#!/bin/bash

#
# StarPU
# Copyright (C) Université Bordeaux 1, CNRS 2008-2010 (see AUTHORS file)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# See the GNU Lesser General Public License in COPYING.LGPL for more details.
#

# TODO display help if -h is passed

# The input file must be generated by the fxt_tool command
inputfile_with_counters=$1

# We extract the counters out of the input file
inputfile=.$inputfile_with_counters.activity
inputfile_cnt_ready=.$1.cnt_ready
inputfile_cnt_submitted=.$1.cnt_submitted
set_profiling_list=.$1.set_profiling_list
names=.$1.names

grep "^set_profiling" $inputfile_with_counters > $set_profiling_list
grep "0$" $set_profiling_list | cut -f 2 | sort -n > $set_profiling_list.disable
grep "1$" $set_profiling_list | cut -f 2 | sort -n > $set_profiling_list.enable

grep "^name" $inputfile_with_counters > $names

grep -v "^cnt" $inputfile_with_counters | grep -v "^set_profiling" | grep -v "^name" > $inputfile
grep "^cnt_ready" $inputfile_with_counters > $inputfile_cnt_ready
grep "^cnt_submitted" $inputfile_with_counters > $inputfile_cnt_submitted

# Count the number of workers in the trace
workers=`cut -f1 $inputfile | sort -n | uniq`
nworkers=`cut -f1 $inputfile | sort -n | uniq|wc -l`

# size of the entire graph
width=1.5
heigth=0.40
total_heigth=$(echo "$heigth + ($heigth * $nworkers)"|bc -l)

# In case 3 arguments are provided, the 2nd (resp. 3rd) indicates the start
# (resp. the end) of the interval to be displayed.
if [ $# -ge 3 ]; then
starttime=$2
endtime=$3
else
#if profiling is explicitely enabled (resp. disabled) at some point, we set the
# default start (rest. end) point when we enable (resp. disable) profiling for
# the first time.
profiling_enable_cnt=`wc -l $set_profiling_list.enable|sed -e "s/\(.*\) .*/\1/"`
if [ $profiling_enable_cnt -ge 1 ]; then
starttime=`head -1 $set_profiling_list.enable`
else
starttime=$(cut -f 2 $inputfile |sort -n|head -1)
fi

# TODO test if last disable > first enable

profiling_disable_cnt=$(wc -l $set_profiling_list.disable|sed -e "s/\(.*\) .*/\1/")
if [ $profiling_disable_cnt -ge 1 ]; then
endtime=`tail -1 $set_profiling_list.disable`
else
endtime=$(cut -f 2 $inputfile |sort -n|tail -1)
fi

# The values in the file are in ms, we display seconds
starttime=$(echo "$starttime * 0.001 "| bc -l)
endtime=$(echo "$endtime * 0.001 "| bc -l)

fi

echo "START $starttime END $endtime"

# Gnuplot header
cat > gnuplotcmd << EOF
set term postscript eps enhanced color
set output "activity.eps"
set xrange [$starttime:$endtime]
set size $width,$total_heigth
set multiplot;

set origin 0.0,0.0;
set size $width,$heigth;

set logscale y

plot "$inputfile_cnt_submitted" using (\$2/1000):3 with filledcurves lt rgb "#999999" title "submitted",\
	"$inputfile_cnt_ready" using (\$2/1000):3 with filledcurves lt rgb "#000000" title "ready"

set nologscale y

EOF

cnt=0
for worker in $workers
do
	grep "^$worker" $inputfile > .tmp.$worker

	starty=$(echo "$heigth + ($heigth * $cnt)"|bc -l)

cat >> gnuplotcmd << EOF

set origin 0.0,$starty;
set size $width,$heigth;

set key off

set yrange [0:100]

set ylabel "$(cut -f2- $names |grep "^$worker" | cut -f2)"

plot ".tmp.$worker" using (\$2/1000):(100) with filledcurves y1=0.0 lt rgb "#000000" notitle,\
	 ".tmp.$worker" using (\$2/1000):((100*(\$4+\$5))/\$3) with filledcurves y1=0.0 lt rgb "#ff0000" notitle,\
	 ".tmp.$worker" using (\$2/1000):((100*\$4)/\$3) with filledcurves y1=0.0 lt rgb "#00ff00" notitle
EOF

	cnt=$(($cnt+1))	
done


cat >> gnuplotcmd << EOF
unset multiplot
EOF

gnuplot < gnuplotcmd

rm gnuplotcmd
rm $inputfile
rm $inputfile_cnt_ready
rm $inputfile_cnt_submitted

rm $set_profiling_list
rm $set_profiling_list.enable
rm $set_profiling_list.disable

#rm $names

for worker in $workers
do
	rm .tmp.$worker
done
