銆婃搷浣滅郴缁熸暀绋嬨�?/p>
锛堢涓夌増锛?/p>
CH1
搴旂敤棰樺弬鑰冪瓟妗?/p>
1
CH1
搴旂敤棰樺弬鑰冪瓟妗?/p>
1
鏈変竴鍙拌绠楁満锛屽叿鏈?/p>
1MB
鍐呭瓨锛屾搷浣滅郴缁熷崰鐢?/p>
200KB
锛屾瘡涓敤鎴疯繘绋嬪悇鍗?/p>
200KB
銆傚鏋滅敤鎴疯繘
绋嬬瓑寰?/p>
I/O
鐨勬椂闂翠负
80%
锛岃嫢澧炲姞
1MB
鍐呭瓨锛屽垯
CPU
鐨勫埄鐢ㄧ巼鎻愰珮澶氬皯锛?/p>
绛旓細
璁炬瘡涓繘绋嬬瓑寰?/p>
I/O
鐨勭櫨鍒嗘瘮涓?/p>
P
锛屽垯
n
涓繘绋嬪悓鏃剁瓑寰?/p>
I/O
鐨勬鐜囨槸
P
n
锛屽綋
n
涓繘绋嬪悓鏃剁瓑寰?
I/O
鏈熼棿
CPU
鏄┖闂茬殑锛屾晠
CPU
鐨勫埄鐢ㄧ巼涓?/p>
1-P
n
銆傜敱棰樻剰鍙煡锛岄櫎鍘绘搷浣滅郴缁燂紝鍐呭瓨杩樿兘瀹圭撼
4
涓敤鎴疯繘绋嬶紝鐢变簬姣忎釜鐢ㄦ埛杩涚▼绛夊緟
I/O
鐨勬椂闂翠负
80%
锛屾晠锛?/p>
CPU
鍒╃敤鐜?/p>
=1-(80%)
4
=0.59
鑻ュ啀澧炲姞
1MB
鍐呭瓨锛岀郴缁熶腑鍙悓鏃惰繍琛?/p>
9
涓敤鎴疯繘绋嬶紝姝ゆ椂锛?/p>
CPU
鍒╃敤鐜?/p>
=1-(80%)
9
=0.87
鏁呭鍔?/p>
1MB
鍐呭瓨浣?/p>
CPU
鐨勫埄鐢ㄧ巼鎻愰珮浜?/p>
47%
锛?/p>
87%
梅
59%=147%
147%-100%=47%
2
涓�涓绠楁満绯荤粺锛屾湁涓�鍙拌緭鍏ユ満鍜屼竴鍙版墦鍗版満锛岀幇鏈変袱閬撶▼搴忔姇鍏ヨ繍琛岋紝涓旂▼搴?/p>
A
鍏堝紑濮嬪仛锛岀▼
搴?/p>
B
鍚庡紑濮嬭繍琛屻�傜▼搴?/p>
A
鐨勮繍琛岃建杩逛负锛氳绠?/p>
50ms
銆佹墦鍗?/p>
100ms
銆佸啀璁＄畻
50ms
銆佹墦鍗?/p>
100ms
锛?/p>
缁撴潫銆傜▼搴?/p>
B
鐨勮繍琛岃建杩逛负锛氳绠?/p>
50ms
銆佽緭鍏?/p>
80ms
銆佸啀璁＄畻
100ms
锛岀粨鏉熴�傝瘯璇存槑
(1)
涓ら亾绋嬪簭
杩愯鏃讹紝
CPU
鏈夋棤绌洪棽绛夊緟锛熻嫢鏈夛紝鍦ㄥ摢娈垫椂闂村唴绛夊緟锛熶负浠�涔堜細绛夊緟锛?/p>
(2)
绋嬪簭
A
銆?/p>
B
鏈夋棤绛夊緟
CPU
鐨勬儏鍐碉紵鑻ユ湁锛屾寚鍑哄彂鐢熺瓑寰呯殑鏃跺埢銆?/p>
绛旓細鐢诲嚭涓ら亾绋嬪簭骞跺彂鎵ц鍥惧涓嬶細
(1)
涓ら亾绋嬪簭杩愯鏈熼棿锛?/p>
CPU
瀛樺湪绌洪棽绛夊緟锛屾椂闂翠负
100
鑷?/p>
150ms
涔嬮棿
(
瑙佸浘涓湁鑹查儴鍒?/p>
)
銆?/p>
(2)
绋嬪簭
A
鏃犵瓑寰呯幇璞★紝浣嗙▼搴?/p>
B
鏈夌瓑寰呫�傜▼搴?/p>
B
鏈夌瓑寰呮椂闂存涓?/p>
180ms
鑷?/p>
200ms
闂?/p>
(
瑙佸浘涓湁鑹查儴
鍒?/p>
)
銆?/p>
3
璁炬湁涓夐亾绋嬪簭锛屾寜
A
銆?/p>
B
銆?/p>
C
浼樺厛娆″簭杩愯锛屽叾鍐呴儴璁＄畻鍜?/p>
I/O
鎿嶄綔鏃堕棿鐢卞浘缁欏嚭銆?/p>
A
B
C
C
11
锛?/p>
30ms
C
21
=60ms
C
31
=20ms
鈭?/p>
鈭?/p>
鈭?/p>
I
12
锛?/p>
40ms
I
22
=30ms
I
32
=40ms
鈭?/p>
鈭?/p>
鈭?/p>
C
13
锛?/p>
10ms
C
23
=10ms
C
33
=20ms
澶勭悊鍣?/p>
杈撳叆鏈?/p>
鎵撳嵃鏈?/p>
绋嬪簭
A
绋嬪簭
B
A
璁＄畻
B
璁＄畻
璁＄畻
璁＄畻
鏃堕棿
(ms)
0
50
100
150
180 200
250
300
鎵撳嵃
璁＄畻
鎵撳嵃
杈撳叆
璁＄畻
A
鎵撳嵃
A
鎵撳嵃
B
杈撳叆
A
璁＄畻
B
璁＄畻