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45 lines
894 B
Bash
45 lines
894 B
Bash
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
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TID="generic_02"
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ERR_CODE=0
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if ! _have_program bpftrace; then
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exit "$UBLK_SKIP_CODE"
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fi
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_prep_test "null" "sequential io order for MQ"
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dev_id=$(_add_ublk_dev -t null -q 2)
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_check_add_dev $TID $?
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dev_t=$(_get_disk_dev_t "$dev_id")
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bpftrace trace/seq_io.bt "$dev_t" "W" 1 > "$UBLK_TMP" 2>&1 &
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btrace_pid=$!
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sleep 2
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if ! kill -0 "$btrace_pid" > /dev/null 2>&1; then
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_cleanup_test "null"
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exit "$UBLK_SKIP_CODE"
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fi
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# run fio over this ublk disk
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fio --name=write_seq \
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--filename=/dev/ublkb"${dev_id}" \
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--ioengine=libaio --iodepth=16 \
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--rw=write \
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--size=512M \
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--direct=1 \
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--bs=4k > /dev/null 2>&1
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ERR_CODE=$?
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kill "$btrace_pid"
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wait
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if grep -q "io_out_of_order" "$UBLK_TMP"; then
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cat "$UBLK_TMP"
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ERR_CODE=255
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fi
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_cleanup_test "null"
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_show_result $TID $ERR_CODE
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