From owner-freebsd-emulation Sun Dec 19 21:31:37 1999 Delivered-To: freebsd-emulation@freebsd.org Received: from smtp7.atl.mindspring.net (smtp7.atl.mindspring.net [207.69.128.51]) by hub.freebsd.org (Postfix) with ESMTP id 2F19814FC5 for ; Sun, 19 Dec 1999 21:31:35 -0800 (PST) (envelope-from vsilyaev@mindspring.com) Received: from mindspring.com (user-2iniin6.dialup.mindspring.com [165.121.74.230]) by smtp7.atl.mindspring.net (8.9.3/8.8.5) with ESMTP id AAA07505; Mon, 20 Dec 1999 00:31:17 -0500 (EST) Received: (from vsilyaev@localhost) by mindspring.com (8.9.3/8.9.3) id AAA01150; Mon, 20 Dec 1999 00:31:15 -0500 (EST) (envelope-from vsilyaev) Date: Mon, 20 Dec 1999 00:31:14 -0500 From: "Vladimir N. Silyaev" To: Hidetoshi Shimokawa Cc: vsilyaev@mindspring.com, guido@gvr.org, freebsd-emulation@FreeBSD.ORG, dbutter@wireless.net Subject: Re: VMware: Questions... Message-ID: <19991220003114.A1066@jupiter.delta.ny.us> References: <19991218204438.A706@jupiter.delta.ny.us> <19991219174414.A89114@gvr.gvr.org> <19991219122016.A453@jupiter.delta.ny.us> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: ; from simokawa@sat.t.u-tokyo.ac.jp on Mon, Dec 20, 1999 at 12:43:23PM +0900 Sender: owner-freebsd-emulation@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Mon, Dec 20, 1999 at 12:43:23PM +0900, Hidetoshi Shimokawa wrote: > > > going on (as seen from iostat or systat -vmstat). I am seeing > > > 100 transaction per second. > > I fill such freezes with linux as guest, but I never seen any disk activity > > in that time. I don't have access to vmware sources or to any other source > > of information, so I don't have any thinks about this freezes. > > This is because mmaped file is written every 30 second by sync daemon. > The file is usually named /var/tmp/ram0 but it's unlinked right after > opened so you cannot see it by 'ls' although it exits. Yes, I know about this files (VMware leave some comments in vmmon code, why they didn't use MAP_ANON). > > Fortunately, MAP_NOSYNC is available recently. I use the following > patch. It's urgly but simple. Ooo! Thanks a lot! How you were discover this? -- Vladimir Silyaev To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-emulation" in the body of the message