roboshark

use a script like this:

#!/bin/sh

proc=${1}
if [ -z ${proc} ]; then
echo "usage: $0 process_name";
exit 1;
fi
ps ax | awk "\$5 ~ /$proc/ { print \$0 }"

Alternatively, use "print \$1" instead of the final "print \$0" to print only the actual PID.