1 sscontrol metric
2 追加 sitename+sn2+...+snN:metric+metric1+...+metricN
2 除去 sitename+sn2+...+snN:metric+metric1+...+metricN
2 proportions sitename+sn2+...+snN:proportion1 prop2 prop3...propN
2 status sitename+sn2+...+snN metric+metric1+...+metricN