mirror of
https://github.com/qemu/qemu.git
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qemu-iotests: Test concurrent cluster allocations
This adds some first tests for qcow2's dependency handling when two parallel write requests access the same cluster. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf
parent
67a7a0ebe5
commit
91d4093dce
215
tests/qemu-iotests/046
Executable file
215
tests/qemu-iotests/046
Executable file
@ -0,0 +1,215 @@
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#!/bin/bash
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#
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# Test concurrent cluster allocations
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#
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# Copyright (C) 2012 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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_supported_fmt qcow2
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_supported_proto generic
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_supported_os Linux
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CLUSTER_SIZE=64k
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size=128M
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echo
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echo "== creating backing file for COW tests =="
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_make_test_img $size
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function backing_io()
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{
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local offset=$1
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local sectors=$2
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local op=$3
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local pattern=0
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local cur_sec=0
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for i in $(seq 0 $((sectors - 1))); do
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cur_sec=$((offset / 65536 + i))
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pattern=$(( ( (cur_sec % 128) + (cur_sec / 128)) % 128 ))
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echo "$op -P $pattern $((cur_sec * 64))k 64k"
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done
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}
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backing_io 0 16 write | $QEMU_IO $TEST_IMG | _filter_qemu_io
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mv $TEST_IMG $TEST_IMG.base
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_make_test_img -b $TEST_IMG.base 6G
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echo
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echo "== Some concurrent requests touching the same cluster =="
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function overlay_io()
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{
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# Allocate middle of cluster 1, then write to somewhere before and after it
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cat <<EOF
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break write_aio A
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aio_write -P 10 0x18000 0x2000
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wait_break A
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aio_write -P 11 0x12000 0x2000
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aio_write -P 12 0x1c000 0x2000
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resume A
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aio_flush
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EOF
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# Sequential write case: Alloc middle of cluster 2, then write overlapping
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# to next cluster
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cat <<EOF
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break write_aio A
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aio_write -P 20 0x28000 0x2000
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wait_break A
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aio_write -P 21 0x2a000 0x10000
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resume A
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aio_flush
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EOF
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# The same with a gap between both requests
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cat <<EOF
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break write_aio A
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aio_write -P 40 0x48000 0x2000
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wait_break A
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aio_write -P 41 0x4c000 0x10000
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resume A
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aio_flush
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EOF
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# Sequential write, but the next cluster is already allocated
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cat <<EOF
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write -P 70 0x76000 0x8000
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aio_flush
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break write_aio A
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aio_write -P 60 0x66000 0x2000
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wait_break A
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aio_write -P 61 0x6a000 0xe000
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resume A
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aio_flush
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EOF
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# Sequential write, but the next cluster is already allocated
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# and phyiscally in the right position
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cat <<EOF
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write -P 89 0x80000 0x1000
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write -P 90 0x96000 0x8000
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aio_flush
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discard 0x80000 0x10000
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aio_flush
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break write_aio A
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aio_write -P 80 0x86000 0x2000
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wait_break A
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aio_write -P 81 0x8a000 0xe000
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resume A
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aio_flush
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EOF
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# Sequential write, and the next cluster is compressed
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cat <<EOF
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write -P 109 0xa0000 0x1000
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write -c -P 110 0xb0000 0x10000
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aio_flush
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discard 0xa0000 0x10000
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aio_flush
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break write_aio A
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aio_write -P 100 0xa6000 0x2000
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wait_break A
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aio_write -P 101 0xaa000 0xe000
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resume A
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aio_flush
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EOF
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}
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overlay_io | $QEMU_IO blkdebug::$TEST_IMG | _filter_qemu_io |\
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sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g'
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echo
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echo "== Verify image content =="
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function verify_io()
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{
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echo read -P 0 0 0x10000
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echo read -P 1 0x10000 0x2000
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echo read -P 11 0x12000 0x2000
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echo read -P 1 0x14000 0x4000
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echo read -P 10 0x18000 0x2000
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echo read -P 1 0x1a000 0x2000
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echo read -P 12 0x1c000 0x2000
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echo read -P 1 0x1e000 0x2000
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echo read -P 2 0x20000 0x8000
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echo read -P 20 0x28000 0x2000
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echo read -P 21 0x2a000 0x10000
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echo read -P 3 0x3a000 0x6000
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echo read -P 4 0x40000 0x8000
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echo read -P 40 0x48000 0x2000
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echo read -P 4 0x4a000 0x2000
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echo read -P 41 0x4c000 0x10000
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echo read -P 5 0x5c000 0x4000
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echo read -P 6 0x60000 0x6000
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echo read -P 60 0x66000 0x2000
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echo read -P 6 0x68000 0x2000
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echo read -P 61 0x6a000 0xe000
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echo read -P 70 0x78000 0x6000
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echo read -P 7 0x7e000 0x2000
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echo read -P 8 0x80000 0x6000
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echo read -P 80 0x86000 0x2000
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echo read -P 8 0x88000 0x2000
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echo read -P 81 0x8a000 0xe000
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echo read -P 90 0x98000 0x6000
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echo read -P 9 0x9e000 0x2000
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echo read -P 10 0xa0000 0x6000
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echo read -P 100 0xa6000 0x2000
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echo read -P 10 0xa8000 0x2000
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echo read -P 101 0xaa000 0xe000
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echo read -P 110 0xb8000 0x8000
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}
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verify_io | $QEMU_IO $TEST_IMG | _filter_qemu_io
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_check_test_img
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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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163
tests/qemu-iotests/046.out
Normal file
163
tests/qemu-iotests/046.out
Normal file
@ -0,0 +1,163 @@
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QA output created by 046
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== creating backing file for COW tests ==
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
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qemu-io> wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 65536
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 131072
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 196608
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 262144
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 327680
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 393216
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 458752
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 524288
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 589824
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 655360
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 720896
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 786432
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 851968
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 917504
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 983040
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=6442450944 backing_file='TEST_DIR/t.IMGFMT.base'
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== Some concurrent requests touching the same cluster ==
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qemu-io> qemu-io> qemu-io> blkdebug: Suspended request 'A'
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qemu-io> qemu-io> qemu-io> qemu-io> qemu-io> blkdebug: Resuming request 'A'
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qemu-io> wrote 8192/8192 bytes at offset XXX
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 8192/8192 bytes at offset XXX
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 8192/8192 bytes at offset XXX
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> qemu-io> blkdebug: Suspended request 'A'
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qemu-io> qemu-io> qemu-io> blkdebug: Resuming request 'A'
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qemu-io> wrote 8192/8192 bytes at offset XXX
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 65536/65536 bytes at offset XXX
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> qemu-io> blkdebug: Suspended request 'A'
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qemu-io> qemu-io> qemu-io> blkdebug: Resuming request 'A'
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qemu-io> wrote 8192/8192 bytes at offset XXX
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 65536/65536 bytes at offset XXX
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 32768/32768 bytes at offset XXX
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32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> qemu-io> qemu-io> blkdebug: Suspended request 'A'
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qemu-io> qemu-io> qemu-io> blkdebug: Resuming request 'A'
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qemu-io> wrote 8192/8192 bytes at offset XXX
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 57344/57344 bytes at offset XXX
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56 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 4096/4096 bytes at offset XXX
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 32768/32768 bytes at offset XXX
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32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> qemu-io> discard 65536/65536 bytes at offset XXX
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> qemu-io> qemu-io> blkdebug: Suspended request 'A'
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qemu-io> qemu-io> qemu-io> blkdebug: Resuming request 'A'
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qemu-io> wrote 8192/8192 bytes at offset XXX
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 57344/57344 bytes at offset XXX
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56 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 4096/4096 bytes at offset XXX
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset XXX
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> qemu-io> discard 65536/65536 bytes at offset XXX
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> qemu-io> qemu-io> blkdebug: Suspended request 'A'
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qemu-io> qemu-io> qemu-io> blkdebug: Resuming request 'A'
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qemu-io> wrote 8192/8192 bytes at offset XXX
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 57344/57344 bytes at offset XXX
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56 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io>
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== Verify image content ==
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qemu-io> read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 65536
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 73728
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 16384/16384 bytes at offset 81920
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16 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 98304
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 106496
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 114688
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 122880
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 32768/32768 bytes at offset 131072
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32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 163840
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 65536/65536 bytes at offset 172032
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 24576/24576 bytes at offset 237568
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24 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 32768/32768 bytes at offset 262144
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32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 294912
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 303104
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 65536/65536 bytes at offset 311296
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 16384/16384 bytes at offset 376832
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16 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 24576/24576 bytes at offset 393216
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24 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 417792
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 425984
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 57344/57344 bytes at offset 434176
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56 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 24576/24576 bytes at offset 491520
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24 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 516096
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 24576/24576 bytes at offset 524288
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24 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 548864
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 557056
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 57344/57344 bytes at offset 565248
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56 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 24576/24576 bytes at offset 622592
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24 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 647168
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8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 24576/24576 bytes at offset 655360
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24 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> read 8192/8192 bytes at offset 679936
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||||
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
qemu-io> read 8192/8192 bytes at offset 688128
|
||||
8 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
qemu-io> read 57344/57344 bytes at offset 696320
|
||||
56 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
qemu-io> read 32768/32768 bytes at offset 753664
|
||||
32 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
qemu-io> No errors were found on the image.
|
||||
*** done
|
||||
@ -52,3 +52,4 @@
|
||||
043 rw auto backing
|
||||
044 rw auto
|
||||
045 rw auto
|
||||
046 rw auto aio
|
||||
|
||||
Loading…
Reference in New Issue
Block a user