tree bbb3e550d507b53cfa2cd62ff32106d153108a07
parent ccd6c9daef4f4d1a3bd76471260ae0ef45a87c02
author buyingyi <buyingyi@gmail.com> 1384383134 -0800
committer buyingyi <buyingyi@gmail.com> 1384383134 -0800

let system_load be average of a specified period