#!/usr/bin/ksh
#
# zonefss - zone FSS administration. Solaris 10.
#
# 05-Apr-2005, ver 0.50   (first release)
#
# USAGE: zonefss -l | -z zone shares
#    eg,
#        zonefss -l              # list FSS share values for all zones
#        zonefss -z global 10    # set the global zone shares to 10
#
# Standard Disclaimer: This is freeware, use at your own risk.
#
# 05-Apr-2005   Brendan Gregg   Created this.
#

### Process Arguments
PATH=/usr/bin:/usr/sbin
list=0
set=0
if [[ "$1" == "-l" ]]; then
        shift; list=1
fi
if [[ "$1" == "-z" ]]; then
	shift; set=1
	zone=$1; shift
	shares=$1; shift
fi
	

### List FSS shares
if (( list )); then
	printf "%4s %-16s %s\n" "ID" "NAME" "SHARES"
	for zone in `zoneadm list`
	do
		prctl -n zone.cpu-shares -i zone $zone | awk '
		 $1 ~ /^zone:/ { 
			zone = $3; 
			id = substr($2,0,(length($2)-1));
		 }
		 $1 ~ /^privileged$/ { printf("%4s %-16s %d\n",id,zone,$2); }
		'
	done
	exit
fi

### Set FSS shares
if (( set )); then
	prctl -n zone.cpu-shares -v $shares -r -i zone $zone
	exit
fi

### Print usage
echo >&2 "USAGE: zonefss -l | -z zone shares
   eg,
       zonefss -l              # list FSS share values for all zones
       zonefss -z global 10    # set the global zone shares to 10"