D30815.id91059.diff
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	Index: share/man/man9/hz.9
	===================================================================
	--- share/man/man9/hz.9
	+++ share/man/man9/hz.9
	@@ -36,7 +36,7 @@
	.Pp
	.Vt extern int hz;
	.Vt extern int tick;
	-.Vt extern int stathz; /* deprecated */
	+.Vt extern int stathz;
	.Vt extern int profhz; /* deprecated */
	.Sh DESCRIPTION
	.Fx
	@@ -56,12 +56,19 @@
	.Va hz
	times per second.
	.Pp
	-The second clock, running at either
	-.Va stathz
	-or
	+The second clock, effectively running at either
	+.Va stathz ,
	+is used to gather statistics on the system, its processes, etc.
	+It computes values for
	+.Xr getrusage 2
	+and statistics displayed by
	+.Xr ps 1
	+and
	+.Xr top 1 .
	+.Pp
	+The historical use of
	.Va profhz
	-was used to gather timing statistics, but has been replaced with the more
	-functional
	+to gather timing statistics has been replaced with the more functional
	.Xr hwpmc 4 .
	These values are returned for
	.Qq compatibility
	@@ -88,6 +95,15 @@
	from
	.Xr sysctl 8 .
	.Pp
	+The current global and per-CPU CPU time usage is returned to the user in units
	+of 1 /
	+.Va stathz
	+ticks in the
	+.Sy kern.cp_time
	+and
	+.Sy kern.cp_times
	+sysctl MIBs.
	+.Pp
	The
	.Va hz
	rate may be overridden by defining