[linux]监控性能命令

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1.查看CPU的信息

[oracle@WZY ~]$ cat /proc/cpuinfo

processor : 0

vendor_id : GenuineIntel

cpu family : 6

model : 37

model name : Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz

stepping : 5

cpu MHz : 2660.069

cache size : 3072 KB

fdiv_bug : no

hlt_bug : no

f00f_bug : no

coma_bug : no

fpu : yes

fpu_exception : yes

cpuid level : 11

wp : yes

……

2.查看内存信息

[oracle@WZY ~]$ cat /proc/meminfo

MemTotal: 1034664 kB

MemFree: 91668 kB

Buffers: 47860 kB

Cached: 641972 kB

SwapCached: 0 kB

Active: 382744 kB

Inactive: 508940 kB

HighTotal: 131008 kB

HighFree: 1932 kB

LowTotal: 903656 kB

LowFree: 89736 kB

SwapTotal: 4128760 kB

SwapFree: 4128760 kB

Dirty: 120 kB

Writeback: 0 kB

AnonPages: 201824 kB

Mapped: 141544 kB

……

3.查看文件的使用情况

[oracle@WZY ~]$ df -ha

Filesystem Size Used Avail Use% Mounted on

/dev/mapper/VolGroup00-LogVol00

16G 4.5G 11G 31% /

proc 0 0 0 - /proc

sysfs 0 0 0 - /sys

devpts 0 0 0 - /dev/pts

/dev/sda1 99M 13M 82M 14% /boot

tmpfs 506M 0 506M 0% /dev/shm

/dev/sdb1 20G 5.0G 14G 27% /u01/app/oracle

none 0 0 0 - /proc/sys/fs/binfmt_misc

none 0.0K 0.0K 0.0K - /proc/fs/vmblock/mountPoint

sunrpc 0 0 0 - /var/lib/nfs/rpc_pipefs

4.查看磁盘IO情况

[oracle@WZY ~]$ iostat -x

Linux 2.6.18-238.el5 (edbjr2p1) 10/15/2014

avg-cpu: %user %nice %system %iowait %steal %idle

1.79 0.04 1.66 7.60 0.00 88.91

Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm %util

sda 17.48 16.00 8.82 4.16 701.00 161.30 66.42 0.78 59.99 7.70 9.99

sda1 0.99 0.00 0.09 0.00 2.19 0.01 22.52 0.00 10.63 8.99 0.09

sda2 16.47 16.00 8.71 4.16 698.50 161.29 66.82 0.78 60.44 7.73 9.95

sdb 12.02 6.19 4.84 2.26 371.70 61.21 60.94 0.13 18.90 11.59 8.23

sdb1 11.96 6.19 4.80 2.26 370.85 61.21 61.15 0.13 18.98 11.62 8.21

dm-0 0.00 0.00 24.84 20.16 697.17 161.29 19.07 11.37 252.54 2.20 9.92

dm-1 0.00 0.00 0.13 0.00 1.08 0.00 8.00 0.00 12.66 1.28 0.02

5.查看当前文件夹下文件大小

[oracle@WZY ORCL]$ du -sh *

768K adump

792K bdump

8.0K cdump

1.1M udump

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