2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2019 Red Hat, Inc. All Rights Reserved.
7 # Randomly direct AIO write&verify stress test
10 seqres=$RESULT_DIR/$seq
11 echo "QA output created by $seq"
15 status=1 # failure is the default!
16 trap "_cleanup; exit \$status" 0 1 2 3 15
24 # get standard environment, filters and checks
28 # remove previous $seqres.full before test
31 # real QA test starts here
35 _require_aiodio aio-dio-write-verify
37 _scratch_mkfs > $seqres.full 2>&1
40 localfile=$SCRATCH_MNT/testfile
41 diosize=`_min_dio_alignment $SCRATCH_DEV`
43 # The maximum write size and offset are both 32k diosize. So the maximum
44 # file size will be (32 * 2)k
45 free_size_k=`df -kP $SCRATCH_MNT | grep -v Filesystem | awk '{print $4}'`
46 max_io_size_b=$((32 * 1024))
47 if [ $max_io_size_b -gt $((free_size_k * 1024 / 2 / diosize)) ]; then
48 max_io_size_b=$((free_size_k * 1024 / 2 / diosize))
59 local avail_mem=`_available_memory_bytes`
61 # the number of AIO write operation
62 num_oper=$((RANDOM % 64 + 1))
64 for ((i=0; i<num_oper; i++)); do
65 size=$(((RANDOM % max_io_size_b + 1) * diosize))
66 total_size=$((total_size + size*2))
67 if [[ $total_size -ge $avail_mem ]]; then
70 off=$((RANDOM % max_io_size_b * diosize))
71 oper_list="$oper_list -a size=$size,off=$off"
73 truncsize=$(((RANDOM * diosize + RANDOM % diosize) % max_io_size_b))
75 $AIO_TEST -t $truncsize $oper_list $localfile
77 echo "$AIO_TEST -t $truncsize $oper_list $localfile"
78 echo "==========^^ Fail ^^=========="
82 testimes=$((LOAD_FACTOR * 100))
83 while [ $testimes -gt 0 ]; do
89 echo "Silence is golden"