lustre/tests/racer/racer.sh

   1 #!/bin/bash
   2 #set -x
   3
   4 DIR="$1"
   5 MAX_FILES=${MAX_FILES:-20}
   6 DURATION=${DURATION:-$((60*5))}
   7 MDSCOUNT=${MDSCOUNT:-1}
   8
   9 NUM_THREADS=${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 file_chown file_chmod file_mknod file_truncate \
  16 file_delxattr file_getxattr file_setxattr"
  17
  18 if $RACER_ENABLE_REMOTE_DIRS || $RACER_ENABLE_STRIPED_DIRS; then
  19         RACER_PROGS+=' dir_remote'
  20 fi
  21
  22 if $RACER_ENABLE_MIGRATION; then
  23         RACER_PROGS+=' dir_migrate'
  24 fi
  25
  26 racer_cleanup()
  27 {
  28         echo "racer cleanup"
  29         for P in $RACER_PROGS; do
  30                 killall -q $P.sh
  31         done
  32         trap 0
  33
  34         local TOT_WAIT=0
  35         local MAX_WAIT=$DURATION
  36         local SHORT_WAIT=5
  37
  38         local rc
  39         while [[ $TOT_WAIT -le $MAX_WAIT ]]; do
  40                 rc=0
  41                 echo sleeping $SHORT_WAIT sec ...
  42                 sleep $SHORT_WAIT
  43                 # this only checks whether processes exist
  44                 for P in $RACER_PROGS; do
  45                         killall -0 $P.sh
  46                         [[ $? -eq 0 ]] && (( rc+=1 ))
  47                 done
  48
  49                 # Kill dd processes to speedup cleanup
  50                 local pids=$(ps uax | grep "$DIR" | grep dd | grep -v grep |
  51                                 awk '{print $2}')
  52                 for pid in $pids; do
  53                         kill $pid
  54                 done
  55
  56                 if [[ $rc -eq 0 ]]; then
  57                         echo there should be NO racer processes:
  58                         ps uww -C "${RACER_PROGS// /.sh,}.sh"
  59                         return 0
  60                 fi
  61                 echo -n "Waited $(( TOT_WAIT + SHORT_WAIT)), rc=$rc "
  62                 (( SHORT_WAIT+=SHORT_WAIT ))
  63                 (( TOT_WAIT+=SHORT_WAIT ))
  64         done
  65         ps uww -C "${RACER_PROGS// /.sh,}.sh"
  66         return 1
  67 }
  68
  69 RC=0
  70
  71 echo "Running $0 for $DURATION seconds. CTRL-C to exit"
  72 trap "
  73         echo \"Cleaning up\"
  74         racer_cleanup
  75         exit 0
  76 " INT TERM
  77
  78 cd `dirname $0`
  79 for N in `seq 1 $NUM_THREADS`; do
  80         for P in $RACER_PROGS; do
  81                 ./$P.sh $DIR $MAX_FILES &
  82         done
  83 done
  84
  85 sleep $DURATION
  86 racer_cleanup || RC=$?
  87
  88 # Check our to see whether our test DIR is still available.
  89 df $DIR
  90 (( RC+=$? ))
  91 [ $RC -eq 0 ] && echo "We survived $0 for $DURATION seconds."
  92 exit $RC