121 lines
2.8 KiB
Bash
Executable File
121 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# qcow2 pattern test with various cluster sizes
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#
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# Copyright (C) 2009 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=kwolf@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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. ./common.pattern
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# much of this could be generic for any format supporting compression.
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_supported_fmt qcow qcow2
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_supported_proto file
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_supported_os Linux
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TEST_OFFSETS="0 4294967296"
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TEST_OPS="writev read write readv"
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# Can't use 512 byte clusters, the tests use cluster halves
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CLUSTER_SIZES="1024 4096 16384 65536"
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for CLUSTER_SIZE in $CLUSTER_SIZES; do
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echo "Creating new image; cluster size: $CLUSTER_SIZE"
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echo
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_make_test_img 8G
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echo "Testing empty image"
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echo
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for offset in $TEST_OFFSETS; do
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echo "At offset $offset:"
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for op in $TEST_OPS; do
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io_test $op $offset $CLUSTER_SIZE 3
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done
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_check_test_img
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done
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echo "Compressing image"
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echo
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mv "$TEST_IMG" "$TEST_IMG.orig"
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$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c "$TEST_IMG.orig" "$TEST_IMG"
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echo "Testing compressed image"
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echo
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for offset in $TEST_OFFSETS; do
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echo "With offset $offset:"
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for op in read readv; do
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io_test $op $offset $CLUSTER_SIZE 3
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done
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_check_test_img
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done
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echo "Testing compressed image with odd offsets"
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echo
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for offset in $TEST_OFFSETS; do
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# Some odd offset (1 sector), so tests will write to areas occupied partly
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# by old (compressed) data and empty clusters
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offset=$((offset + 512))
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echo "With offset $offset:"
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for op in $TEST_OPS; do
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io_test $op $offset $CLUSTER_SIZE 3
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done
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_check_test_img
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done
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echo "Creating another new image"
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echo
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_make_test_img 8G
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echo "More complex patterns"
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echo
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for offset in $TEST_OFFSETS; do
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echo test2: With offset $offset
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io_test2 $offset $CLUSTER_SIZE 4
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_check_test_img
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done
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done
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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