Add instructions on how to determine the scheduler in use.

share/man/man9/sched_4bsd.9

@@ -1,4 +1,4 @@
-.\"     $NetBSD: sched_4bsd.9,v 1.8 2010/12/02 12:54:13 wiz Exp $
+.\"     $NetBSD: sched_4bsd.9,v 1.9 2019/04/09 13:53:52 sevan Exp $
 .\"
 .\" Copyright (c) 2002 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -27,7 +27,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd July 14, 2007
+.Dd April 9, 2019
 .Dt SCHED_4BSD 9
 .Os
 .Sh NAME
@@ -78,6 +78,12 @@ every Hz ticks in order to recompute the priorities of all threads.
 checks if an LWP has slept for more than one second.
 If so, its priority is updated by
 .Fn updatepri .
+.Sh EXAMPLES
+To determine the scheduler currently in use
+.Bd -literal -offset indent
+$ sysctl kern.sched.name
+kern.sched.name = 4.4BSD
+.Ed
 .Sh CODE REFERENCES
 The
 .Bx 4.4

share/man/man9/sched_m2.9

@@ -1,4 +1,4 @@
-.\"     $NetBSD: sched_m2.9,v 1.3 2010/12/02 12:54:13 wiz Exp $
+.\"     $NetBSD: sched_m2.9,v 1.4 2019/04/09 13:53:52 sevan Exp $
 .\"
 .\" Copyright (c) 2010 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -27,7 +27,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd March 5, 2010
+.Dd April 9, 2019
 .Dt SCHED_M2 9
 .Os
 .Sh NAME
@@ -38,6 +38,12 @@
 .Sh DESCRIPTION
 The M2 scheduler implements a scheduling algorithm similar to
 the scheduler implementations of UNIX System V Release 4 and Solaris.
+.Sh EXAMPLES
+To determine the scheduler currently in use
+.Bd -literal -offset indent
+$ sysctl kern.sched.name
+kern.sched.name = M2
+.Ed
 .Sh CODE REFERENCES
 The M2 scheduler is implemented within the file
 .Pa sys/kern/sched_m2.c .