zfs/tests/zfs-tests/tests/functional/io/mmap.ksh

70 lines
1.9 KiB
Bash
Executable File

#! /bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright (c) 2018 by Lawrence Livermore National Security, LLC.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/io/io.cfg
#
# DESCRIPTION:
# Verify memory mapped IO with mmap(2) and memcpy(3)
#
# STRATEGY:
# 1. Use fio(1) in verify mode to perform write, read,
# random read, and random write workloads.
# 2. Repeat the test with additional fio(1) options.
#
if ! compare_version_gte $(fio --version) "fio-2.3"; then
log_unsupported "Requires fio-2.3 or newer"
fi
verify_runnable "global"
function cleanup
{
log_must rm -f "$mntpnt/rw*"
}
log_assert "Verify memory mapped IO with mmap(2) and memcpy(3)"
log_onexit cleanup
ioengine="--ioengine=mmap"
mntpnt=$(get_prop mountpoint $TESTPOOL/$TESTFS)
dir="--directory=$mntpnt"
set -A fio_arg -- "--sync=0" "--sync=1" "--direct=0" "--direct=1"
for arg in "${fio_arg[@]}"; do
log_must fio $dir $ioengine $arg $FIO_WRITE_ARGS
log_must fio $dir $ioengine $arg $FIO_READ_ARGS
log_must fio $dir $ioengine $arg $FIO_RANDWRITE_ARGS
log_must fio $dir $ioengine $arg $FIO_RANDREAD_ARGS
log_must rm -f "$mntpnt/rw*"
done
log_pass "Verified memory mapped IO with mmap(2) and memcpy(3)"