tests/qemu-iotests/035

   1 #!/bin/bash
   2 #
   3 # Let a few AIO requests run in parallel and have them access different L2
   4 # tables so that the cache has a chance to get used up.
   5 #
   6 # Copyright (C) 2012 Red Hat, Inc.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner=kwolf@redhat.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 here=`pwd`
  29 tmp=/tmp/$$
  30 status=1        # failure is the default!
  31
  32 _cleanup()
  33 {
  34         _cleanup_test_img
  35 }
  36 trap "_cleanup; exit \$status" 0 1 2 3 15
  37
  38 # get standard environment, filters and checks
  39 . ./common.rc
  40 . ./common.filter
  41
  42 _supported_fmt qcow2
  43 _supported_proto generic
  44 _supported_os Linux
  45
  46
  47 size=6G
  48 CLUSTER_SIZE=512
  49
  50 echo
  51 echo "creating image"
  52 _make_test_img $size
  53
  54 function generate_requests() {
  55     for i in $(seq 0 63); do
  56         echo "aio_write ${i}M 512"
  57         echo "aio_write ${i}M 512"
  58         echo "aio_write ${i}M 512"
  59     done
  60 }
  61
  62 generate_requests | $QEMU_IO "$TEST_IMG" | _filter_qemu_io |\
  63         sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g'
  64
  65 echo
  66 echo "checking image for errors"
  67 _check_test_img
  68
  69 # success, all done
  70 echo "*** done"
  71 rm -f $seq.full
  72 status=0