1 files changed, 91 insertions, 0 deletions
diff --git a/tools/power/cpupower/bench/cpufreq-bench_plot.sh b/tools/power/cpupower/bench/cpufreq-bench_plot.sh
new file mode 100644
index 000000000..f5f8b3c8f
--- /dev/null
+++ b/tools/power/cpupower/bench/cpufreq-bench_plot.sh
@@ -0,0 +1,91 @@
+#!/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