Index: head/sys/arm/conf/TEGRA124
===================================================================
--- head/sys/arm/conf/TEGRA124
+++ head/sys/arm/conf/TEGRA124
@@ -154,4 +154,3 @@
 # SoC-specific devices
 
 #device  	hwpmc
-#options 	HWPMC_HOOKS
Index: head/sys/arm/conf/std.armv6
===================================================================
--- head/sys/arm/conf/std.armv6
+++ head/sys/arm/conf/std.armv6
@@ -36,6 +36,7 @@
 options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
 options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
 options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
+options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
 options 	FREEBSD_BOOT_LOADER	# Process metadata passed from loader(8)
 options 	VFP			# Enable floating point hardware support