/usr/lib/byobu/cpu_freq is in byobu 5.17-0ubuntu1.
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 | #!/bin/sh -e
#
# cpu_freq: calculate current cpu frequency
#
# Copyright (C) 2008 Canonical Ltd.
# Copyright (C) 2011 Dustin Kirkland
#
# Authors: Dustin Kirkland <kirkland@ubuntu.com>
#
# 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/>.
__cpu_freq_detail() {
cat /proc/cpuinfo
}
__cpu_freq() {
local hz freq count
if [ -r "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq" ]; then
read hz < /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
fpdiv $hz "1000000" 1 # 1Ghz
freq="$_RET"
else
if egrep -q -s -i -m 1 "^cpu MHz|^clock" /proc/cpuinfo; then
freq=$(egrep -i -m 1 "^cpu MHz|^clock" /proc/cpuinfo | awk -F"[:.]" '{ printf "%01.1f", $2 / 1000 }')
else
# Must scale frequency by number of processors, if counting bogomips
count=$(getconf _NPROCESSORS_ONLN 2>/dev/null || grep -ci "^processor" /proc/cpuinfo)
freq=$(egrep -i -m 1 "^bogomips" /proc/cpuinfo | awk -F"[:.]" '{ print $2 }')
freq=$(printf "%s %s" "$freq" "$count" | awk '{printf "%01.1f\n", $1/$2/1000}')
fi
fi
[ -n "$freq" ] || return
color b c W; printf "%s" "$freq"; color -; color c W; printf "%s" "$ICON_GHz"; color --
}
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