diff --git a/src/etc/MAKEDEV.common b/src/etc/MAKEDEV.common
index db19b2d4..1631f1b9 100644
--- a/src/etc/MAKEDEV.common
+++ b/src/etc/MAKEDEV.common
@@ -1,4 +1,4 @@
-vers(a, {-$OpenBSD: MAKEDEV.common,v 1.99 2018/07/28 08:09:50 ratchov Exp $-})dnl
+vers(a, {-$OpenBSD: MAKEDEV.common,v 1.100 2018/08/19 11:42:33 anton Exp $-})dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
 dnl
@@ -167,6 +167,7 @@ target(all, fuse)dnl
 target(all, vmm)dnl
 target(all, pvbus, 0, 1)dnl
 target(all, bpf)dnl
+target(all, kcov)dnl
 dnl
 _mkdev(all, {-all-}, {-dnl
 show_target(all)dnl
@@ -521,3 +522,5 @@ _mkdev(vmm, vmm, {-M vmm c major_vmm_c 0 600-})dnl
 __devitem(pvbus, pvbus*, paravirtual device tree root)dnl
 _mkdev(pvbus, {-pvbus*-}, {-M pvbus$U c major_pvbus_c $U 640-}, 640)dnl
 _mkdev(local, local, {-test -s $T.local && sh $T.local-})dnl
+__devitem(kcov, kcov, Kernel code coverage tracing)dnl
+_mkdev(kcov, kcov, {-M kcov c major_kcov_c 0 600-})dnl
diff --git a/src/etc/etc.amd64/MAKEDEV.md b/src/etc/etc.amd64/MAKEDEV.md
index cd915ec3..1aa4f673 100644
--- a/src/etc/etc.amd64/MAKEDEV.md
+++ b/src/etc/etc.amd64/MAKEDEV.md
@@ -1,6 +1,6 @@
 define(MACHINE,amd64)dnl
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.69 2016/09/11 19:59:53 deraadt Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.70 2018/08/19 11:42:33 anton Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -77,6 +77,7 @@ _DEV(hotplug, 82)
 _DEV(ipmi, 96)
 dnl _DEV(joy, 26)
 _DEV(nvram, 85)
+_DEV(kcov, 19)
 _DEV(pci, 72)
 _DEV(pctr, 46)
 _DEV(pf, 73)
diff --git a/src/etc/etc.i386/MAKEDEV.md b/src/etc/etc.i386/MAKEDEV.md
index c7f74ee5..a06b5039 100644
--- a/src/etc/etc.i386/MAKEDEV.md
+++ b/src/etc/etc.i386/MAKEDEV.md
@@ -1,6 +1,6 @@
 define(MACHINE,i386)dnl
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.83 2016/09/11 19:59:53 deraadt Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.84 2018/08/19 11:42:33 anton Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -78,6 +78,7 @@ _DEV(gpr, 80)
 _DEV(hotplug, 82)
 _DEV(ipmi, 96)
 _DEV(joy, 26)
+_DEV(kcov, 19)
 _DEV(nvram, 84)
 _DEV(pci, 72)
 _DEV(pctr, 46)