tests/generic/299

   1 #! /bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 #
   5 # FSQA Test No. 299
   6 #
   7 # AIO/DIO stress test
   8 # Run random AIO/DIO activity and fallocate/truncate simultaneously
   9 # Test will operate on huge sparsed files so ENOSPC is expected.
  10 #
  11 seq=`basename $0`
  12 seqres=$RESULT_DIR/$seq
  13 echo "QA output created by $seq"
  14
  15 here=`pwd`
  16 tmp=/tmp/$$
  17 fio_config=$tmp.fio
  18 status=1        # failure is the default!
  19 trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
  20
  21 # get standard environment, filters and checks
  22 . ./common/rc
  23 . ./common/filter
  24
  25 # real QA test starts here
  26 _supported_fs generic
  27 _require_test
  28 _require_scratch
  29 _require_odirect
  30 _require_block_device $SCRATCH_DEV
  31
  32 NUM_JOBS=$((4*LOAD_FACTOR))
  33 BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
  34 FILE_SIZE=$((BLK_DEV_SIZE * 512))
  35
  36 max_file_size=$(_get_max_file_size)
  37 if [ $max_file_size -lt $FILE_SIZE ]; then
  38         FILE_SIZE=$max_file_size
  39 fi
  40
  41 cat >$fio_config <<EOF
  42 ###########
  43 # $seq test fio activity
  44 # Filenames derived from jobsname and jobid like follows:
  45 # ${JOB_NAME}.${JOB_ID}.${ITERATION_ID}
  46 [global]
  47 ioengine=libaio
  48 bs=128k
  49 directory=${SCRATCH_MNT}
  50 filesize=${FILE_SIZE}
  51 size=999G
  52 iodepth=128*${LOAD_FACTOR}
  53 continue_on_error=write
  54 ignore_error=,ENOSPC
  55 error_dump=0
  56 create_on_open=1
  57 fallocate=none
  58 exitall=1
  59
  60 ## Perform direct aio, to files which may be truncated
  61 ## by external task
  62 [direct_aio]
  63 direct=1
  64 buffered=0
  65 numjobs=${NUM_JOBS}
  66 rw=randwrite
  67 runtime=100*${TIME_FACTOR}
  68 time_based
  69
  70 # Perform direct aio and verify data
  71 # This test case should check use-after-free issues
  72 [aio-dio-verifier]
  73 numjobs=1
  74 verify=crc32c-intel
  75 verify_fatal=1
  76 verify_dump=1
  77 verify_backlog=1024
  78 verify_async=4
  79 verifysort=1
  80 direct=1
  81 bs=4k
  82 rw=randrw
  83 filename=aio-dio-verifier
  84
  85 # Perform buffered aio and verify data
  86 # This test case should check use-after-free issues
  87 [buffered-aio-verifier]
  88 numjobs=1
  89 verify=crc32c-intel
  90 verify_fatal=1
  91 verify_dump=1
  92 verify_backlog=1024
  93 verify_async=4
  94 verifysort=1
  95 direct=0
  96 buffered=1
  97 bs=4k
  98 rw=randrw
  99 filename=buffered-aio-verifier
 100 EOF
 101
 102 rm -f $seqres.full
 103
 104 _require_fio $fio_config
 105 _require_xfs_io_command "falloc"
 106
 107 _workout()
 108 {
 109         echo ""
 110         echo "Run fio with random aio-dio pattern"
 111         echo ""
 112         cat $fio_config >>  $seqres.full
 113         run_check $FIO_PROG $fio_config &
 114         pid=$!
 115         echo "Start fallocate/truncate loop"
 116
 117         for ((i=0; ; i++))
 118         do
 119             for ((k=1; k <= NUM_JOBS; k++))
 120             do
 121                 $XFS_IO_PROG -f -c "falloc 0 $FILE_SIZE" \
 122                         $SCRATCH_MNT/direct_aio.$k.0 >> $seqres.full 2>&1
 123             done
 124             for ((k=1; k <= NUM_JOBS; k++))
 125             do
 126                 $XFS_IO_PROG -c "truncate  0" \
 127                         $SCRATCH_MNT/direct_aio.$k.0 >> $seqres.full 2>&1
 128             done
 129             # Following like will check that pid is still run.
 130             # Once fio exit we can stop fallocate/truncate loop
 131             pgrep -f "$FIO_PROG" > /dev/null 2>&1 || break
 132         done
 133         wait $pid
 134 }
 135
 136 _scratch_mkfs >> $seqres.full 2>&1
 137 _scratch_mount
 138
 139 if ! _workout; then
 140         _scratch_unmount 2>/dev/null
 141         exit
 142 fi
 143
 144 if ! _scratch_unmount; then
 145         echo "failed to umount"
 146         status=1
 147         exit
 148 fi
 149 status=0
 150 exit