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#!/bin/sh
#
# This script is an almost total rewrite by Louwrentius
# of the original fio_generate_plots script provided as part of the FIO storage
# benchmark utiliy. I only retained how GNUplot is used to generate graphs, as
# that is something I know nothing about.
#
# The script uses the files generated by FIO to create nice graphs in the
# SVG format. This output format is supported by most modern browsers and
# allows resolution independent graphs to be generated.
#
# This script supports GNUPLOT 4.4 and higher.
#
# Version 1.0 @ 20121231
#
#
#
if [ -z "$1" ]; then
echo "Usage: fio_generate_plots subtitle [xres yres]"
exit 1
fi
GNUPLOT=$(command -v gnuplot)
if [ ! -x "$GNUPLOT" ]
then
echo You need gnuplot installed to generate graphs
exit 1
fi
TITLE="$1"
# set resolution
if [ ! -z "$2" ] && [ ! -z "$3" ]
then
XRES="$2"
YRES="$3"
else
XRES=1280
YRES=768
fi
if [ -z "$SAMPLE_DURATION" ]
then
SAMPLE_DURATION="*"
fi
DEFAULT_GRID_LINE_TYPE=3
DEFAULT_LINE_WIDTH=2
DEFAULT_LINE_COLORS="
set object 1 rectangle from screen 0,0 to screen 1,1 fillcolor rgb\"#ffffff\" behind
set style line 1 lc rgb \"#E41A1C\" lw $DEFAULT_LINE_WIDTH lt 1;
set style line 2 lc rgb \"#377EB8\" lw $DEFAULT_LINE_WIDTH lt 1;
set style line 3 lc rgb \"#4DAF4A\" lw $DEFAULT_LINE_WIDTH lt 1;
set style line 4 lc rgb \"#984EA3\" lw $DEFAULT_LINE_WIDTH lt 1;
set style line 5 lc rgb \"#FF7F00\" lw $DEFAULT_LINE_WIDTH lt 1;
set style line 6 lc rgb \"#DADA33\" lw $DEFAULT_LINE_WIDTH lt 1;
set style line 7 lc rgb \"#A65628\" lw $DEFAULT_LINE_WIDTH lt 1;
set style line 20 lc rgb \"#000000\" lt $DEFAULT_GRID_LINE_TYPE lw $DEFAULT_LINE_WIDTH;
"
DEFAULT_TERMINAL="set terminal svg enhanced dashed size $XRES,$YRES dynamic"
DEFAULT_TITLE_FONT="\"Helvetica,28\""
DEFAULT_AXIS_FONT="\"Helvetica,14\""
DEFAULT_AXIS_LABEL_FONT="\"Helvetica,16\""
DEFAULT_XLABEL="set xlabel \"Time (sec)\" font $DEFAULT_AXIS_LABEL_FONT"
DEFAULT_XTIC="set xtics font $DEFAULT_AXIS_FONT"
DEFAULT_YTIC="set ytics font $DEFAULT_AXIS_FONT"
DEFAULT_MXTIC="set mxtics 0"
DEFAULT_MYTIC="set mytics 2"
DEFAULT_XRANGE="set xrange [0:$SAMPLE_DURATION]"
DEFAULT_YRANGE="set yrange [0:*]"
DEFAULT_GRID="set grid ls 20"
DEFAULT_KEY="set key outside bottom center ; set key box enhanced spacing 2.0 samplen 3 horizontal width 4 height 1.2 "
DEFAULT_SOURCE="set label 30 \"Data source: http://example.com\" font $DEFAULT_AXIS_FONT tc rgb \"#00000f\" at screen 0.976,0.175 right"
DEFAULT_OPTS="$DEFAULT_LINE_COLORS ; $DEFAULT_GRID_LINE ; $DEFAULT_GRID ; $DEFAULT_GRID_MINOR ; $DEFAULT_XLABEL ; $DEFAULT_XRANGE ; $DEFAULT_YRANGE ; $DEFAULT_XTIC ; $DEFAULT_YTIC ; $DEFAULT_MXTIC ; $DEFAULT_MYTIC ; $DEFAULT_KEY ; $DEFAULT_TERMINAL ; $DEFAULT_SOURCE"
plot () {
if [ -z "$TITLE" ]
then
PLOT_TITLE=" set title \"$1\" font $DEFAULT_TITLE_FONT"
else
PLOT_TITLE=" set title \"$TITLE\\\n\\\n{/*0.6 "$1"}\" font $DEFAULT_TITLE_FONT"
fi
FILETYPE="$2"
YAXIS="set ylabel \"$3\" font $DEFAULT_AXIS_LABEL_FONT"
SCALE=$4
echo "Title: $PLOT_TITLE"
echo "File type: $FILETYPE"
echo "yaxis: $YAXIS"
i=0
for x in *_"$FILETYPE".log *_"$FILETYPE".*.log
do
if [ -e "$x" ]; then
i=$((i+1))
PT=$(echo $x | sed 's/\(.*\)_'$FILETYPE'\(.*\).log$/\1\2/')
if [ ! -z "$PLOT_LINE" ]
then
PLOT_LINE=$PLOT_LINE", "
fi
DEPTH=$(echo $PT | cut -d "-" -f 4)
PLOT_LINE=$PLOT_LINE"'$x' using (\$1/1000):(\$2/$SCALE) title \"Queue depth $DEPTH\" with lines ls $i"
fi
done
if [ $i -eq 0 ]; then
echo "No log files found"
exit 1
fi
OUTPUT="set output \"$TITLE-$FILETYPE.svg\" "
echo " $PLOT_TITLE ; $YAXIS ; $DEFAULT_OPTS ; show style lines ; $OUTPUT ; plot " $PLOT_LINE | $GNUPLOT -
unset PLOT_LINE
}
#
# plot <sub title> <file name tag> <y axis label> <y axis scale>
#
plot "I/O Latency" lat "Time (msec)" 1000000
plot "I/O Operations Per Second" iops "IOPS" 1
plot "I/O Submission Latency" slat "Time (μsec)" 1000
plot "I/O Completion Latency" clat "Time (msec)" 1000000
plot "I/O Bandwidth" bw "Throughput (KB/s)" 1
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