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trivial updates to get more bits to work together.

#!/bin/sh
# 
# Wrapper for automating benchmarking runs.
# Usage:   bench [passes] [user] [group] [script]
# 
# ..where passes is the number of times to run each script; uid/gid
# gives credentials to use when running the script; and script is a
# simple wrapper around each actual benchmark tool (eg. see run.*),
# if this is ommited, all run.* scripts are used in turn.
# 
# Each run.foo script should report a comma-separated-value list of
# benchmark results on stdout or fail with a non-zero exit code;
# unless the -i option is supplied in which case it should instead
# report a comma-separated-value list of column headers (for report
# generation purposes).
# 
#-----------------------------------------------------------------------
# Copyright (c) 2002 Silicon Graphics, Inc.  All Rights Reserved.
# 
# This program is free software; you can redistribute it and/or modify it
# under the terms of version 2 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.
# 
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like.  Any license provided herein, whether implied or
# otherwise, applies only to this software file.  Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
# 
# You should have received a copy of the GNU General Public License along
# with this program; if not, write the Free Software Foundation, Inc., 59
# Temple Place - Suite 330, Boston MA 02111-1307, USA.
# 
# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
# Mountain View, CA  94043, or:
# 
# http://www.sgi.com 
# 
# For further information regarding this notice, see: 
# 
# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
#-----------------------------------------------------------------------
#
# creator
owner=nathans@sgi.com

tmp=/tmp/$$
seq=bench
here=`pwd`
status=1	# failure is the default!

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

_cleanup()
{
    echo "        *** umount"
    umount $SCRATCH_DEV >/dev/null 2>&1
}

trap "_cleanup; exit \$status" 0 1 2 3 15

ROOT="."
LOG="$ROOT/bench.log"
FULL="$ROOT/bench.full"

_log()
{
    echo "$*" 1>&2
    echo "$*" >>$LOG
    echo "$*" >>$FULL
    sync
}

_logp()
{
    tee -a $FULL
}

_fail()
{
    _log "$*"
    status=1
    exit 1
}

_run_benchmark()
{
    pass=1
    uid=`id -u $user`
    gid=`id -g $group`
    
    while [ $pass -le $passes -o $passes -lt 0 ]
    do
        _log "        *** clean scratch device [$bench starting, pass $pass]"
        mkfs_xfs -f $SCRATCH_DEV 2>&1 |  _fix_malloc >>$FULL \
                        || _fail "            !!! failed to mkfs SCRATCH_DEV"

        _log "        *** mounting scratch device"
        mount -t xfs $SCRATCH_DEV $SCRATCH_MNT \
                            || _fail "            !!! failed to mount"
        
        _log "        *** mkdir"
        mkdir $SCRATCH_MNT/bench \
                            || _fail "            !!! couldn't mkdir benchdir"
        chown -R $user.$group $SCRATCH_MNT/bench \
                            || _fail "            !!! couldn't chown benchdir"
        cd $SCRATCH_MNT/bench

        _log "        *** bench [src/runas -u $uid -g $gid run.$bench]"
        $here/src/runas -u $uid -g $gid $here/run.$bench | _logp
        [ $? -eq 0 ]        || _fail "            !!! non-zero $bench status"
        cd $here

        _log "        *** unmounting scratch device"
        umount $SCRATCH_DEV 2>&1 | _logp \
                            || _fail "            !!! failed to umount"

        _log "        *** post-umount filesystem check"
        _check_fs $SCRATCH_DEV
        
        let "pass = pass + 1"
    done
}

# real QA test starts here

_require_scratch

passes=-1
user=root
group=root
benches=`echo run.* | sed -e 's/run\.//g'`

[ $# -gt 0 ] && passes=$1
[ $# -gt 1 ] && user=$2
[ $# -gt 2 ] && group=$3
[ $# -gt 3 ] && benches=$4

[ -z "$benches" -o "$benches" = "*" ] && _fail "no benchmark scripts found"

for bench in $benches
do 
    echo "" >$FULL
    echo "" >$LOG
    _log "*** benchmark started (passes=$passes, benchmark=$bench)"
    _log "***     (`date`)"
    _log "        *** unmounting scratch device"
    umount $SCRATCH_DEV 2>&1 | _fix_malloc >>$FULL

    _run_benchmark |  _fix_malloc

    _log "*** done $bench"
done
status=0