farrokhi/freebsd-scripts
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add comparison function using -c parameter

Browse Source
This commit is contained in:
Babak Farrokhi 2016-08-09 14:58:51 +04:30
parent 3769fb67c8
commit 110a04cdf1
1 changed files with 36 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
mbuf_autotune.sh
View File

@ -47,13 +47,6 @@ NMBJUMBOP=`expr $MAXMBUFMEM / $MJUMPAGESIZE / 4`
NMBJUMBO9=`expr $MAXMBUFMEM / $MJUM9BYTES / 6`
NMBJUMBO16=`expr $MAXMBUFMEM / $MJUM16BYTES / 6`
echo "Suggested settings:"
echo "kern.ipc.maxmbufmem=$MAXMBUFMEM"
echo "kern.ipc.nmbclusters=$NMBCLUSTERS"
echo "kern.ipc.nmbjumbop=$NMBJUMBOP"
echo "kern.ipc.nmbjumbo9=$NMBJUMBO9"
echo "kern.ipc.nmbjumbo16=$NMBJUMBO16"
NMBUFS=`sysctl -n kern.ipc.nmbufs`
NMMAX1=`expr $NMBCLUSTERS + $NMBJUMBOP + $NMBJUMBO9 + $NMBJUMBO16`
NMMAX2=`expr $MAXMBUFMEM / $MSIZE / 5`
@ -62,4 +55,39 @@ if [ $NMMAX1 -gt $NMMAX2 ]; then
else
NMBUFX=$NMMAX2
fi
echo "kern.ipc.nmbufs=$NMBUFS"
show()
{
echo "# `basename $0 ` suggested settings:"
echo "kern.ipc.maxmbufmem=$MAXMBUFMEM"
echo "kern.ipc.nmbclusters=$NMBCLUSTERS"
echo "kern.ipc.nmbjumbop=$NMBJUMBOP"
echo "kern.ipc.nmbjumbo9=$NMBJUMBO9"
echo "kern.ipc.nmbjumbo16=$NMBJUMBO16"
echo "kern.ipc.nmbufs=$NMBUFS"
}
compare()
{
echo "kern.ipc.maxmbufmem: `sysctl -n kern.ipc.maxmbufmem` (current)"
echo " --> $MAXMBUFMEM (suggested)"
echo "kern.ipc.nmbclusters: `sysctl -n kern.ipc.nmbclusters`"
echo " --> $NMBCLUSTERS"
echo "kern.ipc.nmbjumbop: `sysctl -n kern.ipc.nmbjumbop`"
echo " --> $NMBJUMBOP"
echo "kern.ipc.nmbjumbo9: `sysctl -n kern.ipc.nmbjumbo9`"
echo " --> $NMBJUMBO9"
echo "kern.ipc.nmbjumbo16: `sysctl -n kern.ipc.nmbjumbo16`"
echo " --> $NMBJUMBO16"
echo "kern.ipc.nmbufs: `sysctl -n kern.ipc.nmbufs`"
echo " --> $NMBUFS"
}
if [ $# -gt 0 ]; then
if [ $1 == '-c' ]; then
compare
exit 0
fi
fi
show