qemu-iotests: add multiwrite test cases

This test case covers the basic bdrv_aio_multiwrite() scenarios:
1. Single request
2. Sequential requests (AABB)
3. Superset overlapping requests (AABBAA)
4. Subset overlapping requests (BBAABB)
5. Head overlapping requests (AABB)
6. Tail overlapping requests (BBAA)
7. Disjoint requests (AA BB)

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
This commit is contained in:
Stefan Hajnoczi 2014-07-30 09:53:31 +01:00
parent 391827eb10
commit 12ade76090
3 changed files with 224 additions and 0 deletions

134
tests/qemu-iotests/100 Executable file
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@ -0,0 +1,134 @@
#!/bin/bash
#
# Test simple read/write using plain bdrv_read/bdrv_write
#
# Copyright (C) 2014 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=stefanha@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 generic
_supported_proto generic
_supported_os Linux
size=128M
echo
echo "== Single request =="
_make_test_img $size
$QEMU_IO -c "multiwrite 0 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
$QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== Sequential requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 0 4k ; 4k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
$QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0xce 4k 4k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 8k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== Superset overlapping requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 0 4k ; 1k 2k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
# Order of overlapping in-flight requests is not guaranteed so we cannot verify
# [1k, 3k) since it could have either pattern 0xcd or 0xce.
$QEMU_IO -c "read -P 0xcd 0 1k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0xcd 3k 1k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== Subset overlapping requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 1k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
# Order of overlapping in-flight requests is not guaranteed so we cannot verify
# [1k, 3k) since it could have either pattern 0xcd or 0xce.
$QEMU_IO -c "read -P 0xce 0 1k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0xce 3k 1k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== Head overlapping requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 0k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
# Order of overlapping in-flight requests is not guaranteed so we cannot verify
# [0k, 2k) since it could have either pattern 0xcd or 0xce.
$QEMU_IO -c "read -P 0xce 2k 2k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== Tail overlapping requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 2k 2k ; 0k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
# Order of overlapping in-flight requests is not guaranteed so we cannot verify
# [2k, 4k) since it could have either pattern 0xcd or 0xce.
$QEMU_IO -c "read -P 0xce 0k 2k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== Disjoint requests =="
_make_test_img $size
$QEMU_IO -c "multiwrite 0 4k ; 64k 4k" "$TEST_IMG" | _filter_qemu_io
echo
echo "== verify pattern =="
$QEMU_IO -c "read -P 0xcd 0 4k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 4k 60k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0xce 64k 4k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -P 0 68k 4k" "$TEST_IMG" | _filter_qemu_io
# success, all done
echo "*** done"
rm -f $seq.full
status=0

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QA output created by 100
== Single request ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 4096/4096 bytes at offset 0
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== verify pattern ==
read 4096/4096 bytes at offset 0
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 4096
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== Sequential requests ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 8192/8192 bytes at offset 0
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== verify pattern ==
read 4096/4096 bytes at offset 0
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 4096
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 8192
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== Superset overlapping requests ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 6144/6144 bytes at offset 0
6 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== verify pattern ==
read 1024/1024 bytes at offset 0
1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1024/1024 bytes at offset 3072
1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 4096
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== Subset overlapping requests ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 6144/6144 bytes at offset 1024
6 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== verify pattern ==
read 1024/1024 bytes at offset 0
1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1024/1024 bytes at offset 3072
1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 4096
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== Head overlapping requests ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 6144/6144 bytes at offset 0
6 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== verify pattern ==
read 2048/2048 bytes at offset 2048
2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 4096
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== Tail overlapping requests ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 6144/6144 bytes at offset 2048
6 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== verify pattern ==
read 2048/2048 bytes at offset 0
2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 4096
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== Disjoint requests ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
wrote 8192/8192 bytes at offset 0
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== verify pattern ==
read 4096/4096 bytes at offset 0
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 61440/61440 bytes at offset 4096
60 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 65536
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 69632
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
*** done

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@ -101,5 +101,6 @@
092 rw auto quick 092 rw auto quick
095 rw auto quick 095 rw auto quick
099 rw auto quick 099 rw auto quick
100 rw auto quick
101 rw auto quick 101 rw auto quick
103 rw auto quick 103 rw auto quick