299

   1 #! /bin/bash
   2 # FSQA Test No. 299
   3 #
   4 # AIO/DIO stress test
   5 # Run random AIO/DIO activity and fallocate/truncate simultaneously
   6 # Test will operate on huge sparsed files so ENOSPC is expected.
   7 #
   8 #-----------------------------------------------------------------------
   9 # (c) 2013 Dmitry Monakhov
  10 #
  11 # This program is free software; you can redistribute it and/or
  12 # modify it under the terms of the GNU General Public License as
  13 # published by the Free Software Foundation.
  14 #
  15 # This program is distributed in the hope that it would be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program; if not, write the Free Software Foundation,
  22 # Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  23 #
  24 #-----------------------------------------------------------------------
  25 #
  26
  27 seq=`basename $0`
  28 echo "QA output created by $seq"
  29
  30 here=`pwd`
  31 tmp=/tmp/$$
  32 status=1        # failure is the default!
  33 trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
  34
  35 # get standard environment, filters and checks
  36 . ./common.rc
  37 . ./common.filter
  38
  39 # real QA test starts here
  40 _supported_fs generic
  41 _supported_os Linux
  42 _need_to_be_root
  43 _require_scratch
  44
  45 NUM_JOBS=$((4*LOAD_FACTOR))
  46 BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
  47 FILE_SIZE=$((BLK_DEV_SIZE * 512))
  48
  49 cat >$tmp-$seq.fio <<EOF
  50 ###########
  51 # $seq test fio activity
  52 # Filenames derived from jobsname and jobid like follows:
  53 # ${JOB_NAME}.${JOB_ID}.${ITERATION_ID}
  54 [global]
  55 ioengine=libaio
  56 bs=128k
  57 directory=${SCRATCH_MNT}
  58 filesize=${FILE_SIZE}
  59 size=999G
  60 iodepth=128*${LOAD_FACTOR}
  61 continue_on_error=write
  62 ignore_error=,ENOSPC
  63 error_dump=0
  64 create_on_open=1
  65 fallocate=none
  66 exitall=1
  67
  68 ## Perform direct aio, to files which may be truncated
  69 ## by external task
  70 [direct_aio]
  71 direct=1
  72 buffered=0
  73 numjobs=${NUM_JOBS}
  74 rw=randwrite
  75 runtime=100*${TIME_FACTOR}
  76 time_based
  77
  78 # Perform direct aio and verify data
  79 # This test case should check use-after-free issues
  80 [aio-dio-verifier]
  81 numjobs=1
  82 verify=crc32c-intel
  83 verify_fatal=1
  84 verify_dump=1
  85 verify_backlog=1024
  86 verify_async=4
  87 verifysort=1
  88 direct=1
  89 bs=4k
  90 rw=randrw
  91 filename=aio-dio-verifier
  92
  93 # Perform buffered aio and verify data
  94 # This test case should check use-after-free issues
  95 [buffered-aio-verifier]
  96 numjobs=1
  97 verify=crc32c-intel
  98 verify_fatal=1
  99 verify_dump=1
 100 verify_backlog=1024
 101 verify_async=4
 102 verifysort=1
 103 direct=0
 104 buffered=1
 105 bs=4k
 106 rw=randrw
 107 filename=buffered-aio-verifier
 108 EOF
 109
 110 _require_fio $tmp-$seq.fio
 111
 112 _workout()
 113 {
 114         echo ""
 115         echo "Run fio with random aio-dio pattern"
 116         echo ""
 117         cat $tmp-$seq.fio >>  $seq.full
 118         run_check $FIO_PROG $tmp-$seq.fio &
 119         pid=$!
 120         echo "Start fallocate/truncate loop"
 121
 122         for ((i=0; ; i++))
 123         do
 124             for ((k=1; k <= NUM_JOBS; k++))
 125             do
 126                 fallocate -l $FILE_SIZE $SCRATCH_MNT/direct_aio.$k.0 \
 127                         >> $seq.full 2>&1
 128             done
 129             for ((k=1; k <= NUM_JOBS; k++))
 130             do
 131                 truncate -s 0 $SCRATCH_MNT/direct_aio.$k.0
 132             done
 133             # Following like will check that pid is still run.
 134             # Once fio exit we can stop fallocate/truncate loop
 135             kill -0 $pid > /dev/null 2>&1 || break
 136         done
 137         wait $pid
 138 }
 139
 140 _scratch_mkfs >> $seq.full 2>&1
 141 _scratch_mount
 142
 143 if ! _workout; then
 144         umount $SCRATCH_DEV 2>/dev/null
 145         exit
 146 fi
 147
 148 if ! _scratch_unmount; then
 149         echo "failed to umount"
 150         status=1
 151         exit
 152 fi
 153 _check_scratch_fs
 154 status=$?
 155 exit