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cpu_freq
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2009-10-11
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#!/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/>.
if [ "$1" = "--detail" ]; then
cat /proc/cpuinfo
exit 0
fi
if [ -r "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq" ]; then
awk '{ printf "\005{=b cW}%.1f\005{-}\005{= cW}GHz\005{-} ", $1 / 1000000 }' /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
else
egrep -i -m 1 "^cpu MHz|^clock|^bogomips" /proc/cpuinfo | awk -F"[:.]" '{ printf "\005{=b cW}%.1f\005{-}\005{= cW}GHz\005{-} ", $2 / 1000 }'
fi