/usr/share/byobu/tests/byobu-time-notifications is in byobu 5.125-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48  | #!/bin/bash
#
#    byobu-time-notifications: performance testing of byobu's status scripts
#
#    Copyright (C) 2009 Canonical Ltd.
#
#    Authors: Dustin Kirkland <kirkland@byobu.org>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, version 3 of the License.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
PKG=byobu
RUNS=100
[ -z "$BYOBU_PREFIX" ] && BYOBU_PREFIX="/usr"
export BYOBU_PREFIX
loop() {
	for j in $(seq 1 $RUNS); do
		usr/lib/$PKG/$1 >/dev/null 2>&1
	done
}
TIMEFORMAT="%R"
if [ -n "$1" ]; then
	list="$1"
else
	list=$(ls /usr/lib/$PKG/)
fi
for i in $list; do
	case "$i" in
		notify_osd)
			continue
		;;
	esac
	freq=`grep "byobu-status $i$" /usr/share/$PKG/profiles/common | awk '{print $3}'`
	printf "%s" "$i $freq "
	time loop $i
done
 |