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

   1 #!/bin/bash
   2
   3 # This program is free software: you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2, or (at your option)
   6 # any later version.
   7
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  16 # 02110-1301, USA.
  17
  18 # Author/Copyright(c): 2009, Thomas Renninger <trenn@suse.de>, Novell Inc.
  19
  20 # Helper script to easily create nice plots of your cpufreq-bench results
  21
  22 dir=`mktemp -d`
  23 output_file="cpufreq-bench.png"
  24 global_title="cpufreq-bench plot"
  25 picture_type="jpeg"
  26 file[0]=""
  27
  28 function usage()
  29 {
  30     echo "cpufreq-bench_plot.sh [OPTIONS] logfile [measure_title] [logfile [measure_title]] ...]"
  31     echo
  32     echo "Options"
  33     echo "   -o output_file"
  34     echo "   -t global_title"
  35     echo "   -p picture_type [jpeg|gif|png|postscript|...]"
  36     exit 1
  37 }
  38
  39 if [ $# -eq 0 ];then
  40         echo "No benchmark results file provided"
  41         echo
  42         usage
  43 fi
  44
  45 while getopts o:t:p: name ; do
  46     case $name in
  47         o)
  48             output_file="$OPTARG".$picture_type
  49             ;;
  50         t)
  51             global_title="$OPTARG"
  52             ;;
  53         p)
  54             picture_type="$OPTARG"
  55             ;;
  56         ?)
  57             usage
  58             ;;
  59     esac
  60 done
  61 shift $(($OPTIND -1))
  62
  63 plots=0
  64 while [ "$1" ];do
  65     if [ ! -f "$1" ];then
  66         echo "File $1 does not exist"
  67         usage
  68     fi
  69     file[$plots]="$1"
  70     title[$plots]="$2"
  71     # echo "File: ${file[$plots]} - ${title[plots]}"
  72     shift;shift
  73     plots=$((plots + 1))
  74 done
  75
  76 echo "set terminal $picture_type"       >> $dir/plot_script.gpl
  77 echo "set output \"$output_file\""      >> $dir/plot_script.gpl
  78 echo "set title \"$global_title\""      >> $dir/plot_script.gpl
  79 echo "set xlabel \"sleep/load time\""   >> $dir/plot_script.gpl
  80 echo "set ylabel \"Performance (%)\""   >> $dir/plot_script.gpl
  81
  82 for((plot=0;plot<$plots;plot++));do
  83
  84     # Sanity check
  85     ###### I am to dump to get this redirected to stderr/stdout in one awk call... #####
  86     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}'
  87     ###### I am to dump to get this redirected in one awk call... #####
  88
  89     # Parse out load time (which must be equal to sleep time for a plot), divide it by 1000
  90     # to get ms and parse out the performance in percentage and write it to a temp file for plotting
  91     cat ${file[$plot]} |grep -v "^#" |awk '{printf "%lu %.1f\n",$2/1000, $6}' >$dir/data_$plot
  92
  93     if [ $plot -eq 0 ];then
  94         echo -n "plot " >> $dir/plot_script.gpl
  95     fi
  96     echo -n "\"$dir/data_$plot\" title \"${title[$plot]}\" with lines" >> $dir/plot_script.gpl
  97     if [ $(($plot + 1)) -ne $plots ];then
  98         echo -n ", " >> $dir/plot_script.gpl
  99     fi
 100 done
 101 echo >> $dir/plot_script.gpl
 102
 103 gnuplot $dir/plot_script.gpl
 104 rm -r $dir