From owner-freebsd-bugs Fri Jun 6 12:08:57 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id MAA05353 for bugs-outgoing; Fri, 6 Jun 1997 12:08:57 -0700 (PDT) Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.19]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id MAA05348 for ; Fri, 6 Jun 1997 12:08:50 -0700 (PDT) Received: (from bde@localhost) by godzilla.zeta.org.au (8.8.5/8.6.9) id FAA12479 for bugs@freebsd.org; Sat, 7 Jun 1997 05:06:51 +1000 Date: Sat, 7 Jun 1997 05:06:51 +1000 From: Bruce Evans Message-Id: <199706061906.FAA12479@godzilla.zeta.org.au> To: bugs@freebsd.org Subject: overhead for destructive cursor Sender: owner-bugs@freebsd.org X-Loop: FreeBSD.org Precedence: bulk `vidcontrol -c destructive' has an overhead of about 9% on my systems. This is because the busy-wait for vertical retrace is executed about 12 times per second and takes an average of about 7 msec. Bruce