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Switched from I/O engine sync to psync because the latter has a slightly lower system call overhead.

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@2741 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2010-11-17 19:24:38 +00:00
parent 6ce1ecf9d8
commit 2eabb7e89b
1 changed files with 2 additions and 2 deletions
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4
scripts/blockdev-perftest
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@@ -107,7 +107,7 @@ time_write() {
else
fio_flags="--direct=0 --end_fsync=1"
fi
fio --rw=write --filename="${device}" --bs=$1 --size=$(($1*$2)) --ioengine=sync --end_fsync=1 --invalidate=1 ${fio_flags} --name=writeperftest \
fio --rw=write --filename="${device}" --bs=$1 --size=$(($1*$2)) --ioengine=psync --end_fsync=1 --invalidate=1 ${fio_flags} --name=writeperftest \
| sed -n 's/.*runt= *\([0-9]*\)msec.*/\1/p' \
| awk '{print $1/1000}'
else
@@ -129,7 +129,7 @@ time_read() {
else
fio_flags="--direct=0"
fi
fio --rw=read --filename="${device}" --bs=$1 --size=$(($1*$2)) --ioengine=sync --end_fsync=1 --invalidate=1 ${fio_flags} --name=readperftest \
fio --rw=read --filename="${device}" --bs=$1 --size=$(($1*$2)) --ioengine=psync --end_fsync=1 --invalidate=1 ${fio_flags} --name=readperftest \
| sed -n 's/.*runt= *\([0-9]*\)msec.*/\1/p' \
| awk '{print $1/1000}'
else