From owner-freebsd-arm@freebsd.org Wed Jul 29 10:42:13 2015 Return-Path: Delivered-To: freebsd-arm@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 CED6D9ADCFF for ; Wed, 29 Jul 2015 10:42:13 +0000 (UTC) (envelope-from onwahe@gmail.com) Received: from mail-io0-x22f.google.com (mail-io0-x22f.google.com [IPv6:2607:f8b0:4001:c06::22f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 9A4CA18D for ; Wed, 29 Jul 2015 10:42:13 +0000 (UTC) (envelope-from onwahe@gmail.com) Received: by ioii16 with SMTP id i16so16936529ioi.0 for ; Wed, 29 Jul 2015 03:42:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=BgA4vDrjCqK6ssnL8zgVtBGBR1vxC8bCk6FNNwhbo+4=; b=IZ+fVs7myBkHzWYx5Z9Hmq5d0Q8wuVjggESehXBrve4Z6s58p0CAPSn0sY9GtZ3LvY SSH4oK10BnLfL0bxdVstdtyvFuk/Wi+TpCfpEe+nh9EMiTzF/Fyp7zC0g+B4GT6UsCWy Fb5tq0Ki4FQciS3trwYtwZiAFoWhbpq9ZLbjFIHmGB1Tk0za3RUrsXU9YhBN2bCfuQHb z3pOW7+iMKsV9fzLkE7g/J/djB5CRIg69dpGdFTzdOwBcO/N2zHnWbm+SPn37Q/ISDHN rAu4s3SeGZ/LsdPy8WVZdf2Ftc9+dHN7p43HwJRUOzrn/pxfOB3qNiey/mou93PqOw8J WYgA== MIME-Version: 1.0 X-Received: by 10.107.166.203 with SMTP id p194mr425382ioe.30.1438166532974; Wed, 29 Jul 2015 03:42:12 -0700 (PDT) Received: by 10.64.148.84 with HTTP; Wed, 29 Jul 2015 03:42:12 -0700 (PDT) In-Reply-To: <55B8AB76.7030603@selasky.org> References: <55A7D8CE.4020809@selasky.org> <55B23276.8090703@selasky.org> <55B73113.2020308@selasky.org> <55B8AB76.7030603@selasky.org> Date: Wed, 29 Jul 2015 12:42:12 +0200 Message-ID: Subject: Re: [RPI-B] [HEADS UP] DWC OTG TX path optimisation for 11-current From: Svatopluk Kraus To: Hans Petter Selasky Cc: Jia-Shiun Li , "freebsd-arm@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Jul 2015 10:42:13 -0000 On Wed, Jul 29, 2015 at 12:31 PM, Hans Petter Selasky wrote: > On 07/29/15 12:08, Svatopluk Kraus wrote: >> >> On Tue, Jul 28, 2015 at 9:36 AM, Hans Petter Selasky >> wrote: >>> >>> Hi, >>> >>> Can you test this: >>> >>> https://svnweb.freebsd.org/changeset/base/285935 >>> >> >> I'm hunting some strange behaviour slowdowning my set RPI2 - usb3 hub >> - usb3 disk during buildworld, but I have noticed the following: >> >> make -j6 buildworld >> >> before r285935 -> 60145.29 real 350932.67 user 36402.54 sys >> after r285935 -> 67831.38 real 196310.43 user 19135.73 sys >> >> The kernel before r285935 was day or two older. >> >> These are just one-run times, however the difference is quite big. The >> change r285935 could influence the thing I'm investigating so it's >> worse now, but still ... >> > > Regarding build times you should also take "r285068" into account. > Yes, I know about that. The r285068 was applied in both kernels. Svata