Linux性能测试 /proc目录

/proc文件系统 - 各种内核信息
/proc目录下文件提供了很多不同硬件设备和内核的详细信息。更多详情参见Linux kernel /proc。一般/proc例如：

[root@SM155 proc]# cat /proc/cpuinfo
processor       :
vendor_id       : GenuineIntel
cpu family      :
model           :
model name      : Intel(R) Pentium(R) Dual  CPU  E2180  @ .00GHz
stepping        :
cpu MHz         : 2000.000
cache size      :  KB
physical id     :
siblings        :
core id         :
cpu cores       :
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     :
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl est tm2 xtpr
bogomips        : 4002.68

[root@SM155 proc]# cat /proc/meminfo
MemTotal:       kB
MemFree:        kB
Buffers:          kB
Cached:          kB
SwapCached:           kB
Active:          kB
Inactive:        kB
HighTotal:      kB
HighFree:        kB
LowTotal:        kB
LowFree:         kB
SwapTotal:      kB
SwapFree:       kB
Dirty:              kB
Writeback:            kB
Mapped:          kB
Slab:             kB
CommitLimit:    kB
Committed_AS:    kB
PageTables:        kB
VmallocTotal:    kB
VmallocUsed:       kB
VmallocChunk:    kB
HugePages_Total:
HugePages_Free:
Hugepagesize:      kB
[root@SM155 proc]#
[root@SM155 proc]# 

[root@SM155 proc]# cat /proc/mounts
rootfs / rootfs rw
/proc /proc proc rw,nodiratime
none /dev tmpfs rw
/dev/root / ext3 rw
none /dev tmpfs rw
/proc /proc proc rw,nodiratime
/proc/bus/usb /proc/bus/usb usbfs rw
/sys /sys sysfs rw
none /dev/pts devpts rw
/dev/sda1 /boot ext3 rw
/dev/sda2 /share ext3 rw
none /dev/shm tmpfs rw
/dev/sdb1 /disk1 ext3 rw
none /proc/sys/fs/binfmt_misc binfmt_misc rw
/dev/sda2 /swb/log/stbdata/config ext3 rw  

[root@SM155 proc]# cat /proc/zoneinfo
Node , zone      DMA
  pages free
        min
        low
        high
        active
        inactive
        scanned   (a:  i: )
        spanned
        present
        protection: (, , )
  pagesets
    cpu:  pcp:
              count:
              low:
              high:
              batch:
    cpu:  pcp:
              count:
              low:
              high:
              batch:
    cpu:  pcp:
              count:
              low:
              high:
              batch:
    cpu:  pcp:
              count:
              low:
              high:
              batch:
  all_unreclaimable:
  prev_priority:
  temp_priority:
  start_pfn: