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Dmitry Monakhov
a3d92a6cbd
Perform various regression tests for ext4defrag subsystem 301'th Test1: Defragment file while other task does direct AIO 302'th Test2: Perform defragmentation on file under buffered AIO while third task does direct AIO to donor file 303'th Test3: Two defrag tasks use common donor file. 304'th Test4: Stress defragmentation. Several threads perform fragmentation at random position use inplace=1 will allocate and free blocks inside defrag event improve load pressure. This tests are considered dangerous because 302'th and 303'th are known to trigger OOPS on recent kernels see:https://gist.github.com/dmonakhov/4770294 Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Reviewed-by: Rich Johnston <rjohnston@sgi.com> Signed-off-by: Rich Johnston <rjohnston@sgi.com>
144 lines
2.9 KiB
Bash
144 lines
2.9 KiB
Bash
#! /bin/bash
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# FSQA Test No. 302
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#
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# Ext4 defragmentation stress test
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# Perform defragmentation on file under buffered io
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# while third task does direct io to donor file
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#-----------------------------------------------------------------------
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# (c) 2013 Dmitry Monakhov
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would 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, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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#-----------------------------------------------------------------------
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#
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# creator
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owner=dmonakhov@openvz.org
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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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trap "rm -f $tmp.*; 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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. ./common.defrag
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# real QA test starts here
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_supported_os Linux
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_supported_fs ext4
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_need_to_be_root
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_require_scratch
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_require_defrag
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BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
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# We need space for 2 files (test file, and donor one)
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# reserve 30% in order to avoid ENOSPC
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FILE_SIZE=$((BLK_DEV_SIZE * (512 / (2 + 1))))
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cat >$tmp-$seq.fio <<EOF
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# Common e4defrag regression tests
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[global]
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ioengine=ioe_e4defrag
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iodepth=1
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directory=${SCRATCH_MNT}
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filesize=${FILE_SIZE}
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size=999G
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buffered=0
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fadvise_hint=0
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group_reporting
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##########################################
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# Test2
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# Perform defragmentation on file under buffered io
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# while third task does direct io to donor file
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#
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# Continuous sequential defrag activity
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[defrag-4k]
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stonewall
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ioengine=e4defrag
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iodepth=1
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bs=128k
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donorname=test2.def
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filename=test2
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inplace=0
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rw=write
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numjobs=${LOAD_FACTOR}
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runtime=30*${TIME_FACTOR}
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time_based
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# Run DIO/AIO for donor file
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[donor-file-fuzzer]
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ioengine=libaio
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iodepth=128*${LOAD_FACTOR}
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numjobs=${LOAD_FACTOR}
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verify=0
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direct=1
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bs=64k
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rw=randwrite
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filename=test2.def
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runtime=30*${TIME_FACTOR}
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time_based
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# Verifier thread
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[aio-dio-verifier]
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ioengine=libaio
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iodepth=128*${LOAD_FACTOR}
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numjobs=1
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verify=crc32c-intel
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verify_fatal=1
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verify_dump=1
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verify_backlog=1024
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verify_async=1
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verifysort=1
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buffered=1
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bs=64k
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rw=randrw
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filename=test2
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runtime=30*${TIME_FACTOR}
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time_based
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EOF
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_workout()
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{
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echo ""
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echo " Start defragment activity"
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echo ""
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cat $tmp-$seq.fio >> $seq.full
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run_check $FIO_PROG $tmp-$seq.fio
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}
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_require_fio $tmp-$seq.fio
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_scratch_mkfs >> $seq.full 2>&1
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_scratch_mount
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if ! _workout; then
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umount $SCRATCH_DEV 2>/dev/null
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exit
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fi
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if ! _scratch_unmount; then
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echo "failed to umount"
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status=1
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exit
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fi
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_check_scratch_fs
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status=$?
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exit
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