lustre/tests/racer/racer.sh

   1 #!/bin/bash
   2 #set -x
   3
   4 MAX_FILES=${MAX_FILES:-20}
   5 DIR=${DIR:-$1}
   6 DIR=${DIR:-"/mnt/lustre/racer"}
   7 DURATION=${DURATION:-$((60*5))}
   8
   9 NUM_THREADS=${NUM_THREADS:-$2}
  10 NUM_THREADS=${NUM_THREADS:-3}
  11
  12 mkdir -p $DIR
  13
  14 RACER_PROGS="file_create dir_create file_rm file_rename file_link file_symlink \
  15 file_list file_concat file_exec"
  16
  17 racer_cleanup()
  18 {
  19         echo "racer cleanup"
  20         for P in $RACER_PROGS; do
  21                 killall $P.sh
  22         done
  23         trap 0
  24
  25         local TOT_WAIT=0
  26         local MAX_WAIT=$DURATION
  27         local SHORT_WAIT=5
  28
  29         local rc
  30         while [[ $TOT_WAIT -le $MAX_WAIT ]]; do
  31                 rc=0
  32                 echo sleeping $SHORT_WAIT sec ...
  33                 sleep $SHORT_WAIT
  34                 # this only checks whether processes exist
  35                 for P in $RACER_PROGS; do
  36                         killall -0 $P.sh
  37                         [[ $? -eq 0 ]] && (( rc+=1 ))
  38                 done
  39                 if [[ $rc -eq 0 ]]; then
  40                         echo there should be NO racer processes:
  41                         ps aux | grep -E "${RACER_PROGS// /|}"
  42                         return 0
  43                 fi
  44                 echo -n "Waited $(( TOT_WAIT + SHORT_WAIT)), rc=$rc "
  45                 (( SHORT_WAIT+=SHORT_WAIT ))
  46                 (( TOT_WAIT+=SHORT_WAIT ))
  47         done
  48         ps aux | grep -E "${RACER_PROGS// /|}"
  49         return 1
  50 }
  51
  52 RC=0
  53
  54 echo "Running $0 for $DURATION seconds. CTRL-C to exit"
  55 trap "
  56         echo \"Cleaning up\"
  57         racer_cleanup
  58         exit 0
  59 " INT TERM
  60
  61 cd `dirname $0`
  62 for N in `seq 1 $NUM_THREADS`; do
  63         for P in $RACER_PROGS; do
  64                 ./$P.sh $DIR $MAX_FILES &
  65         done
  66 done
  67
  68 sleep $DURATION
  69 racer_cleanup || RC=$?
  70
  71 # Check our to see whether our test DIR is still available.
  72 df $DIR
  73 (( RC+=$? ))
  74 if [ $RC -eq 0 ]; then
  75     echo "We survived $0 for $DURATION seconds."
  76 fi
  77 exit $RC