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  1. #!/bin/bash
  2.  
  3. # trivial CPU speed tester
  4.  
  5. # usage
  6. # taskset -c PROCESSORID ./cputest.sh PROCESSID
  7. # examples:
  8. #
  9. # taskset -c 0 ./cputest.sh 0
  10. # taskset -c 4 ./cputest.sh 4
  11. #
  12. # taskset -c 0 ./cputest.sh 01
  13. # taskset -c 0 ./cputest.sh 02
  14.  
  15. trap ctrl_c INT
  16. function ctrl_c() {
  17.   #echo "Exiting..."
  18.   rm -f $TIMEFILE
  19.   exit
  20. }
  21.  
  22. MYID=$1
  23. TIMEFILE=/tmp/timeresult_$MYID
  24. TESTBIN=/usr/local/AS/bin/mathtest
  25. REPS=50
  26. ETIME=0
  27.  
  28. while true; do
  29.  ETIME="0"
  30.   for i in `seq 1 $REPS` ; do
  31.     echo "" | time -o $TIMEFILE -f "%e" $TESTBIN >/dev/null
  32.     STR="$ETIME+`cat $TIMEFILE`"
  33. #    echo str is $STR
  34.     ETIME="`echo $STR |bc`"
  35.   done
  36.  
  37.  OPSPERSEC=`echo "scale=2; $REPS/$ETIME" | bc`
  38.  echo proc id $MYID time $ETIME ops per sec $OPSPERSEC
  39.  
  40. done
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