#!/bin/sh
#
# Wrapper for automating benchmarking runs.
-# Usage: bench [passes] [user] [group] [script]
+# 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
owner=nathans@sgi.com
tmp=/tmp/$$
-seq=bench
here=`pwd`
status=1 # failure is the default!
umount $SCRATCH_DEV >/dev/null 2>&1
}
-trap "_cleanup; exit \$status" 0 1 2 3 15
-
-ROOT="."
-LOG="$ROOT/bench.log"
-FULL="$ROOT/bench.full"
+OUT="bench.out"
+LOG="bench.log"
+FULL="bench.full"
_log()
{
do
_log " *** clean scratch device [$bench starting, pass $pass]"
mkfs_xfs -f $SCRATCH_DEV 2>&1 | _fix_malloc >>$FULL \
- || _fail " !!! failed to mkfs SCRATCH_DEV"
+ || _fail " !!! mkfs SCRATCH_DEV failed"
_log " *** mounting scratch device"
mount -t xfs $SCRATCH_DEV $SCRATCH_MNT \
|| _fail " !!! couldn't mkdir benchdir"
chown -R $user.$group $SCRATCH_MNT/bench \
|| _fail " !!! couldn't chown benchdir"
+
cd $SCRATCH_MNT/bench
+ seq=`perl -e 'printf "results.%s.%03d\n", '$bench, $pass`
_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"
+ $here/src/runas -u $uid -g $gid $here/run.$bench \
+ | _fix_malloc | tee $seq | _logp
cd $here
_log " *** unmounting scratch device"
done
}
+_merge_results()
+{
+ echo Results for $bench benchmark >>$OUT
+ echo results.$bench.* | sort -u | xargs cat >>$OUT
+ echo >>$OUT
+}
+
# real QA test starts here
-_require_scratch
+if [ $# -lt 3 ]; then
+ echo Usage: bench passes user group [script]
+ exit 1
+fi
-passes=-1
-user=root
-group=root
-benches=`echo run.* | sed -e 's/run\.//g'`
+passes=$1
+user=$2
+group=$3
-[ $# -gt 0 ] && passes=$1
-[ $# -gt 1 ] && user=$2
-[ $# -gt 2 ] && group=$3
+benches=`echo run.* | sed -e 's/run\.//g'`
[ $# -gt 3 ] && benches=$4
-
[ -z "$benches" -o "$benches" = "*" ] && _fail "no benchmark scripts found"
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_require_scratch
+
+rm -f bench.*
for bench in $benches
do
echo "" >$FULL
_log " *** unmounting scratch device"
umount $SCRATCH_DEV 2>&1 | _fix_malloc >>$FULL
- _run_benchmark | _fix_malloc
+ _run_benchmark | _fix_malloc
+ _merge_results
_log "*** done $bench"
done
{
mkdir ./dbench || exit 1
cd dbench
- dbench $DBENCH_CLIENTS || exit 1
+ dbench $DBENCH_CLIENTS
+ status=$?
cd ..
- rm -fr ./dbench || exit 1
+ rm -fr ./dbench
+ [ $status -ne 0 ] && exit 1
}
-# dbench gives:
+#
+# Sample dbench output:
# "Throughput 40.6701 MB/sec (NB=50.8376 MB/sec 406.701 MBit/sec)"
#
if [ $# -gt 0 ]; then
echo "clients,MB/sec"
exit 0
fi
-run_dbench | perl -ne \
- 'if (m/^Throughput (\S+) /) { print '$DBENCH_CLIENTS',",",$1,"\n"; }'
-
+run_dbench | awk 'END { printf "%u,%s\n", '$DBENCH_CLIENTS', $2 }'