From owner-freebsd-hackers@FreeBSD.ORG Thu May 31 06:32:21 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 57D21106566B; Thu, 31 May 2012 06:32:21 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-pz0-f54.google.com (mail-pz0-f54.google.com [209.85.210.54]) by mx1.freebsd.org (Postfix) with ESMTP id 1B9C88FC0C; Thu, 31 May 2012 06:32:21 +0000 (UTC) Received: by dadv36 with SMTP id v36so890446dad.13 for ; Wed, 30 May 2012 23:32:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=m5/ZdKfjBCyr6zFGmXVa3mbIITyvJtvzxABPfD2XhGU=; b=AogplOWON7FraE+PNh8UiQL3079YWZ7DhYcmpPpDtLPRh4tye6kKz4gGY/BPLBskTC xLf+rmDYMqmZy+lkDxfs7cTCjGOczTr3AC218LwOEiYGLX1X79bqdrip5o/2qiU2JO+Y uNZszWDHM8a1K0cIBeVkRaFLu5bXb51GcZtyDWtNL3XiqgDH3gsmseXWjRxSGTBLoxgT nl1K/IPvzVNAOzl0NeJpAFfZJLYsD3kEpl6H1tU4lRt73+KktUwNev0dOGjsvYV94lVE E8C0azW8UzQf66HvGyrGVcmiW0eWxMIa5S63kXrem6AZpKEGrjW4AVXLJ6DG+qxvQGM0 rJ6A== MIME-Version: 1.0 Received: by 10.68.129.167 with SMTP id nx7mr2812406pbb.80.1338445940709; Wed, 30 May 2012 23:32:20 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.142.203.2 with HTTP; Wed, 30 May 2012 23:32:20 -0700 (PDT) In-Reply-To: References: <201205301124.52597.jhb@freebsd.org> Date: Wed, 30 May 2012 23:32:20 -0700 X-Google-Sender-Auth: _7OitZ47Wig4D9uh6k7GyMCi2bU Message-ID: From: Adrian Chadd To: John Baldwin Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-hackers@freebsd.org, Alexander Motin Subject: Re: ULE/sched issues on stable/9 - why isn't preemption occuring? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 May 2012 06:32:21 -0000 Hi, Here's a trace with powerd/sleep states disabled, but I haven't set machdep.idle=spin. I'll try it with that in a sec. http://people.freebsd.org/~adrian/ath/ktr-notaskq-1.out.gz The entries are still out of whack in places, but it doesn't look like it's necessarily due to out of sync TSCs.. Adrian