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iostat , sar , top这三块表显示的结果都不一样。
按照莫非定理，如果你有一块表，那么时间是确定的，如果你有三块表，时间就无法判断了。
Linux 2.6.5-7.244-smp (KF1FS1) 12/14/07
avg-cpu: %user %nice %sys %iowait %idle
35.53 0.12 11.01 53.33 1902.59
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
cciss/c0d0 0.44 5.75 0.64 1.89 0.00 0.00 0.00 0.00 0.00 0.01 2.93 0.55 0.14
sda 0.02 21.07 1.39 3.88 27.43 141.76 13.71 70.88 32.12 0.08 15.81 5.14 2.71
sdb 0.01 19.57 0.69 3.70 10.91 141.76 5.45 70.88 34.78 0.07 16.65 5.12 2.25
sdc 0.01 19.65 0.64 3.74 10.51 141.76 5.26 70.88 34.76 0.08 17.50 5.17 2.26
sdd 0.01 19.59 0.64 3.71 10.54 141.76 5.27 70.88 34.97 0.08 17.26 5.11 2.23
sde 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.17 0.00 37.90 37.90 0.00
sdf 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.94 0.00 20.55 16.18 0.00
sdg 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.94 0.00 19.73 15.39 0.00
sdh 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.95 0.00 16.41 12.88 0.00
sdi 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.96 0.00 10.98 8.96 0.00
sdj 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.58 0.00 10.62 10.62 0.00
sdk 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.00 0.00 25.39 25.39 0.00
sdl 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.00 0.00 0.22 0.22 0.00
avg-cpu: %user %nice %sys %iowait %idle
10.00 0.00 22.00 68.00 0.00
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
cciss/c0d0 0.00 0.00 3.48 0.00 0.00 0.00 0.00 0.00 0.00 0.02 8.57 3.43 1.19
sda 0.00 98.01 3.98 17.91 31.84 0.00 15.92 0.00 1.45 0.48 21.73 5.98 13.08
sdb 0.00 0.00 5.47 0.00 43.78 0.00 21.89 0.00 8.00 0.04 7.27 7.27 3.98
sdc 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdd 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sde 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdf 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdg 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdh 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdi 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdj 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdk 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdl 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
avg-cpu: %user %nice %sys %iowait %idle
28.57 0.00 10.39 61.04 0.00
Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
cciss/c0d0 0.00 29.29 0.00 4.04 0.00 0.00 0.00 0.00 0.00 0.00 0.88 0.38 0.15
sda 0.00 0.00 5.05 0.00 40.40 0.00 20.20 0.00 8.00 0.05 9.60 9.60 4.85
sdb 0.00 81.82 6.06 14.14 48.48 0.00 24.24 0.00 2.40 0.31 15.12 7.15 14.44
sdc 0.00 111.11 1.01 19.19 8.08 0.00 4.04 0.00 0.40 0.42 20.93 5.50 11.11
sdd 0.00 0.00 1.01 0.00 8.08 0.00 4.04 0.00 8.00 0.01 8.50 8.50 0.86
sde 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdf 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdg 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdh 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdi 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdj 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdk 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
sdl 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
avg-cpu: %user %nice %sys %iowait %idle
7.89 0.00 21.05 71.05 0.00
----------------------- SAR -------------------------------------------------
Linux 2.6.5-7.244-smp (KF1FS1) 12/14/07
23:38:52 CPU %user %nice %system %iowait %idle
23:38:54 all 10.64 0.00 21.28 68.09 0.00
23:38:56 all 28.57 0.00 10.39 61.04 0.00
23:38:58 all 7.89 0.00 21.05 71.05 0.00
23:39:00 all 2.70 0.00 8.11 89.19 0.00
23:39:02 all 24.64 0.00 7.25 68.12 0.00
23:39:04 all 2.44 0.00 9.76 87.80 0.00
23:39:06 all 43.18 0.00 11.36 45.45 0.00
23:39:08 all 1.54 0.00 4.62 93.85 0.00
23:39:10 all 0.00 0.00 13.89 86.11 0.00
23:39:12 all 24.29 0.00 5.71 70.00 0.00
Average: all 16.41 0.00 10.50 73.09 0.00
---------------------------- TOP ---------------------------------------------------------
top - 23:38:52 up 175 days, 7:11, 2 users, load average: 4.23, 4.29, 4.26
Tasks: 267 total, 1 running, 265 sleeping, 1 stopped, 0 zombie
Cpu(s): 1.3% us, 0.3% sy, 0.0% ni, 96.3% id, 2.0% wa, 0.0% hi, 0.1% si
Mem: 2074392k total, 2028380k used, 46012k free, 58468k buffers
Swap: 4198296k total, 48k used, 4198248k free, 868432k cached |
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发表于 2007-12-14 10:29