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#!/bin/bash
test_dir=$(dirname $0)
cd $test_dir
dg_path="../../drumgizmo"
sample_interval=.5
cpu_plot_file="cpu_plot"
ram_plot_file="ram_plot"
cpu_data_file="cpu_data.dat"
ram_data_file="ram_data.dat"
dg_log_file="drumgizmo.log"
if [[ $# != 3 ]]
then
echo "ERROR: You didn't supply the right number of parameters."
echo "USAGE: ./performance_test <kit> <midimap> <midifile>"
echo "Exiting..."
exit
fi
kit="$1"
midimap="$2"
midifile="$3"
function check_for_deps
{
for dep in "$@"
do
if ! command -v $dep >/dev/null 2>&1
then
echo "ERROR: Cannot find ${dep}. Maybe it isn't installed?"
echo "Exiting..."
exit
fi
done
}
if ! [ -e $dg_path/drumgizmo ]
then
echo "ERROR: The drumgizmo binary doesn't exist. Maybe you forgot to compile?"
echo "Exiting..."
exit
fi
check_for_deps gnuplot top awk
if ! [ -e "$1" ] || ! [ -e "$2" ] || ! [ -e "$3" ]
then
echo "ERROR: One of the files (kit/midimap/midfile) doesn't exist."
echo "Exiting..."
exit
fi
echo "============================"
echo "Starting the performace test"
echo "============================"
echo
cpu_data=""
ram_data=""
avg_cpu_usage=""
time_elapsed=0
function logData
{
function get_position
{
word="$1"
line=($2)
count=0
for w in "${line[@]}"
do
if [ "$w" == "$word" ]
then
echo "$count"
return
fi
count=$(($count+1))
done
echo "-1"
}
pid=$1
top_output_labels="$(top -b -n 1 -p $pid | grep "^[ ]*PID")"
top_output_values="$(top -b -n 1 -p $pid | grep "^[ ]*$pid")"
if [ "$top_output_values" != "" ]
then
top_arr=($top_output_values)
cpu_pos=$(get_position "%CPU" "$top_output_labels")
ram_pos=$(get_position "%MEM" "$top_output_labels")
if [ "$cpu_pos" == "-1" ] || [ "$ram_pos" == "-1" ]
then
echo "The top output doesn't look like expected."
echo "Exiting..."
exit
fi
cpu_usage="${top_arr[$cpu_pos]}"
ram_usage="${top_arr[$ram_pos]}"
cpu_data="${cpu_data}${time_elapsed} ${cpu_usage}\n"
ram_data="${ram_data}${time_elapsed} ${ram_usage}\n"
fi
avg_cpu_usage_candidate="$(ps -p $pid -o %cpu | grep "^[ ]*[0-9][0-9]*")"
if [ avg_cpu_usage_candidate != "" ]; then avg_cpu_usage=$avg_cpu_usage_candidate; fi
time_elapsed="$(awk "BEGIN {print $time_elapsed+$sample_interval; exit}")"
}
function plotData
{
echo -e "$cpu_data" > $cpu_data_file
echo -e "$ram_data" > $ram_data_file
gnuplot performance_test.gnuplot > /dev/null 2>&1
}
echo "The terminal output of drumgizmo is routed to ${dg_log_file}"
$dg_path/./drumgizmo -i midifile -I file="$midifile",midimap="$midimap" -o jackaudio "$kit" > $dg_log_file 2>&1 &
pid=$!
echo "Collecting the data now. That might take a while..."
while ps -p $pid > /dev/null
do
logData $pid
sleep $sample_interval
done
plotData
echo
echo "-------------------------------------------------------------------"
echo "The average CPU usage was: ${avg_cpu_usage}%"
echo "See the data files $cpu_data_file and $ram_data_file for details."
echo "They are nicely plotted in cpu_data.png and ram_data.png."
echo "-------------------------------------------------------------------"
echo
echo "============================"
echo "Finished the performace test"
echo "============================"
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