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|
#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# FSQA Test No. 299
#
# AIO/DIO stress test
# Run random AIO/DIO activity and fallocate/truncate simultaneously
# Test will operate on huge sparsed files so ENOSPC is expected.
#
. ./common/preamble
_begin_fstest auto aio enospc rw stress prealloc
fio_config=$tmp.fio
fio_out=$tmp.fio.out
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs generic
_require_test
_require_scratch
_require_odirect
_require_aio
_require_block_device $SCRATCH_DEV
_require_xfs_io_command "falloc"
NUM_JOBS=$((4*LOAD_FACTOR))
BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
FILE_SIZE=$((BLK_DEV_SIZE * 512))
max_file_size=$(_get_max_file_size $TEST_DIR)
if [ $max_file_size -lt $FILE_SIZE ]; then
FILE_SIZE=$max_file_size
fi
cat >$fio_config <<EOF
###########
# $seq test fio activity
# Filenames derived from jobsname and jobid like follows:
# ${JOB_NAME}.${JOB_ID}.${ITERATION_ID}
[global]
ioengine=libaio
bs=128k
directory=${SCRATCH_MNT}
filesize=${FILE_SIZE}
size=999G
iodepth=128*${LOAD_FACTOR}
continue_on_error=write
ignore_error=,ENOSPC
error_dump=0
create_on_open=1
fallocate=none
exitall=1
## Perform direct aio, to files which may be truncated
## by external task
[direct_aio]
direct=1
buffered=0
numjobs=${NUM_JOBS}
rw=randwrite
runtime=100*${TIME_FACTOR}
time_based
# Perform direct aio and verify data
# This test case should check use-after-free issues
[aio-dio-verifier]
numjobs=1
verify=crc32c-intel
verify_fatal=1
verify_dump=1
verify_backlog=1024
verify_async=4
verifysort=1
direct=1
bs=512
rw=randrw
filename=aio-dio-verifier
# Perform buffered aio and verify data
# This test case should check use-after-free issues
[buffered-aio-verifier]
numjobs=1
verify=crc32c-intel
verify_fatal=1
verify_dump=1
verify_backlog=1024
verify_async=4
verifysort=1
direct=0
buffered=1
bs=512
rw=randrw
filename=buffered-aio-verifier
EOF
_require_fio $fio_config
_scratch_mkfs >> $seqres.full 2>&1
_scratch_mount
echo ""
echo "Run fio with random aio-dio pattern"
echo ""
cat $fio_config >> $seqres.full
$FIO_PROG $fio_config --output=$fio_out &
pid=$!
echo "Start fallocate/truncate loop"
for ((i=0; ; i++)); do
for ((k=1; k <= NUM_JOBS; k++)); do
$XFS_IO_PROG -f -c "falloc 0 $FILE_SIZE" \
$SCRATCH_MNT/direct_aio.$k.0 >> $seqres.full 2>&1
done
for ((k=1; k <= NUM_JOBS; k++)); do
$XFS_IO_PROG -c "truncate 0" \
$SCRATCH_MNT/direct_aio.$k.0 >> $seqres.full 2>&1
done
# Following like will check that pid is still run.
# Once fio exit we can stop fallocate/truncate loop
pgrep -f "$FIO_PROG" > /dev/null 2>&1 || break
done
wait $pid
cat $fio_out >> $seqres.full
status=0
exit
|
