1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0-or-later
3
4
5# Author/Copyright(c): 2009, Thomas Renninger <trenn@suse.de>, Novell Inc.
6
7# Helper script to easily create nice plots of your cpufreq-bench results
8
9dir=`mktemp -d`
10output_file="cpufreq-bench.png"
11global_title="cpufreq-bench plot"
12picture_type="jpeg"
13file[0]=""
14
15function usage()
16{
17    echo "cpufreq-bench_plot.sh [OPTIONS] logfile [measure_title] [logfile [measure_title]] ...]"
18    echo
19    echo "Options"
20    echo "   -o output_file"
21    echo "   -t global_title"
22    echo "   -p picture_type [jpeg|gif|png|postscript|...]"
23    exit 1
24}
25
26if [ $# -eq 0 ];then
27	echo "No benchmark results file provided"
28	echo
29	usage
30fi
31
32while getopts o:t:p: name ; do
33    case $name in
34	o)
35	    output_file="$OPTARG".$picture_type
36	    ;;
37	t)
38	    global_title="$OPTARG"
39	    ;;
40	p)
41	    picture_type="$OPTARG"
42	    ;;
43        ?)
44	    usage
45	    ;;
46    esac
47done
48shift $(($OPTIND -1))
49
50plots=0
51while [ "$1" ];do
52    if [ ! -f "$1" ];then
53	echo "File $1 does not exist"
54	usage
55    fi
56    file[$plots]="$1"
57    title[$plots]="$2"
58    # echo "File: ${file[$plots]} - ${title[plots]}"
59    shift;shift
60    plots=$((plots + 1))
61done
62
63echo "set terminal $picture_type"	>> $dir/plot_script.gpl
64echo "set output \"$output_file\""	>> $dir/plot_script.gpl
65echo "set title \"$global_title\""	>> $dir/plot_script.gpl
66echo "set xlabel \"sleep/load time\""	>> $dir/plot_script.gpl
67echo "set ylabel \"Performance (%)\""	>> $dir/plot_script.gpl
68
69for((plot=0;plot<$plots;plot++));do
70
71    # Sanity check
72    ###### I am to dump to get this redirected to stderr/stdout in one awk call... #####
73    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}'
74    ###### I am to dump to get this redirected in one awk call... #####
75
76    # Parse out load time (which must be equal to sleep time for a plot), divide it by 1000
77    # to get ms and parse out the performance in percentage and write it to a temp file for plotting
78    cat ${file[$plot]} |grep -v "^#" |awk '{printf "%lu %.1f\n",$2/1000, $6}' >$dir/data_$plot
79
80    if [ $plot -eq 0 ];then
81	echo -n "plot " >> $dir/plot_script.gpl
82    fi
83    echo -n "\"$dir/data_$plot\" title \"${title[$plot]}\" with lines" >> $dir/plot_script.gpl
84    if [ $(($plot + 1)) -ne $plots ];then
85	echo -n ", " >> $dir/plot_script.gpl
86    fi
87done
88echo >> $dir/plot_script.gpl
89
90gnuplot $dir/plot_script.gpl
91rm -r $dir
92