tests/generic/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 $0`
  28 seqres=$RESULT_DIR/$seq
  29 seqres=$RESULT_DIR/$seq
  30 seqres=$RESULT_DIR/$seq
  31 echo "QA output created by $seq"
  32
  33 here=`pwd`
  34 tmp=/tmp/$$
  35 status=1        # failure is the default!
  36 trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
  37
  38 # get standard environment, filters and checks
  39 . ./common/rc
  40 . ./common/filter
  41
  42 # real QA test starts here
  43 _supported_fs generic
  44 _supported_os Linux
  45 _need_to_be_root
  46 _require_scratch
  47
  48 NUM_JOBS=$((4*LOAD_FACTOR))
  49 BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
  50 FILE_SIZE=$((BLK_DEV_SIZE * 512))
  51
  52 cat >$tmp-$seq.fio <<EOF
  53 ###########
  54 # $seq test fio activity
  55 # Filenames derived from jobsname and jobid like follows:
  56 # ${JOB_NAME}.${JOB_ID}.${ITERATION_ID}
  57 [global]
  58 ioengine=libaio
  59 bs=128k
  60 directory=${SCRATCH_MNT}
  61 filesize=${FILE_SIZE}
  62 size=999G
  63 iodepth=128*${LOAD_FACTOR}
  64 continue_on_error=write
  65 ignore_error=,ENOSPC
  66 error_dump=0
  67 create_on_open=1
  68 fallocate=none
  69 exitall=1
  70
  71 ## Perform direct aio, to files which may be truncated
  72 ## by external task
  73 [direct_aio]
  74 direct=1
  75 buffered=0
  76 numjobs=${NUM_JOBS}
  77 rw=randwrite
  78 runtime=100*${TIME_FACTOR}
  79 time_based
  80
  81 # Perform direct aio and verify data
  82 # This test case should check use-after-free issues
  83 [aio-dio-verifier]
  84 numjobs=1
  85 verify=crc32c-intel
  86 verify_fatal=1
  87 verify_dump=1
  88 verify_backlog=1024
  89 verify_async=4
  90 verifysort=1
  91 direct=1
  92 bs=4k
  93 rw=randrw
  94 filename=aio-dio-verifier
  95
  96 # Perform buffered aio and verify data
  97 # This test case should check use-after-free issues
  98 [buffered-aio-verifier]
  99 numjobs=1
 100 verify=crc32c-intel
 101 verify_fatal=1
 102 verify_dump=1
 103 verify_backlog=1024
 104 verify_async=4
 105 verifysort=1
 106 direct=0
 107 buffered=1
 108 bs=4k
 109 rw=randrw
 110 filename=buffered-aio-verifier
 111 EOF
 112
 113 _require_fio $tmp-$seq.fio
 114
 115 _workout()
 116 {
 117         echo ""
 118         echo "Run fio with random aio-dio pattern"
 119         echo ""
 120         cat $tmp-$seq.fio >>  $seqres.full
 121         run_check $FIO_PROG $tmp-$seq.fio &
 122         pid=$!
 123         echo "Start fallocate/truncate loop"
 124
 125         for ((i=0; ; i++))
 126         do
 127             for ((k=1; k <= NUM_JOBS; k++))
 128             do
 129                 fallocate -l $FILE_SIZE $SCRATCH_MNT/direct_aio.$k.0 \
 130                         >> $seqres.full 2>&1
 131             done
 132             for ((k=1; k <= NUM_JOBS; k++))
 133             do
 134                 truncate -s 0 $SCRATCH_MNT/direct_aio.$k.0
 135             done
 136             # Following like will check that pid is still run.
 137             # Once fio exit we can stop fallocate/truncate loop
 138             kill -0 $pid > /dev/null 2>&1 || break
 139         done
 140         wait $pid
 141 }
 142
 143 _scratch_mkfs >> $seqres.full 2>&1
 144 _scratch_mount
 145
 146 if ! _workout; then
 147         umount $SCRATCH_DEV 2>/dev/null
 148         exit
 149 fi
 150
 151 if ! _scratch_unmount; then
 152         echo "failed to umount"
 153         status=1
 154         exit
 155 fi
 156 _check_scratch_fs
 157 status=$?
 158 exit