CRS-09313
*Example :
showtrail -n stadn59 -diskid hda1 qlen totalwaittime -s "2007-11-12 23:05:00" -e "2007-11-12 23:15:00 " -c "red" "yellow"
showtrail -n stadn59 -diskid hda1 qlen totalwaittime -s "2007-11-12 23:05:00" -e "2007-11-12 23:15:00 " -c "red" "yellow"