50 lines
1.8 KiB
Bash
Executable File
50 lines
1.8 KiB
Bash
Executable File
#!/bin/sh -e
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#
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# cpu_freq: calculate current cpu frequency
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#
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# Copyright (C) 2008 Canonical Ltd.
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# Copyright (C) 2011-2014 Dustin Kirkland
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#
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# Authors: Dustin Kirkland <kirkland@byobu.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 3 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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__cpu_freq_detail() {
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cat /proc/cpuinfo
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}
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__cpu_freq() {
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local hz freq count
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if [ -r "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq" ]; then
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read hz < /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
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fpdiv $hz "1000000" 1 # 1Ghz
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freq="$_RET"
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elif [ -r "/proc/cpuinfo" ]; then
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if egrep -q -s -i -m 1 "^cpu MHz|^clock" /proc/cpuinfo; then
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freq=$(egrep -i -m 1 "^cpu MHz|^clock" /proc/cpuinfo | awk -F"[:.]" '{ printf "%01.1f", $2 / 1000 }')
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else
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# Must scale frequency by number of processors, if counting bogomips
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count=$(getconf _NPROCESSORS_ONLN 2>/dev/null || grep -ci "^processor" /proc/cpuinfo)
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freq=$(egrep -i -m 1 "^bogomips" /proc/cpuinfo | awk -F"[:.]" '{ print $2 }')
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freq=$(printf "%s %s" "$freq" "$count" | awk '{printf "%01.1f\n", $1/$2/1000}')
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fi
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elif hz=$(sysctl -n hw.cpufrequency 2>/dev/null); then
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fpdiv $hz "1000000000" 1 # 1Ghz
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freq="$_RET"
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fi
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[ -n "$freq" ] || return
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color b c W; printf "%s" "$freq"; color -; color c W; printf "%s" "$ICON_GHz"; color --
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}
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# vi: syntax=sh ts=4 noexpandtab
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