/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 : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Pentium(R) Dual CPU E2180 @ 2.00GHz stepping : 13 cpu MHz : 2000.000 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 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: 2073624 kB MemFree: 1174376 kB Buffers: 89440 kB Cached: 676780 kB SwapCached: 0 kB Active: 517460 kB Inactive: 317268 kB HighTotal: 1178312 kB HighFree: 426304 kB LowTotal: 895312 kB LowFree: 748072 kB SwapTotal: 2008116 kB SwapFree: 2008116 kB Dirty: 192 kB Writeback: 0 kB Mapped: 135720 kB Slab: 47856 kB CommitLimit: 3044928 kB Committed_AS: 659484 kB PageTables: 2240 kB VmallocTotal: 106488 kB VmallocUsed: 4236 kB VmallocChunk: 101040 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB [root@SM155 proc]# [root@SM155 proc]#
[root@SM155 proc]# cat /proc/mounts rootfs / rootfs rw 0 0 /proc /proc proc rw,nodiratime 0 0 none /dev tmpfs rw 0 0 /dev/root / ext3 rw 0 0 none /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 0 none /dev/pts devpts rw 0 0 /dev/sda1 /boot ext3 rw 0 0 /dev/sda2 /share ext3 rw 0 0 none /dev/shm tmpfs rw 0 0 /dev/sdb1 /disk1 ext3 rw 0 0 none /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/zoneinfo Node 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