tools/power/cpupower/bench/cpufreq-bench_plot.sh

   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
   9 dir=`mktemp -d`
  10 output_file="cpufreq-bench.png"
  11 global_title="cpufreq-bench plot"
  12 picture_type="jpeg"
  13 file[0]=""
  14
  15 function 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
  26 if [ $# -eq 0 ];then
  27         echo "No benchmark results file provided"
  28         echo
  29         usage
  30 fi
  31
  32 while 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
  47 done
  48 shift $(($OPTIND -1))
  49
  50 plots=0
  51 while [ "$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))
  61 done
  62
  63 echo "set terminal $picture_type"       >> $dir/plot_script.gpl
  64 echo "set output \"$output_file\""      >> $dir/plot_script.gpl
  65 echo "set title \"$global_title\""      >> $dir/plot_script.gpl
  66 echo "set xlabel \"sleep/load time\""   >> $dir/plot_script.gpl
  67 echo "set ylabel \"Performance (%)\""   >> $dir/plot_script.gpl
  68
  69 for((plot=0;plot<$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
  87 done
  88 echo >> $dir/plot_script.gpl
  89
  90 gnuplot $dir/plot_script.gpl
  91 rm -r $dir