Two years of experience with a mu - kernel based os . operating systems review , april 1991 , 25 : 51 - 62 然而,在過去,基于用戶級設(shè)備驅(qū)動程序的系統(tǒng)一般表現(xiàn)出低劣的性能。
Two years of experience with a mu - kernel based os . operating systems review , april 1991 , 25 : 51 - 62 . 2 alessandro forin , david golub , brian bershad 因?yàn)榈湫偷那闆r是:研究人員發(fā)現(xiàn),用戶級驅(qū)動程序引入的額外上下文切換導(dǎo)致了整體性能的明顯下降。