#!/bin/sh

# Do "ps aux" on a node, exclude system processes
# Usage: sshps nodename(s)

PS="/bin/ps"
PSFLAGS="-o pid,state,user,start,cputime,%cpu,rssize,command --columns 100"
SSH="ssh -n -x"
PING="/bin/ping -c 1 -w 3"

# System users excluded from the list
USERLIST="root rpc rpcuser daemon ntp smmsp sshd hpsmh named dbus"

# Replace "+" by " " for "+"-separated nodelists from PBS
NODES=`echo $* | sed 's/+/ /g'`
# echo Nodelist: $NODES

for node in $NODES
do
	echo Node ${node}: `pbsnodes -a $node | grep 'jobs = '`
	if $PING $node 2>&1 > /dev/null
	then
		$SSH $node $PS $PSFLAGS --deselect -u \""$USERLIST"\"
	else
		echo '*** WARNING ***' Cannot ping host ${node} !
	fi
done