Linux性能测试 /proc目录

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/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/cpuinfoprocessor       : 0vendor_id       : GenuineIntelcpu family      : 6model           : 15model name      : Intel(R) Pentium(R) Dual  CPU  E2180  @ 2.00GHzstepping        : 13cpu MHz         : 2000.000cache size      : 1024 KBphysical id     : 0siblings        : 2core id         : 0cpu cores       : 2fdiv_bug        : nohlt_bug         : nof00f_bug        : nocoma_bug        : nofpu             : yesfpu_exception   : yescpuid level     : 10wp              : yesflags           : 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 xtprbogomips        : 4002.68

[root@SM155 proc]# cat /proc/meminfoMemTotal:      2073624 kBMemFree:       1174376 kBBuffers:         89440 kBCached:         676780 kBSwapCached:          0 kBActive:         517460 kBInactive:       317268 kBHighTotal:     1178312 kBHighFree:       426304 kBLowTotal:       895312 kBLowFree:        748072 kBSwapTotal:     2008116 kBSwapFree:      2008116 kBDirty:             192 kBWriteback:           0 kBMapped:         135720 kBSlab:            47856 kBCommitLimit:   3044928 kBCommitted_AS:   659484 kBPageTables:       2240 kBVmallocTotal:   106488 kBVmallocUsed:      4236 kBVmallocChunk:   101040 kBHugePages_Total:     0HugePages_Free:      0Hugepagesize:     2048 kB[root@SM155 proc]# [root@SM155 proc]#

[root@SM155 proc]# cat /proc/mountsrootfs / rootfs rw 0 0/proc /proc proc rw,nodiratime 0 0none /dev tmpfs rw 0 0/dev/root / ext3 rw 0 0none /dev tmpfs rw 0 0/proc /proc proc rw,nodiratime 0 0/proc/bus/usb /proc/bus/usb usbfs rw 0 0/sys /sys sysfs rw 0 0none /dev/pts devpts rw 0 0/dev/sda1 /boot ext3 rw 0 0/dev/sda2 /share ext3 rw 0 0none /dev/shm tmpfs rw 0 0/dev/sdb1 /disk1 ext3 rw 0 0none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0/dev/sda2 /swb/log/stbdata/config ext3 rw 0 0

[root@SM155 proc]# cat /proc/zoneinfoNode 0, zone      DMA  pages free     2821        min      17        low      21        high     25        active   0        inactive 0        scanned  0 (a: 0 i: 0)        spanned  4096        present  4096        protection: (0, 880, 1007)  pagesets    cpu: 0 pcp: 0              count: 5              low:   2              high:  6              batch: 1    cpu: 0 pcp: 1              count: 0              low:   0              high:  2              batch: 1    cpu: 1 pcp: 0              count: 5              low:   2              high:  6              batch: 1    cpu: 1 pcp: 1              count: 0              low:   0              high:  2              batch: 1  all_unreclaimable: 0  prev_priority:     12  temp_priority:     12  start_pfn:         0

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