Added a pctr pseudo-device for accessing the Pentium performance counters,

and a program pctrctl to set the counter functions.

src/etc/etc.i386/MAKEDEV

@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$OpenBSD: MAKEDEV,v 1.15 1996/07/23 06:32:55 etheisen Exp $
+#	$OpenBSD: MAKEDEV,v 1.16 1996/08/08 18:47:15 dm Exp $
 #	$NetBSD: MAKEDEV,v 1.40 1996/03/31 00:50:47 perry Exp $
 #
 # Copyright (c) 1990 The Regents of the University of California.
@@ -95,7 +95,7 @@ all)
 	sh MAKEDEV mcd0 acd0 vnd0 vnd1 lpa0 lpa1 ccd0 ccd1 ccd2 ccd3
 	sh MAKEDEV lpt0 lpt1 lpt2 ttyv0 bpf0 bpf1 bpf2 bpf3 ipl tun0 tun1 tun2
 	sh MAKEDEV speaker lkm mms0 lms0 pms0 audio joy0 joy1 apm pcmcia local
-	sh MAKEDEV rnd uk0 uk1
+	sh MAKEDEV rnd uk0 uk1 pctr
 # MISSING:
 #	sh MAKEDEV mouse-?
 	;;
@@ -447,6 +447,13 @@ uk*)
 	chown root.operator uk$unit
 	chmod 640 uk$unit
 	;;
+
+pctr)
+	rm -f pctr;
+	mknod pctr c 46 0
+	chown root.wheel pctr
+	chmod 0644 pctr
+	;;
 	
 local)
 	umask 0