From owner-freebsd-current@FreeBSD.ORG Wed Apr 2 19:37:56 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CEF3937B401 for ; Wed, 2 Apr 2003 19:37:56 -0800 (PST) Received: from mailman.zeta.org.au (mailman.zeta.org.au [203.26.10.16]) by mx1.FreeBSD.org (Postfix) with ESMTP id AB42243F93 for ; Wed, 2 Apr 2003 19:37:55 -0800 (PST) (envelope-from bde@zeta.org.au) Received: from katana.zip.com.au (katana.zip.com.au [61.8.7.246]) by mailman.zeta.org.au (8.9.3/8.8.7) with ESMTP id NAA23784; Thu, 3 Apr 2003 13:37:45 +1000 Date: Thu, 3 Apr 2003 13:37:44 +1000 (EST) From: Bruce Evans X-X-Sender: bde@gamplex.bde.org To: Jeff Roberson In-Reply-To: <20030402193352.T64602-100000@mail.chesapeake.net> Message-ID: <20030403132059.V29067@gamplex.bde.org> References: <20030402193352.T64602-100000@mail.chesapeake.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: current@freebsd.org Subject: Re: ULE nice behavior fixed. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Apr 2003 03:37:57 -0000 On Wed, 2 Apr 2003, Jeff Roberson wrote: > On Wed, 2 Apr 2003, Bruce Evans wrote: > > ... The scaling of niceness was re-broken in -current about 3 > > years ago to "fix" the priority inversion problems. This is with > > SCHED_4BSD. SCHED_ULE has larger problems. > > Do you know of any problem other than idlepri breakage? I just fixed > that. I'm about to get on a plane so I don't have time to benchmark it. > If you have a chance I'd love to see how the most recent fixes effect your > buildworld time. Nothing very important. Many scheduler-related fields shown by ps are now useless since they only have a dummy entry in them. IIRC, one is worse than useless since the dummy entry doesn't fit in the field width. Bruce