kernel/tools/power/cpupower/bench/cpufreq-bench_plot.sh
2024-07-22 17:22:30 +08:00

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Author/Copyright(c): 2009, Thomas Renninger <trenn@suse.de>, Novell Inc.
# Helper script to easily create nice plots of your cpufreq-bench results
dir=`mktemp -d`
output_file="cpufreq-bench.png"
global_title="cpufreq-bench plot"
picture_type="jpeg"
file[0]=""
function usage()
{
echo "cpufreq-bench_plot.sh [OPTIONS] logfile [measure_title] [logfile [measure_title]] ...]"
echo
echo "Options"
echo " -o output_file"
echo " -t global_title"
echo " -p picture_type [jpeg|gif|png|postscript|...]"
exit 1
}
if [ $# -eq 0 ];then
echo "No benchmark results file provided"
echo
usage
fi
while getopts o:t:p: name ; do
case $name in
o)
output_file="$OPTARG".$picture_type
;;
t)
global_title="$OPTARG"
;;
p)
picture_type="$OPTARG"
;;
?)
usage
;;
esac
done
shift $(($OPTIND -1))
plots=0
while [ "$1" ];do
if [ ! -f "$1" ];then
echo "File $1 does not exist"
usage
fi
file[$plots]="$1"
title[$plots]="$2"
# echo "File: ${file[$plots]} - ${title[plots]}"
shift;shift
plots=$((plots + 1))
done
echo "set terminal $picture_type" >> $dir/plot_script.gpl
echo "set output \"$output_file\"" >> $dir/plot_script.gpl
echo "set title \"$global_title\"" >> $dir/plot_script.gpl
echo "set xlabel \"sleep/load time\"" >> $dir/plot_script.gpl
echo "set ylabel \"Performance (%)\"" >> $dir/plot_script.gpl
for((plot=0;plot<$plots;plot++));do
# Sanity check
###### I am to dump to get this redirected to stderr/stdout in one awk call... #####
cat ${file[$plot]} |grep -v "^#" |awk '{if ($2 != $3) printf("Error in measure %d:Load time %s does not equal sleep time %s, plot will not be correct\n", $1, $2, $3); ERR=1}'
###### I am to dump to get this redirected in one awk call... #####
# Parse out load time (which must be equal to sleep time for a plot), divide it by 1000
# to get ms and parse out the performance in percentage and write it to a temp file for plotting
cat ${file[$plot]} |grep -v "^#" |awk '{printf "%lu %.1f\n",$2/1000, $6}' >$dir/data_$plot
if [ $plot -eq 0 ];then
echo -n "plot " >> $dir/plot_script.gpl
fi
echo -n "\"$dir/data_$plot\" title \"${title[$plot]}\" with lines" >> $dir/plot_script.gpl
if [ $(($plot + 1)) -ne $plots ];then
echo -n ", " >> $dir/plot_script.gpl
fi
done
echo >> $dir/plot_script.gpl
gnuplot $dir/plot_script.gpl
rm -r $dir