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