Archipelago » qemu

#!/bin/bash

#

# Let a few AIO requests run in parallel and have them access different L2

# tables so that the cache has a chance to get used up.

#

# Copyright (C) 2012 Red Hat, Inc.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#

# creator

owner=kwolf@redhat.com

seq=`basename $0`

echo "QA output created by $seq"

here=`pwd`

tmp=/tmp/$$

status=1	# failure is the default!

_cleanup()

{

	_cleanup_test_img

}

trap "_cleanup; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks

. ./common.rc

. ./common.filter

_supported_fmt qcow2

_supported_proto generic

_supported_os Linux

size=6G

CLUSTER_SIZE=512

echo

echo "creating image"

_make_test_img $size

function generate_requests() {

    for i in $(seq 0 63); do

        echo "aio_write ${i}M 512"

        echo "aio_write ${i}M 512"

        echo "aio_write ${i}M 512"

    done

}

generate_requests | $QEMU_IO $TEST_IMG | _filter_qemu_io |\

	sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g'

echo

echo "checking image for errors"

_check_test_img

# success, all done

echo "*** done"

rm -f $seq.full

status=0