#!/bin/bash

# trivial CPU speed tester

# usage
# taskset -c PROCESSORID ./cputest.sh PROCESSID
# examples:
#
# taskset -c 0 ./cputest.sh 0
# taskset -c 4 ./cputest.sh 4
#
# taskset -c 0 ./cputest.sh 01
# taskset -c 0 ./cputest.sh 02

trap ctrl_c INT
function ctrl_c() {
  #echo "Exiting..."
  rm -f $TIMEFILE
  exit
}

MYID=$1
TIMEFILE=/tmp/timeresult_$MYID
TESTBIN=/usr/local/AS/bin/mathtest
REPS=50
ETIME=0

while true; do
 ETIME="0"
  for i in `seq 1 $REPS` ; do
    echo "" | time -o $TIMEFILE -f "%e" $TESTBIN >/dev/null
    STR="$ETIME+`cat $TIMEFILE`"
#    echo str is $STR
    ETIME="`echo $STR |bc`"
  done

 OPSPERSEC=`echo "scale=2; $REPS/$ETIME" | bc`
 echo proc id $MYID time $ETIME ops per sec $OPSPERSEC

done