锘??xml version="1.0" encoding="utf-8" standalone="yes"?>procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
r b swpd free buff cache si so bi bo in cs us sy id wa st
23 1 414580 1099992 350780 8255568 0 0 23 29 0 0 5 1 94 0 0
14 0 414580 1128004 350792 8255980 0 0 0 1592 1853 5116 88 6 6 0 0
22 1 414580 1088180 350812 8256252 0 0 0 552 1788 4960 87 10 2 0 0
19 0 414580 1079652 350828 8256396 0 0 0 432 1891 5911 92 7 0 0 0
18 0 414580 1129304 350836 8256388 0 0 0 872 1951 6096 93 6 1 0 0
18 0 414580 1122884 350852 8256868 0 0 0 7484 2369 6563 93 5 2 0 0
41 1 414580 1080712 350864 8256856 0 0 0 1848 2120 5674 94 5 1 0 0
34 0 414580 1071992 350880 8257336 0 0 0 388 1651 2743 94 6 0 0 0
26 0 414580 1047152 350904 8257312 0 0 0 2412 1968 5241 92 7 1 0 0
26 0 414580 1080252 350920 8257700 0 0 0 772 2096 8078 92 7 1 0 0
18 0 414580 1079620 350920 8257700 0 0 0 36 1989 7631 89 11 1 0 0
24 0 414580 1053612 350932 8258180 0 0 0 2044 2043 4071 94 6 0 0 0
19 0 414580 1029340 350932 8258180 0 0 0 16 1675 4627 93 7 0 0 0
30 0 414580 1023756 350956 8258540 0 0 0 748 1912 4477 94 6 0 0 0
18 0 414580 1020536 350968 8258528 0 0 0 520 2000 7826 90 7 3 0 0
23 1 414580 1044648 350980 8258672 0 0 0 6976 2282 8503 88 10 2 0 0
20 0 414580 1042212 350992 8258952 0 0 0 2096 1931 4569 93 6 0 0 0
17 0 414580 1061388 351008 8259444 0 0 0 656 1890 5464 93 7 1 0 0
25 0 414580 1077432 351016 8259524 0 0 0 3372 2149 6290 91 6 3 0 0
26 1 414580 1054232 351028 8259880 0 0 0 656 1918 4718 89 10 0 0 0
榪欎釜涓滆タ鏄劇ず
姣忎釜鏃跺埢闇瑕佸垎CPU time-slice鐨剈ser process(thread)澶錛?涓狢PU涓嶅錛屾墍浠PU浼氬緢蹇欍?br />榪欓噷Memory娌℃湁闂錛宻i & so == 0璇存槑娌℃湁闇瑕乻wap鍒皃age涓婂幓鐨勪笢瑗匡紝鐗╃悊鍐呭瓨瓚沖
bi(block input)鍙湁涓涓紝杈撳嚭娌℃湁闂錛屽伓灝旇緭鍏o鐨勯熺巼浼氱◢寰參涓浜涳紝榪欎釜搴旇涓巗ector鐨勮川閲忔湁鍏熾傝屼笖娌℃湁process琚玸uspend鍒癐O涓婄殑閲忓緢灝戝嚑涔庢病鏈夈?br />
榪欓噷闈㈡湁寰堝interrupt浠ュ強context swith錛岃繖涓簲璇ユ槸涓庢瘡涓猽ser process瑕佸仛鐨勪簨鎯呯浉鍏籌紝寰堝process瑕佸幓璇繪暟鎹紝鐒跺悗璇誨啓鎿嶄綔浼氶潪甯稿揩錛孖O瀹屾垚鍚嶣lock device driver搴旇浼氭姤interrupt涓婃潵錛岃繖浜沬nterrupt閮戒細瑙﹀彂context swith銆傚鑷碈PU澶勭悊鑳藉姏榪涗竴姝ラ檷浣庛?br />
鎵浠ョ摱棰堝湪浜嶤PU鏁伴噺錛屼互鍙婂湪榪欏嚑涓狢PU涓婂仛浜嬫儏鐨凱rocess涓湁澶鐨勮鎿嶄綔瀵艱嚧涓嶆柇鐨凜ontext swith
寤鴻澧炲姞CPU鏁伴噺錛涜鍐欐搷浣滃仛濂紺ache錛屼笉瑕乤lways瑙﹀彂搴曞眰璇誨啓銆?br />
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