系统基本信息搜集

1 System base

root@XiaoQiang:~# uname -a
Linux XiaoQiang 2.6.36.4brcmarm #3 SMP PREEMPT Thu May 22 23:03:23 CST 2014 armv7l GNU/Linux

root@XiaoQiang:~# cat /etc/linux_version 
2.6.36.4brcmarm-0.1

root@XiaoQiang:~# cat /proc/version 
Linux version 2.6.36.4brcmarm (szy@shenzhiyong-ct) (gcc version 4.8.2 20130603 (prerelease) (crosstool-NG 1.19.0) ) #3 SMP PREEMPT Thu May 22 23:03:23 CST 2014

2 Kernel cmdline

root@XiaoQiang:~# cat /proc/cmdline 
root=/dev/ram rw console=ttyS0,115200 init=/init libata.force=3.0Gbps earlyprintk debug

3 FS structure

root@XiaoQiang:~# mount
rootfs on / type rootfs (rw)
none on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
none on /proc type proc (rw,nosuid,nodev,noexec,relatime)
none on /dev type devtmpfs (rw,relatime,size=127144k,nr_inodes=31786,mode=755)
tmpfs on /tmp type tmpfs (rw,nosuid,relatime,size=51096k,mode=755)
/dev/sda1 on / type ext4 (ro,relatime,barrier=1,data=ordered)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime,size=127736k)
devpts on /dev/pts type devpts (rw,noatime,mode=600)
/dev/sda3 on /data type ext4 (rw,noatime,barrier=1,data=ordered)
/dev/sda4 on /userdisk type ext4 (rw,noatime,barrier=1,data=ordered)
/dev/sda3 on /etc type ext4 (rw,noatime,barrier=1,data=ordered)
/dev/sda1 on /rom type ext4 (ro,relatime,barrier=1,data=ordered)

4 CPU info

root@XiaoQiang:~# cat /proc/cpuinfo 
Processor	: ARMv7 Processor rev 0 (v7l)
processor	: 0
BogoMIPS	: 1998.84

processor	: 1
BogoMIPS	: 1998.84

Features	: swp half thumb fastmult edsp 
CPU implementer	: 0x41
CPU architecture: 7
CPU variant	: 0x3
CPU part	: 0xc09
CPU revision	: 0

Hardware	: Northstar Prototype
Revision	: 0000
Serial		: 0000000000000000

b_chip	: 53010
b_chiprev	: 0
b_chippkg	: 0

5 Memory

root@XiaoQiang:~# free -m
             total       used       free     shared    buffers     cached
Mem:           249         96        152          0          1         44
-/+ buffers/cache:         50        199
Swap:          255          0        255

root@XiaoQiang:~# cat /proc/meminfo 
MemTotal:         255468 kB
MemFree:          155960 kB
Buffers:            1832 kB
Cached:            46036 kB
SwapCached:            0 kB
Active:            34992 kB
Inactive:          37468 kB
Active(anon):      25744 kB
Inactive(anon):     1708 kB
Active(file):       9248 kB
Inactive(file):    35760 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:        262140 kB
SwapFree:         262140 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:         24572 kB
Mapped:            14520 kB
Shmem:              2868 kB
Slab:              10260 kB
SReclaimable:       2628 kB
SUnreclaim:         7632 kB
KernelStack:        1760 kB
PageTables:         2088 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:      389872 kB
Committed_AS:     440896 kB
VmallocTotal:     385024 kB
VmallocUsed:       18224 kB
VmallocChunk:     316116 kB

6 Interrupts

root@XiaoQiang:~# cat /proc/interrupts 
           CPU0       CPU1
 27:         36          0         GIC  mpcore_gtimer
 32:          0          0         GIC  L2C
111:          1          0         GIC  ehci_hcd:usb1, ohci_hcd:usb2
117:       3296          0         GIC  gpioint, serial
163:          0      23208         GIC  wl0
169:          0      46465         GIC  wl1
175:       2807          0         GIC  ahci
179:      10147          0         GIC  eth0
IPI:      26312      26691
LOC:     118570     118632 
Err:          0