#!/bin/sh -e
#
#    cpu_freq: calculate current cpu frequency
#    Copyright (C) 2008 Canonical Ltd.
#
#    Authors: Dustin Kirkland <kirkland@canonical.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/>.

PKG="byobu"
color 2>/dev/null || color() { true; }

if [ "$1" = "--detail" ]; then
	cat /proc/cpuinfo
	exit 0
fi

if [ -r "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq" ]; then
	freq=$(awk '{ printf "%.1f", $1 / 1000000 }' /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq)
else
	freq=$(egrep -i -m 1 "^cpu MHz|^clock|^bogomips" /proc/cpuinfo | awk -F"[:.]" '{ printf "%.1f", $2 / 1000 }')
fi
printf "$(color b c W)%s$(color -)$(color c W)%s$(color -) " "$freq" "GHz"