#!/bin/bash # Save path the current path that will be used to store the results. BASE_PATH=$(pwd) # Variable to store the name of the benchmark BENCH_NAME=$1 # Local variable to store if cpu or gpu directed benchmark TYPE=$2 # A bit of debug info to the user echo "We are executing the benchmark $BENCH_NAME for $TYPE" # Check if we need to create the directories to store the results if [ ! -d "results" ]; then mkdir results fi if [ ! -d "results/$TYPE" ]; then mkdir results/$TYPE fi # Start power measurement ./SmartPower results/$TYPE/power-usage.csv >/dev/null & export PID_POWER=$! # Enter in the directory of the benchmarks cd $BENCH_NAME # Start and time the actual benchmark and save the result in a local variable BENCH_TIME=`(/usr/bin/time -f "%e" ./run-$TYPE) 2>&1 > /dev/zero | tail -1` # Stop power measurement kill -SIGUSR1 $PID_POWER # Wait until the Smartpower utility has received the kill signal and force a sync on the disk to avoid reading the previous result from the result file sleep 10 && sync # A bit of debug info to the user echo "Saving the results and preparing for the next benchmark" # Prepare a log that contains all the info relative to a benchmark # To retrieve the power measurement we take the third column of the last row from the file where the measurement utility has saved the results BENCH_CONSUMPTION=`tail -1 $BASE_PATH/results/$TYPE/power-usage.csv | awk '{print $3}' | cut -d, -f2` echo "$BENCH_NAME, $BENCH_TIME, $BENCH_CONSUMPTION" >> $BASE_PATH/results/$TYPE/total.dat # Sleep in order to give time to the power measurement script to reset. sleep 3 # Add an additional SIGKILL to avoid zombie processes in case of a faulty measurement, we ignore the standard output/error and we always succeed, otherwise make will complain kill -SIGKILL $PID_POWER >/dev/null 2>&1 > /dev/null || true # Sleep in order to give time to the power measurement script to reset and to dissipate the heat accumuled in the previous benchmark. sleep 3