From owner-freebsd-net@freebsd.org Wed Jan 11 22:32:45 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 772B5CAB93E for ; Wed, 11 Jan 2017 22:32:45 +0000 (UTC) (envelope-from olivier@freebsd.org) Received: from smtp.smtpout.orange.fr (smtp05.smtpout.orange.fr [80.12.242.127]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "Bizanga Labs SMTP Client Certificate", Issuer "Bizanga Labs CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id D8A8D1FBF for ; Wed, 11 Jan 2017 22:32:44 +0000 (UTC) (envelope-from olivier@freebsd.org) Received: from mail-qk0-f170.google.com ([209.85.220.170]) by mwinf5d28 with ME id XAYf1u00f3hB8W903AYgKf; Wed, 11 Jan 2017 23:32:41 +0100 X-ME-Helo: mail-qk0-f170.google.com X-ME-Auth: Y29jaGFyZC1sYWJiZS5vbGl2aWVyQG9yYW5nZS5mcg== X-ME-Date: Wed, 11 Jan 2017 23:32:41 +0100 X-ME-IP: 209.85.220.170 Received: by mail-qk0-f170.google.com with SMTP id u25so2285336qki.2; Wed, 11 Jan 2017 14:32:40 -0800 (PST) X-Gm-Message-State: AIkVDXKw50aXyPBIBg0BII+MeP3K1oad5Ngx+arWEXFs/Z9sZmgxUJjfBdwFCQ7Ubbr35GrZCXJkd67f8Klp/g== X-Received: by 10.55.67.68 with SMTP id q65mr11423072qka.65.1484173959472; Wed, 11 Jan 2017 14:32:39 -0800 (PST) MIME-Version: 1.0 Received: by 10.237.34.248 with HTTP; Wed, 11 Jan 2017 14:32:18 -0800 (PST) In-Reply-To: <1598f42ad77.eeec05be4113.9201780237587761460@nextbsd.org> References: <30f21c75-d3a2-edcd-1999-d5ed9f970c06@freebsd.org> <1598d97bf2a.c6bcb76838987.6501340920645175463@nextbsd.org> <574a7ac7-4842-9518-8286-a4d89a9f7a27@freebsd.org> <6c6cb534-73c7-464b-8af1-7445a9c0188c@freebsd.org> <1598f29d379.ea6360351471.8752933472741761813@nextbsd.org> <1598f3f8588.d20017893749.339651164872952258@nextbsd.org> <1598f42ad77.eeec05be4113.9201780237587761460@nextbsd.org> From: =?UTF-8?Q?Olivier_Cochard=2DLabb=C3=A9?= Date: Wed, 11 Jan 2017 23:32:18 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: HEADS-UP: IFLIB implementations of sys/dev/e1000 em, lem, igb pending To: Matthew Macy Cc: Sean Bruno , "freebsd-net@freebsd.org" , "freebsd-current@freebsd.org" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Jan 2017 22:32:45 -0000 On Wed, Jan 11, 2017 at 9:40 PM, Matthew Macy wrote: > > > > I can generate profiling data for you: what kind of data do you wan= t > ? > > > > > > > A flame graph for the core cycle count and a flame graph with cache miss > stats from pmc would be a great start. > > =E2=80=8BI didn't know the exact event name to use for cache miss stats, bu= t here are the flame graphs for CPU_CLK_UNHALTED_CORE: http://dev.bsdrp.net/netgate.r311848.CPU_CLK_UNHALTED_CORE.svg http://dev.bsdrp.net/netgate.r311849.CPU_CLK_UNHALTED_CORE.svg