From owner-freebsd-current@FreeBSD.ORG Sun Oct 11 23:11:17 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 414DA1065672 for ; Sun, 11 Oct 2009 23:11:17 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from mail-fx0-f222.google.com (mail-fx0-f222.google.com [209.85.220.222]) by mx1.freebsd.org (Postfix) with ESMTP id C994E8FC1C for ; Sun, 11 Oct 2009 23:11:16 +0000 (UTC) Received: by fxm22 with SMTP id 22so7785849fxm.36 for ; Sun, 11 Oct 2009 16:11:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type; bh=PH2OXdkW2xM+UsQa5w2ry3ECewMPYm3lyJN1wYruvWg=; b=R+gAZKM+hLPAL3coGBXNd+MZdfP8Db0oTIRMUlzsVipS0X33VjslHKV2F4gQKI+g3h LcINLzSR8pOtjrm1wcBilm+kSSajjDs/1k7B7KU8NZ8Di/hal8QwYKooeL/Q1O+O70vM vEU4Zw5ErRz7oAe33KwQCFaXlO+SW/pNmituQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=E5ijRv7jCXfib95OsaDLRiNBst9+ags3j7Ismow1Phk9rMWz+b7zj2urNLW7ezdsox AxXFlafwiXX3qqgvt+6Y6BC3ImhKSRdWVPngNfPobp6bfVvHqdb2a7v2Cull+OYtPwgw u9C2s5ihiuKBbJsen9ucUFMd6GzcF+68Mwah8= MIME-Version: 1.0 Sender: asmrookie@gmail.com Received: by 10.223.97.155 with SMTP id l27mr1366166fan.91.1255302675788; Sun, 11 Oct 2009 16:11:15 -0700 (PDT) In-Reply-To: <6729ad0409e449f8dbda69ecd8feb618.squirrel@webmail.lerctr.org> References: <6729ad0409e449f8dbda69ecd8feb618.squirrel@webmail.lerctr.org> Date: Mon, 12 Oct 2009 01:11:15 +0200 X-Google-Sender-Auth: 6c19d39e34a4bcd5 Message-ID: <3bbf2fe10910111611p2f48d89cpa80350980f4f03e4@mail.gmail.com> From: Attilio Rao To: Larry Rosenman Content-Type: text/plain; charset=UTF-8 Cc: freebsd-current@freebsd.org Subject: Re: Scheduler weirdness X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Oct 2009 23:11:17 -0000 2009/10/12 Larry Rosenman : > > Ok, running RELENG_8 from Friday (10/9/2009). > > If I have 4 Folding-at-home processes running (they nice themselves) the > system is slow as a dog. > > If I stop them, it's speedy. > > This is running SCHED_ULE > > is this expected? > > What can I do to help? Can you please produce the schedgraph output for this workload? Do you know how to setup it? Attilio -- Peace can only be achieved by understanding - A. Einstein