Index: branches/releng-9/nanobsd/files/etc/rc.conf
===================================================================
--- branches/releng-9/nanobsd/files/etc/rc.conf	(revision 12219)
+++ branches/releng-9/nanobsd/files/etc/rc.conf	(revision 12334)
@@ -68,4 +68,7 @@
 snmpd_flags="-Ls 1"
 
+# Performance profiling
+iperf_enable="YES"
+
 # HTTP(S) proxy server
 tinyproxy_enable="NO"
Index: branches/releng-9/nanobsd/files/etc/rc.d/iperf
===================================================================
--- branches/releng-9/nanobsd/files/etc/rc.d/iperf	(revision 12334)
+++ branches/releng-9/nanobsd/files/etc/rc.d/iperf	(revision 12334)
@@ -0,0 +1,32 @@
+#!/bin/sh
+#
+# PROVIDE: iperf
+# BEFORE: DAEMON
+# KEYWORD: shutdown
+#
+# Add the following line to /etc/rc.conf to enable iperf in server mode:
+#
+# iperf_enable="YES"
+#
+. /etc/rc.subr
+
+name=iperf
+rcvar=`set_rcvar`
+
+#command=/usr/local/bin/iperf
+#command_args="-s -D"
+
+load_rc_config ${name}
+
+iperf_enable=${iperf_enable-"NO"}
+
+####
+# iperf does not generate a pid file
+# iperf_pidfile=${iperf_pidfile-"/var/run/.pid"}
+# pidfile="${iperf_pidfile}"
+
+# Quick to start iperf in deamon mode and make sure logfiles get writting in
+# parseable way
+start_cmd="sh -c 'iperf -s -D -y c 1>>/var/log/iperf.log 2>>/var/log/iperf.log'"
+
+run_rc_command "$1"