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 # creator
  27 owner=dmonakhov@openvz.org
  28
  29 seq=`basename $0`
  30 echo "QA output created by $seq"
  31
  32 here=`pwd`
  33 tmp=/tmp/$$
  34 status=1        # failure is the default!
  35 trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
  36
  37 # get standard environment, filters and checks
  38 . ./common.rc
  39 . ./common.filter
  40
  41 # real QA test starts here
  42 _supported_fs generic
  43 _supported_os Linux
  44 _need_to_be_root
  45 _require_scratch
  46
  47 NUM_JOBS=$((4*LOAD_FACTOR))
  48 BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
  49 if [ $((BLK_DEV_SIZE)) -gt 1048576 ]
  50 then
  51     BLK_DEV_SIZE=1048576
  52 fi
  53 FS_SIZE=$((BLK_DEV_SIZE * 512))
  54
  55 cat >$tmp-$seq.fio <<EOF
  56 ###########
  57 # $seq test fio activity
  58 # Run DIO, fallocate and punch_hole threads on a single in parallel
  59 #
  60 # If race exist old dio request may rewrite punched block after it was
  61 # allocated to another file, we will catch that by verifying blocks content
  62 #
  63 [global]
  64 directory=${SCRATCH_MNT}
  65 filesize=${FS_SIZE}
  66 size=999G
  67 continue_on_error=write
  68 ignore_error=,ENOSPC
  69 error_dump=0
  70
  71 create_on_open=1
  72 fallocate=none
  73 exitall=1
  74
  75 ## Perform direct aio, to files which may be truncated
  76 ## by external task
  77 [direct_aio_raicer]
  78 ioengine=libaio
  79 iodepth=128*${LOAD_FACTOR}
  80 bs=128k
  81 direct=1
  82 numjobs=${NUM_JOBS}
  83 rw=randwrite
  84 runtime=100*${TIME_FACTOR}
  85 time_based
  86 filename=racer
  87
  88 # Run falloc and punch_hole threads in parallel
  89 # After activity file will be highly fragmented
  90 [falloc_raicer]
  91 ioengine=falloc
  92 runtime=100*${TIME_FACTOR}
  93 iodepth=1
  94 bssplit=128k/80:512k/10:32k/10
  95 rw=randwrite
  96 numjobs=1
  97 filename=racer
  98
  99 [punch_hole_raicer]
 100 ioengine=falloc
 101 runtime=100*${TIME_FACTOR}
 102 bs=4k
 103 time_based=10
 104 rw=randtrim
 105 numjobs=2
 106 filename=racer
 107 time_based
 108
 109 # Verifier thread continiously write to newly allcated blocks
 110 # and veryfy written content
 111 [aio-dio-verifier]
 112 ioengine=libaio
 113 iodepth=128*${LOAD_FACTOR}
 114 numjobs=1
 115 verify=crc32c-intel
 116 verify_fatal=1
 117 verify_dump=1
 118 verify_backlog=1024
 119 verify_async=4
 120 verifysort=1
 121 direct=1
 122 bs=4k
 123 rw=randwrite
 124 filename=aio-dio-verifier
 125 EOF
 126
 127 _workout()
 128 {
 129         echo ""
 130         echo "Run fio with random aio-dio pattern"
 131         echo ""
 132         cat $tmp-$seq.fio >>  $seq.full
 133         run_check $FIO_PROG $tmp-$seq.fio
 134 }
 135
 136 _require_fio $tmp-$seq.fio
 137
 138 _scratch_mkfs_sized $FS_SIZE >> $seq.full 2>&1
 139 _scratch_mount
 140
 141 if ! _workout; then
 142         umount $SCRATCH_DEV 2>/dev/null
 143         exit
 144 fi
 145
 146 if ! _scratch_unmount; then
 147         echo "failed to umount"
 148         status=1
 149         exit
 150 fi
 151 _check_scratch_fs
 152 status=$?
 153 exit