diff --git a/etc/MAKEDEV b/etc/MAKEDEV
index f1ae83241b3a..ae9767bf1887 100644
--- a/etc/MAKEDEV
+++ b/etc/MAKEDEV
@@ -97,8 +97,9 @@
 #	qcam*	Connectix QuickCam(tm) parallel port camera
 #	isdn*	ISDN devices
 #	labpc*	National Instrument's Lab-PC and LAB-PC+
+#	perfmon	CPU performance-monitoring counters
 #
-#	$Id: MAKEDEV,v 1.114 1996/03/18 20:28:27 nate Exp $
+#	$Id: MAKEDEV,v 1.115 1996/03/19 03:48:53 jkh Exp $
 #
 
 PATH=/sbin:/bin/:/usr/bin:/usr/sbin:
@@ -176,7 +177,7 @@ all)
 	sh MAKEDEV cuaa0 cuaa1 cuaa2 cuaa3			# cdev, serial
 	sh MAKEDEV lpt0 lpt1 lpt2				# cdev, printer
 	sh MAKEDEV pty0 ch0 tw0 bpf0				# cdev
-	sh MAKEDEV speaker pcaudio psm0 mse0			# cdev
+	sh MAKEDEV perfmon speaker pcaudio psm0 mse0		# cdev
 	sh MAKEDEV vty4						# cdev
 	sh MAKEDEV tun0						# cdev
 	;;
@@ -1136,6 +1137,10 @@ labpc*)
 	umask 77
 	;;
 
+perfmon)
+	mknod perfmon	c 2 32;	chmod 640 perfmon;	chown root.kmem perfmon
+	;;
+
 local)
 	umask 0			# XXX should be elsewhere
 	sh MAKEDEV.local
diff --git a/etc/etc.i386/MAKEDEV b/etc/etc.i386/MAKEDEV
index f1ae83241b3a..ae9767bf1887 100644
--- a/etc/etc.i386/MAKEDEV
+++ b/etc/etc.i386/MAKEDEV
@@ -97,8 +97,9 @@
 #	qcam*	Connectix QuickCam(tm) parallel port camera
 #	isdn*	ISDN devices
 #	labpc*	National Instrument's Lab-PC and LAB-PC+
+#	perfmon	CPU performance-monitoring counters
 #
-#	$Id: MAKEDEV,v 1.114 1996/03/18 20:28:27 nate Exp $
+#	$Id: MAKEDEV,v 1.115 1996/03/19 03:48:53 jkh Exp $
 #
 
 PATH=/sbin:/bin/:/usr/bin:/usr/sbin:
@@ -176,7 +177,7 @@ all)
 	sh MAKEDEV cuaa0 cuaa1 cuaa2 cuaa3			# cdev, serial
 	sh MAKEDEV lpt0 lpt1 lpt2				# cdev, printer
 	sh MAKEDEV pty0 ch0 tw0 bpf0				# cdev
-	sh MAKEDEV speaker pcaudio psm0 mse0			# cdev
+	sh MAKEDEV perfmon speaker pcaudio psm0 mse0		# cdev
 	sh MAKEDEV vty4						# cdev
 	sh MAKEDEV tun0						# cdev
 	;;
@@ -1136,6 +1137,10 @@ labpc*)
 	umask 77
 	;;
 
+perfmon)
+	mknod perfmon	c 2 32;	chmod 640 perfmon;	chown root.kmem perfmon
+	;;
+
 local)
 	umask 0			# XXX should be elsewhere
 	sh MAKEDEV.local