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 _supported_os Linux
  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 cat >$fio_config <<EOF
  37 ###########
  38 # $seq test fio activity
  39 # Filenames derived from jobsname and jobid like follows:
  40 # ${JOB_NAME}.${JOB_ID}.${ITERATION_ID}
  41 [global]
  42 ioengine=libaio
  43 bs=128k
  44 directory=${SCRATCH_MNT}
  45 filesize=${FILE_SIZE}
  46 size=999G
  47 iodepth=128*${LOAD_FACTOR}
  48 continue_on_error=write
  49 ignore_error=,ENOSPC
  50 error_dump=0
  51 create_on_open=1
  52 fallocate=none
  53 exitall=1
  54
  55 ## Perform direct aio, to files which may be truncated
  56 ## by external task
  57 [direct_aio]
  58 direct=1
  59 buffered=0
  60 numjobs=${NUM_JOBS}
  61 rw=randwrite
  62 runtime=100*${TIME_FACTOR}
  63 time_based
  64
  65 # Perform direct aio and verify data
  66 # This test case should check use-after-free issues
  67 [aio-dio-verifier]
  68 numjobs=1
  69 verify=crc32c-intel
  70 verify_fatal=1
  71 verify_dump=1
  72 verify_backlog=1024
  73 verify_async=4
  74 verifysort=1
  75 direct=1
  76 bs=4k
  77 rw=randrw
  78 filename=aio-dio-verifier
  79
  80 # Perform buffered aio and verify data
  81 # This test case should check use-after-free issues
  82 [buffered-aio-verifier]
  83 numjobs=1
  84 verify=crc32c-intel
  85 verify_fatal=1
  86 verify_dump=1
  87 verify_backlog=1024
  88 verify_async=4
  89 verifysort=1
  90 direct=0
  91 buffered=1
  92 bs=4k
  93 rw=randrw
  94 filename=buffered-aio-verifier
  95 EOF
  96
  97 rm -f $seqres.full
  98
  99 _require_fio $fio_config
 100 _require_xfs_io_command "falloc"
 101
 102 _workout()
 103 {
 104         echo ""
 105         echo "Run fio with random aio-dio pattern"
 106         echo ""
 107         cat $fio_config >>  $seqres.full
 108         run_check $FIO_PROG $fio_config &
 109         pid=$!
 110         echo "Start fallocate/truncate loop"
 111
 112         for ((i=0; ; i++))
 113         do
 114             for ((k=1; k <= NUM_JOBS; k++))
 115             do
 116                 $XFS_IO_PROG -f -c "falloc 0 $FILE_SIZE" \
 117                         $SCRATCH_MNT/direct_aio.$k.0 >> $seqres.full 2>&1
 118             done
 119             for ((k=1; k <= NUM_JOBS; k++))
 120             do
 121                 $XFS_IO_PROG -c "truncate  0" \
 122                         $SCRATCH_MNT/direct_aio.$k.0 >> $seqres.full 2>&1
 123             done
 124             # Following like will check that pid is still run.
 125             # Once fio exit we can stop fallocate/truncate loop
 126             pgrep -f "$FIO_PROG" > /dev/null 2>&1 || break
 127         done
 128         wait $pid
 129 }
 130
 131 _scratch_mkfs >> $seqres.full 2>&1
 132 _scratch_mount
 133
 134 if ! _workout; then
 135         _scratch_unmount 2>/dev/null
 136         exit
 137 fi
 138
 139 if ! _scratch_unmount; then
 140         echo "failed to umount"
 141         status=1
 142         exit
 143 fi
 144 status=0
 145 exit