From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1ZscbG-00071X-Ns for user-mode-linux-devel@lists.sourceforge.net; Sat, 31 Oct 2015 20:18:06 +0000 Received: from ivanoab4.miniserver.com ([78.31.104.92]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:AES128-SHA:128) (Exim 4.76) id 1ZscbF-0007zd-JR for user-mode-linux-devel@lists.sourceforge.net; Sat, 31 Oct 2015 20:18:06 +0000 Message-ID: <563521EB.9020406@kot-begemot.co.uk> Date: Sat, 31 Oct 2015 20:17:47 +0000 From: Anton Ivanov MIME-Version: 1.0 References: <1445416947-824802-1-git-send-email-aivanov@brocade.com> <562D236E.7020108@kot-begemot.co.uk> <562DFC90.9030308@nod.at> <5631BB4E.4010301@kot-begemot.co.uk> <1446304232.3238.8.camel@m3y3r.de> <5634DAA4.70308@nod.at> <1446304594.3238.11.camel@m3y3r.de> <5634DC7B.3010707@nod.at> <1446305051.3238.13.camel@m3y3r.de> <5634DEAB.8090909@nod.at> <1446306242.3238.16.camel@m3y3r.de> <5634EACE.2030906@kot-begemot.co.uk> <5635119A.3080500@nod.at> In-Reply-To: <5635119A.3080500@nod.at> List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net Subject: Re: [uml-devel] [PATCH v3] um: Switch clocksource to hrtimers To: Richard Weinberger , Thomas Meyer Cc: "user-mode-linux-devel@lists.sourceforge.net" On 31/10/15 19:08, Richard Weinberger wrote: > Am 31.10.2015 um 17:22 schrieb Anton Ivanov: >> Richard, can you send me your config. > Sure. It is basically a defconfig. I am dragging an old config from some work I did a while back. I will scrap it and do a defconfig build one I get back home (I am traveling at the moment). > >> I have had it running for a couple of days before submission both under load and idle it was doing OK. > Well, what userspace did you try? Debian Wheezy and Jessie including a full apt-get update ; apt-get dist-upgrade > I did some more tests, if nanosleep() is called periodically the issue does not arise. > Maybe your userspace (systemd?) fires the syscall too often. ;) Either that, or I re-used my old scripts which for a variety of reasons do CPU pinning (I do not remember if I turned that off or not before testing). It may be that it does not show up when you are running UML pinned on one host CPU. Same as above - I will re-test when I get back home, both with my config and and with defconfig. A > > Thanks, > //richard ------------------------------------------------------------------------------ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel