From owner-freebsd-bugs Tue Mar 11 2: 0:31 2003 Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C9E4F37B404 for ; Tue, 11 Mar 2003 02:00:29 -0800 (PST) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4804D43FDD for ; Tue, 11 Mar 2003 02:00:28 -0800 (PST) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.6/8.12.6) with ESMTP id h2BA0SNS044711 for ; Tue, 11 Mar 2003 02:00:28 -0800 (PST) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.6/8.12.6/Submit) id h2BA0SCo044710; Tue, 11 Mar 2003 02:00:28 -0800 (PST) Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A625437B401 for ; Tue, 11 Mar 2003 01:53:31 -0800 (PST) Received: from smtp01.syd.iprimus.net.au (smtp01.syd.iprimus.net.au [210.50.30.70]) by mx1.FreeBSD.org (Postfix) with ESMTP id B043D43FAF for ; Tue, 11 Mar 2003 01:53:30 -0800 (PST) (envelope-from tim@robbins.dropbear.id.au) Received: from dilbert.robbins.dropbear.id.au ([210.50.221.204]) by smtp01.syd.iprimus.net.au with Microsoft SMTPSVC(5.0.2195.5600); Tue, 11 Mar 2003 20:53:24 +1100 Received: from dilbert.robbins.dropbear.id.au (lroksc0xguohgkjb@localhost [127.0.0.1]) by dilbert.robbins.dropbear.id.au (8.12.6/8.12.6) with ESMTP id h2B9qxJK083268 for ; Tue, 11 Mar 2003 20:52:59 +1100 (EST) (envelope-from tim@dilbert.robbins.dropbear.id.au) Received: (from tim@localhost) by dilbert.robbins.dropbear.id.au (8.12.6/8.12.6/Submit) id h2B9qwNF083267; Tue, 11 Mar 2003 20:52:58 +1100 (EST) (envelope-from tim) Message-Id: <200303110952.h2B9qwNF083267@dilbert.robbins.dropbear.id.au> Date: Tue, 11 Mar 2003 20:52:58 +1100 (EST) From: Tim Robbins Reply-To: Tim Robbins To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Subject: kern/49102: Resident set size calculation broken in 5.x Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org >Number: 49102 >Category: kern >Synopsis: Resident set size calculation broken in 5.x >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Mar 11 02:00:27 PST 2003 >Closed-Date: >Last-Modified: >Originator: Tim Robbins >Release: FreeBSD 5.0-RELEASE i386 >Organization: The FreeBSD Project >Environment: System: FreeBSD 5.0-RELEASE i386 >Description: Resident set size calculation is broken in 5.0 because the kernel stack is counted towards the RSS even when a process has been swapped out. In fill_kinfo_proc(): kp->ki_rssize = vmspace_resident_count(vm); /*XXX*/ if (p->p_sflag & PS_INMEM) kp->ki_rssize += UAREA_PAGES; FOREACH_THREAD_IN_PROC(p, td) /* XXXKSE: thread swapout check */ kp->ki_rssize += KSTACK_PAGES; Note the way KSTACK_PAGES is added on to the RSS even when threads are are swapped out and the XXXKSE comment. >How-To-Repeat: Run some processes. Allocate enough memory so that some processes get swapped out. Observe the RSS with 'top' and notice that it is not 0 for swapped-out processes. >Fix: Not supplied. >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message