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https://github.com/qemu/qemu.git
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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 generic
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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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