300

   1 #! /bin/bash
   2 # FSQA Test No. 300
   3 #
   4 # AIO/DIO stress test
   5 # Run random AIO/DIO activity and fallocate/punch_hole simultaneously
   6 # Test will operate on huge sparsed file 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 if [ $((BLK_DEV_SIZE)) -gt 1048576 ]
  48 then
  49     BLK_DEV_SIZE=1048576
  50 fi
  51 FS_SIZE=$((BLK_DEV_SIZE * 512))
  52
  53 cat >$tmp-$seq.fio <<EOF
  54 ###########
  55 # $seq test fio activity
  56 # Run DIO, fallocate and punch_hole threads on a single in parallel
  57 #
  58 # If race exist old dio request may rewrite punched block after it was
  59 # allocated to another file, we will catch that by verifying blocks content
  60 #
  61 [global]
  62 directory=${SCRATCH_MNT}
  63 filesize=${FS_SIZE}
  64 size=999G
  65 continue_on_error=write
  66 ignore_error=,ENOSPC
  67 error_dump=0
  68
  69 create_on_open=1
  70 fallocate=none
  71 exitall=1
  72
  73 ## Perform direct aio, to files which may be truncated
  74 ## by external task
  75 [direct_aio_raicer]
  76 ioengine=libaio
  77 iodepth=128*${LOAD_FACTOR}
  78 bs=128k
  79 direct=1
  80 numjobs=${NUM_JOBS}
  81 rw=randwrite
  82 runtime=100*${TIME_FACTOR}
  83 time_based
  84 filename=racer
  85
  86 # Run falloc and punch_hole threads in parallel
  87 # After activity file will be highly fragmented
  88 [falloc_raicer]
  89 ioengine=falloc
  90 runtime=100*${TIME_FACTOR}
  91 iodepth=1
  92 bssplit=128k/80:512k/10:32k/10
  93 rw=randwrite
  94 numjobs=1
  95 filename=racer
  96
  97 [punch_hole_raicer]
  98 ioengine=falloc
  99 runtime=100*${TIME_FACTOR}
 100 bs=4k
 101 time_based=10
 102 rw=randtrim
 103 numjobs=2
 104 filename=racer
 105 time_based
 106
 107 # Verifier thread continiously write to newly allcated blocks
 108 # and veryfy written content
 109 [aio-dio-verifier]
 110 ioengine=libaio
 111 iodepth=128*${LOAD_FACTOR}
 112 numjobs=1
 113 verify=crc32c-intel
 114 verify_fatal=1
 115 verify_dump=1
 116 verify_backlog=1024
 117 verify_async=4
 118 verifysort=1
 119 direct=1
 120 bs=4k
 121 rw=randwrite
 122 filename=aio-dio-verifier
 123 EOF
 124
 125 _workout()
 126 {
 127         echo ""
 128         echo "Run fio with random aio-dio pattern"
 129         echo ""
 130         cat $tmp-$seq.fio >>  $seq.full
 131         run_check $FIO_PROG $tmp-$seq.fio
 132 }
 133
 134 _require_fio $tmp-$seq.fio
 135
 136 _scratch_mkfs_sized $FS_SIZE >> $seq.full 2>&1
 137 _scratch_mount
 138
 139 if ! _workout; then
 140         umount $SCRATCH_DEV 2>/dev/null
 141         exit
 142 fi
 143
 144 if ! _scratch_unmount; then
 145         echo "failed to umount"
 146         status=1
 147         exit
 148 fi
 149 _check_scratch_fs
 150 status=$?
 151 exit