f51062061e
The qemu-io command sequences make the assumption that an unaligned request on the format layer will be unaligned on the blkdebug layer as well. This doesn't necessarily hold true for drivers other than raw. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Benoît Canet <benoit@irqsave.net>
279 lines
5.7 KiB
Bash
Executable File
279 lines
5.7 KiB
Bash
Executable File
#!/bin/bash
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#
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# Test concurrent pread/pwrite
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#
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# Copyright (C) 2014 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 raw
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_supported_proto generic
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_supported_os Linux
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CLUSTER_SIZE=4k
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size=128M
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_make_test_img $size
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echo
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echo "== Some concurrent requests involving RMW =="
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function test_io()
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{
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echo "open -o file.align=4k blkdebug::$TEST_IMG"
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# A simple RMW request
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cat <<EOF
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aio_write -P 10 0x200 0x200
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aio_flush
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EOF
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# Sequential RMW requests on the same physical sector
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off=0x1000
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for ev in "head" "after_head" "tail" "after_tail"; do
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cat <<EOF
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break pwritev_rmw.$ev A
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aio_write -P 10 $((off + 0x200)) 0x200
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wait_break A
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aio_write -P 11 $((off + 0x400)) 0x200
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sleep 100
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resume A
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aio_flush
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EOF
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off=$((off + 0x1000))
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done
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# Chained dependencies
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cat <<EOF
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break pwritev_rmw.after_tail A
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aio_write -P 10 0x5000 0x200
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wait_break A
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aio_write -P 11 0x5200 0x200
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aio_write -P 12 0x5400 0x200
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aio_write -P 13 0x5600 0x200
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aio_write -P 14 0x5800 0x200
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aio_write -P 15 0x5a00 0x200
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aio_write -P 16 0x5c00 0x200
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aio_write -P 17 0x5e00 0x200
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sleep 100
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resume A
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aio_flush
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EOF
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# Overlapping multiple requests
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cat <<EOF
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break pwritev_rmw.after_tail A
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aio_write -P 10 0x6000 0x200
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wait_break A
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break pwritev_rmw.after_head B
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aio_write -P 10 0x7e00 0x200
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wait_break B
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aio_write -P 11 0x6800 0x1000
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resume A
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sleep 100
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resume B
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aio_flush
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EOF
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cat <<EOF
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break pwritev_rmw.after_tail A
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aio_write -P 10 0x8000 0x200
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wait_break A
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break pwritev_rmw.after_head B
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aio_write -P 10 0x9e00 0x200
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wait_break B
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aio_write -P 11 0x8800 0x1000
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resume B
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sleep 100
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resume A
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aio_flush
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EOF
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cat <<EOF
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break pwritev_rmw.after_tail A
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aio_write -P 10 0xa000 0x200
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wait_break A
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aio_write -P 11 0xa800 0x1000
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break pwritev_rmw.after_head B
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aio_write -P 10 0xbe00 0x200
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wait_break B
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resume A
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sleep 100
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resume B
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aio_flush
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EOF
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cat <<EOF
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break pwritev_rmw.after_tail A
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aio_write -P 10 0xc000 0x200
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wait_break A
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aio_write -P 11 0xc800 0x1000
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break pwritev_rmw.after_head B
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aio_write -P 10 0xde00 0x200
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wait_break B
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resume B
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sleep 100
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resume A
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aio_flush
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EOF
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# Only RMW for the tail part
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cat <<EOF
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break pwritev_rmw.after_tail A
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aio_write -P 10 0xe000 0x1800
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wait_break A
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aio_write -P 11 0xf000 0xc00
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sleep 100
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resume A
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aio_flush
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EOF
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cat <<EOF
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break pwritev A
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aio_write -P 10 0x10000 0x800
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wait_break A
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break pwritev_rmw.after_tail B
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aio_write -P 11 0x10000 0x400
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break pwritev_done C
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resume A
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wait_break C
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resume C
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sleep 100
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wait_break B
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resume B
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aio_flush
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EOF
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cat <<EOF
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break pwritev A
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aio_write -P 10 0x11000 0x800
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wait_break A
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aio_write -P 11 0x11000 0x1000
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sleep 100
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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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test_io | $QEMU_IO | _filter_qemu_io | \
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sed -e 's,[0-9/]* bytes at offset [0-9]*,XXX/XXX bytes at offset XXX,g' \
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-e 's/^[0-9]* \(bytes\|KiB\)/XXX bytes/' \
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-e '/Suspended/d'
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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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# A simple RMW request
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echo read -P 0 0 0x200
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echo read -P 10 0x200 0x200
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echo read -P 0 0x400 0xc00
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# Sequential RMW requests on the same physical sector
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echo read -P 0 0x1000 0x200
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echo read -P 10 0x1200 0x200
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echo read -P 11 0x1400 0x200
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echo read -P 0 0x1600 0xa00
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echo read -P 0 0x2000 0x200
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echo read -P 10 0x2200 0x200
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echo read -P 11 0x2400 0x200
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echo read -P 0 0x2600 0xa00
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echo read -P 0 0x3000 0x200
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echo read -P 10 0x3200 0x200
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echo read -P 11 0x3400 0x200
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echo read -P 0 0x3600 0xa00
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echo read -P 0 0x4000 0x200
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echo read -P 10 0x4200 0x200
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echo read -P 11 0x4400 0x200
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echo read -P 0 0x4600 0xa00
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# Chained dependencies
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echo read -P 10 0x5000 0x200
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echo read -P 11 0x5200 0x200
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echo read -P 12 0x5400 0x200
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echo read -P 13 0x5600 0x200
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echo read -P 14 0x5800 0x200
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echo read -P 15 0x5a00 0x200
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echo read -P 16 0x5c00 0x200
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echo read -P 17 0x5e00 0x200
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# Overlapping multiple requests
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echo read -P 10 0x6000 0x200
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echo read -P 0 0x6200 0x600
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echo read -P 11 0x6800 0x1000
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echo read -P 0 0x7800 0x600
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echo read -P 10 0x7e00 0x200
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echo read -P 10 0x8000 0x200
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echo read -P 0 0x8200 0x600
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echo read -P 11 0x8800 0x1000
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echo read -P 0 0x9800 0x600
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echo read -P 10 0x9e00 0x200
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echo read -P 10 0xa000 0x200
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echo read -P 0 0xa200 0x600
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echo read -P 11 0xa800 0x1000
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echo read -P 0 0xb800 0x600
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echo read -P 10 0xbe00 0x200
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echo read -P 10 0xc000 0x200
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echo read -P 0 0xc200 0x600
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echo read -P 11 0xc800 0x1000
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echo read -P 0 0xd800 0x600
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echo read -P 10 0xde00 0x200
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# Only RMW for the tail part
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echo read -P 10 0xe000 0x1000
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echo read -P 11 0xf800 0x400
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echo read -P 0 0xfc00 0x400
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echo read -P 11 0x10000 0x400
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echo read -P 10 0x10400 0x400
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echo read -P 11 0x11800 0x800
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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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