From owner-freebsd-alpha Tue Oct 12 21:12:14 1999 Delivered-To: freebsd-alpha@freebsd.org Received: from lestat.nas.nasa.gov (lestat.nas.nasa.gov [129.99.33.127]) by hub.freebsd.org (Postfix) with ESMTP id E725214C2F; Tue, 12 Oct 1999 21:12:11 -0700 (PDT) (envelope-from thorpej@lestat.nas.nasa.gov) Received: from lestat (localhost [127.0.0.1]) by lestat.nas.nasa.gov (8.8.8/8.6.12) with ESMTP id VAA19287; Tue, 12 Oct 1999 21:12:04 -0700 (PDT) Message-Id: <199910130412.VAA19287@lestat.nas.nasa.gov> To: Andrew Gallatin Cc: freebsd-alpha@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG Subject: Re: alpha scheduling needs some tuning Reply-To: Jason Thorpe From: Jason Thorpe Date: Tue, 12 Oct 1999 21:12:03 -0700 Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Tue, 12 Oct 1999 23:37:53 -0400 (EDT) Andrew Gallatin wrote: > Has anybody noticed that scheduling appears to be broken on the alpha? > > On both i386 & alpha, try: > > echo "main(){for(;;);}" > foo.c > cc foo.c > /usr/bin/nice -20 ./a.out & ; ./a.out & FWIW, Ross Harvey fixed a whole slew of scheduler bugs in NetBSD that tickled themselves on the Alpha (due to it's high statclock rate). -- Jason R. Thorpe To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message