程序需可計(jì)算出每個(gè)進(jìn)程的開(kāi)始執(zhí)行時(shí)間、結(jié)束時(shí)間、周轉(zhuǎn)時(shí)間和帶權(quán)周轉(zhuǎn)時(shí)間，并為整個(gè)程序序列計(jì)算平均周轉(zhuǎn)時(shí)間和平均帶全周轉(zhuǎn)時(shí)間