#!/bin/bash
#
# Copyright (c) 2005 Silicon Graphics, Inc.  All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
#
# (very) simple file realtime IO tests.
# TODO: make file size multiple of physmem.

filesize=1g
iosize=64k

if [ $# -gt 0 ]; then
	printf "%s,%s,%s,%s,%s\n" type bytes ops time bytes/sec ops/sec
	exit 0
fi

# buffered write
echo -n bwrite,
xfs_io iofile	-Rft	-c "pwrite -C -b $iosize 0 $filesize"

# direct write
echo -n dwrite,
xfs_io iofile	-Rftd	-c "pwrite -C -b $iosize 0 $filesize"

# buffered re-write
echo -n brwrite,
xfs_io iofile	-R	-c "pwrite -C -b $iosize 0 $filesize"

# direct re-write
echo -n drwrite,
xfs_io iofile	-Rd	-c "pwrite -C -b $iosize 0 $filesize"

# buffered read
echo -n bread,
xfs_io iofile	-R	-c "pread -C -b $iosize 0 $filesize"

# buffered re-read
echo -n brread,
xfs_io iofile	-R	-c "pread -C -b $iosize 0 $filesize"

# direct read
echo -n dread,
xfs_io iofile	-Rd	-c "pread -C -b $iosize 0 $filesize"

# direct re-read
echo -n drread,
xfs_io iofile	-Rd	-c "pread -C -b $iosize 0 $filesize"