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请教高手。
一台hp server rx5670用sar和top看cpu利用率,为什么差距那么大呢?
这两个工具有多大差别啊
$top
Load averages: 0.92, 0.56, 0.44
392 processes: 371 sleeping, 20 running, 1 zombie
Cpu states:
CPU LOAD USER NICE SYS IDLE BLOCK SWAIT INTR SSYS
0 0.93 6.6% 0.0% 2.8% 90.7% 0.0% 0.0% 0.0% 0.0%
1 0.93 4.4% 0.0% 4.2% 91.5% 0.0% 0.0% 0.0% 0.0%
2 0.85 8.3% 0.0% 3.8% 87.9% 0.0% 0.0% 0.0% 0.0%
3 0.97 10.7% 0.0% 1.2% 88.1% 0.0% 0.0% 0.0% 0.0%
--- ---- ----- ----- ----- ----- ----- ----- ----- -----
avg 0.92 7.6% 0.0% 3.0% 89.5% 0.0% 0.0% 0.0% 0.0%
Memory: 5533764K (2312264K) real, 8820432K (3901640K) virtual, 139696K free Page# 1/13
top显示idle为89.5%
$ sar -u 1 5
HP-UX B.11.23 U ia64 03/16/10
14:44:37 %usr %sys %wio %idle
14:44:38 5 3 67 25
14:44:39 6 2 81 11
14:44:40 6 4 77 13
14:44:41 4 3 72 21
14:44:42 6 4 78 12
Average 5 3 75 16
sar显示idle为16% |
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