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#!/bin/bash
# USAGE: ./performance_test <kit> <midimap> <midifile>
# This script needs JACK to be started or just starts it itself if it isn't.
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"
# check for right number of parameters
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 to check for dependencies
function check_for_dep
{
if ! command -v $1 >/dev/null 2>&1
then
echo "ERROR: Cannot find $1. Maybe it isn't installed?"
echo "Exiting..."
exit
fi
}
# check for drumgizmo
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 dependencies
check_for_dep gnuplot
check_for_dep top
# check for the existence of the passed files
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 "============================"
# initial data values
cpu_data=""
ram_data=""
data_count=0
avg_cpu_usage=0
# log ram and cpu usage of process
function logData
{
pid=$1
top_output="$(top -b -n 1 -p $pid | tail -n 1)"
top_arr=($top_output)
cpu_usage="${top_arr[6]}"
ram_usage="${top_arr[7]}"
cpu_data="${cpu_data}${data_count} ${cpu_usage}\n"
ram_data="${ram_data}${data_count} ${ram_usage}\n"
avg_cpu_usage="$(ps -p $pid -o %cpu | tail -n 1)"
data_count=$((data_count+1))
}
# gnuplot ram and cpu usage over time
function plotData
{
echo -e "$cpu_data" > $cpu_data_file
echo -e "$ram_data" > $ram_data_file
gnuplot performance_test.gnuplot > /dev/null 2>&1
}
# start dg
echo $kit
$dg_path/./drumgizmo -i midifile -I file="$midifile",midimap="$midimap" -o jackaudio "$kit" &
pid=$!
# collect data while dg is running
while ps -p $pid > /dev/null
do
logData $pid
sleep $sample_interval
done
# plot data
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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