diff options
Diffstat (limited to 'tests/qemu-iotests/077')
| -rwxr-xr-x | tests/qemu-iotests/077 | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/tests/qemu-iotests/077 b/tests/qemu-iotests/077 new file mode 100755 index 00000000..42a90850 --- /dev/null +++ b/tests/qemu-iotests/077 @@ -0,0 +1,278 @@ +#!/bin/bash +# +# Test concurrent pread/pwrite +# +# 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=kwolf@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 raw +_supported_proto generic +_supported_os Linux + +CLUSTER_SIZE=4k +size=128M + +_make_test_img $size + +echo +echo "== Some concurrent requests involving RMW ==" + +function test_io() +{ +echo "open -o driver=$IMGFMT,file.align=4k blkdebug::$TEST_IMG" +# A simple RMW request +cat <<EOF +aio_write -P 10 0x200 0x200 +aio_flush +EOF + +# Sequential RMW requests on the same physical sector +off=0x1000 +for ev in "head" "after_head" "tail" "after_tail"; do +cat <<EOF +break pwritev_rmw.$ev A +aio_write -P 10 $((off + 0x200)) 0x200 +wait_break A +aio_write -P 11 $((off + 0x400)) 0x200 +sleep 100 +resume A +aio_flush +EOF +off=$((off + 0x1000)) +done + +# Chained dependencies +cat <<EOF +break pwritev_rmw.after_tail A +aio_write -P 10 0x5000 0x200 +wait_break A +aio_write -P 11 0x5200 0x200 +aio_write -P 12 0x5400 0x200 +aio_write -P 13 0x5600 0x200 +aio_write -P 14 0x5800 0x200 +aio_write -P 15 0x5a00 0x200 +aio_write -P 16 0x5c00 0x200 +aio_write -P 17 0x5e00 0x200 +sleep 100 +resume A +aio_flush +EOF + +# Overlapping multiple requests +cat <<EOF +break pwritev_rmw.after_tail A +aio_write -P 10 0x6000 0x200 +wait_break A +break pwritev_rmw.after_head B +aio_write -P 10 0x7e00 0x200 +wait_break B +aio_write -P 11 0x6800 0x1000 +resume A +sleep 100 +resume B +aio_flush +EOF + +cat <<EOF +break pwritev_rmw.after_tail A +aio_write -P 10 0x8000 0x200 +wait_break A +break pwritev_rmw.after_head B +aio_write -P 10 0x9e00 0x200 +wait_break B +aio_write -P 11 0x8800 0x1000 +resume B +sleep 100 +resume A +aio_flush +EOF + +cat <<EOF +break pwritev_rmw.after_tail A +aio_write -P 10 0xa000 0x200 +wait_break A +aio_write -P 11 0xa800 0x1000 +break pwritev_rmw.after_head B +aio_write -P 10 0xbe00 0x200 +wait_break B +resume A +sleep 100 +resume B +aio_flush +EOF + +cat <<EOF +break pwritev_rmw.after_tail A +aio_write -P 10 0xc000 0x200 +wait_break A +aio_write -P 11 0xc800 0x1000 +break pwritev_rmw.after_head B +aio_write -P 10 0xde00 0x200 +wait_break B +resume B +sleep 100 +resume A +aio_flush +EOF + +# Only RMW for the tail part +cat <<EOF +break pwritev_rmw.after_tail A +aio_write -P 10 0xe000 0x1800 +wait_break A +aio_write -P 11 0xf000 0xc00 +sleep 100 +resume A +aio_flush +EOF + +cat <<EOF +break pwritev A +aio_write -P 10 0x10000 0x800 +wait_break A +break pwritev_rmw.after_tail B +aio_write -P 11 0x10000 0x400 +break pwritev_done C +resume A +wait_break C +resume C +sleep 100 +wait_break B +resume B +aio_flush +EOF + +cat <<EOF +break pwritev A +aio_write -P 10 0x11000 0x800 +wait_break A +aio_write -P 11 0x11000 0x1000 +sleep 100 +resume A +aio_flush +EOF +} + +test_io | $QEMU_IO | _filter_qemu_io | \ + sed -e 's,[0-9/]* bytes at offset [0-9]*,XXX/XXX bytes at offset XXX,g' \ + -e 's/^[0-9]* \(bytes\|KiB\)/XXX bytes/' \ + -e '/Suspended/d' + +echo +echo "== Verify image content ==" + +function verify_io() +{ + # A simple RMW request + echo read -P 0 0 0x200 + echo read -P 10 0x200 0x200 + echo read -P 0 0x400 0xc00 + + # Sequential RMW requests on the same physical sector + echo read -P 0 0x1000 0x200 + echo read -P 10 0x1200 0x200 + echo read -P 11 0x1400 0x200 + echo read -P 0 0x1600 0xa00 + + echo read -P 0 0x2000 0x200 + echo read -P 10 0x2200 0x200 + echo read -P 11 0x2400 0x200 + echo read -P 0 0x2600 0xa00 + + echo read -P 0 0x3000 0x200 + echo read -P 10 0x3200 0x200 + echo read -P 11 0x3400 0x200 + echo read -P 0 0x3600 0xa00 + + echo read -P 0 0x4000 0x200 + echo read -P 10 0x4200 0x200 + echo read -P 11 0x4400 0x200 + echo read -P 0 0x4600 0xa00 + + # Chained dependencies + echo read -P 10 0x5000 0x200 + echo read -P 11 0x5200 0x200 + echo read -P 12 0x5400 0x200 + echo read -P 13 0x5600 0x200 + echo read -P 14 0x5800 0x200 + echo read -P 15 0x5a00 0x200 + echo read -P 16 0x5c00 0x200 + echo read -P 17 0x5e00 0x200 + + # Overlapping multiple requests + echo read -P 10 0x6000 0x200 + echo read -P 0 0x6200 0x600 + echo read -P 11 0x6800 0x1000 + echo read -P 0 0x7800 0x600 + echo read -P 10 0x7e00 0x200 + + echo read -P 10 0x8000 0x200 + echo read -P 0 0x8200 0x600 + echo read -P 11 0x8800 0x1000 + echo read -P 0 0x9800 0x600 + echo read -P 10 0x9e00 0x200 + + echo read -P 10 0xa000 0x200 + echo read -P 0 0xa200 0x600 + echo read -P 11 0xa800 0x1000 + echo read -P 0 0xb800 0x600 + echo read -P 10 0xbe00 0x200 + + echo read -P 10 0xc000 0x200 + echo read -P 0 0xc200 0x600 + echo read -P 11 0xc800 0x1000 + echo read -P 0 0xd800 0x600 + echo read -P 10 0xde00 0x200 + + # Only RMW for the tail part + echo read -P 10 0xe000 0x1000 + echo read -P 11 0xf800 0x400 + echo read -P 0 0xfc00 0x400 + + echo read -P 11 0x10000 0x400 + echo read -P 10 0x10400 0x400 + + echo read -P 11 0x11800 0x800 +} + +verify_io | $QEMU_IO "$TEST_IMG" | _filter_qemu_io + +_check_test_img + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 |