYqwvDK0CChdnkrwrjhfrd95PbB4NDpUzdc9Vr/hUysUgXt0uiKU7T+/HOKkWFGPTfJQmx+ae27iZIBmxi3r8cBQ= X-Received: by 2002:ac2:5548:: with SMTP id l8mr9300937lfk.28.1552078711992; Fri, 08 Mar 2019 12:58:31 -0800 (PST) MIME-Version: 1.0 From: Georgios Amanakis Date: Fri, 8 Mar 2019 15:58:21 -0500 Message-ID: To: Cake List Content-Type: text/plain; charset="UTF-8" Subject: [Cake] profiling using perf X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Mar 2019 20:58:33 -0000 Dear List, I made an effort to profile the performance of cake with perf in openwrt. perf was run on a WRT1900ACS router while downloading archlinux.iso via torrent in a LAN client. You can find the annotated sch_cake.c in the attachment as well as a performance histogram of sch_cake (percentages are relative to sch_cake). Hopefully people can take a look at it, and see if there are performance concerns. As far as I can tell