From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53509) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ewM4q-0002oC-QJ for qemu-devel@nongnu.org; Thu, 15 Mar 2018 02:09:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ewM4n-0006vG-Kt for qemu-devel@nongnu.org; Thu, 15 Mar 2018 02:09:24 -0400 Received: from mail.ispras.ru ([83.149.199.45]:33804) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ewM4n-0006tj-CS for qemu-devel@nongnu.org; Thu, 15 Mar 2018 02:09:21 -0400 From: "Pavel Dovgalyuk" References: <000301d3bb73$e997a8e0$bcc6faa0$@ru> <000401d3bb7a$418b9fb0$c4a2df10$@ru> In-Reply-To: Date: Thu, 15 Mar 2018 09:09:11 +0300 Message-ID: <000301d3bc24$236c48e0$6a44daa0$@ru> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Language: ru Subject: Re: [Qemu-devel] regression in timer code? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: 'Max Filippov' Cc: 'Pavel Dovgaluk' , 'qemu-devel' > From: Max Filippov [mailto:jcmvbkbc@gmail.com] > On Wed, Mar 14, 2018 at 2:53 AM, Pavel Dovgalyuk wrote: > > icount is adjusted by icount_warp_rt when CPU sleeps. > > These adjustments may be different in different runs. > > And the first adjustment is performed at the start of the machine. > > Therefore "now" value includes non-deterministic component from the beginning, > > but its increments caused by instruction executions are deterministic. > > Ok, so the CPU reset is non-deterministic. Thanks. BTW, your link to website in MAINTAINERS does not work. W: http://wiki.osll.spb.ru/doku.php?id=etc:users:jcmvbkbc:qemu-target-xtensa Pavel Dovgalyuk