From owner-freebsd-bugs Fri Jun 30 13:30: 7 2000 Delivered-To: freebsd-bugs@freebsd.org Received: from mail-green.research.att.com (H-135-207-30-103.research.att.com [135.207.30.103]) by hub.freebsd.org (Postfix) with ESMTP id E743F37B76D for ; Fri, 30 Jun 2000 13:30:02 -0700 (PDT) (envelope-from ji@research.att.com) Received: from amontillado.research.att.com (amontillado.research.att.com [135.207.24.32]) by mail-green.research.att.com (Postfix) with ESMTP id E08C61E00B for ; Fri, 30 Jun 2000 16:29:57 -0400 (EDT) Received: from bual.research.att.com (bual.research.att.com [135.207.24.19]) by amontillado.research.att.com (8.8.7/8.8.7) with ESMTP id QAA24091 for ; Fri, 30 Jun 2000 16:29:56 -0400 (EDT) From: John Ioannidis Received: (from ji@localhost) by bual.research.att.com (8.7.5/8.7) id QAA29869 for freebsd-bugs@freebsd.org; Fri, 30 Jun 2000 16:29:56 -0400 (EDT) Date: Fri, 30 Jun 2000 16:29:56 -0400 (EDT) Message-Id: <200006302029.QAA29869@bual.research.att.com> To: freebsd-bugs@freebsd.org Subject: swapper process accumulating time in 4.0-STABLE with NO_SWAPPING Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org I'm running a 4.0-STABLE kernel with options NO_SWAPPING, yet after less than three days of uptime, the swapper has accumulated 14 seconds of CPU time. Where is this coming from? Why is there a swapper process even running? Observe: $ strings /kernel | grep ^___ | grep SWAP ___options NO_SWAPPING $ uptime 4:26PM up 2 days, 21:20, 6 users, load averages: 0.07, 0.04, 0.00 $ ps alx | grep swapper 0 0 0 0 -18 0 0 0 sched DLs ?? 0:00.14 (swapper) $ sysctl -a | grep swap vm.swap_enabled: 0 vm.swap_async_max: 4 vm.stats.vm.v_swapin: 0 vm.stats.vm.v_swapout: 0 vm.stats.vm.v_swappgsin: 0 vm.stats.vm.v_swappgsout: 0 vm.swap_idle_enabled: 0 vm.defer_swapspace_pageouts: 0 vm.disable_swapspace_pageouts: 0 vfs.nfs.diskless_swappath: If we're not swapping, why does the swapper thread have to run at all? /ji To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message