Linux 系统硬件与资源查看

top

[root@riyimei ~]# top
top - 21:41:14 up 11:17,  1 user,  load average: 0.00, 0.01, 0.05
Tasks: 152 total,   1 running, 151 sleeping,   0 stopped,   0 zombie
%Cpu(s):  0.1 us,  0.0 sy,  0.0 ni, 99.9 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem :  4026228 total,  3166264 free,   605144 used,   254820 buff/cache
KiB Swap:  8388604 total,  8388604 free,        0 used.  3192232 avail Mem 
   PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                                          
  1091 mysql     20   0 2881024 475432  18144 S   1.0 11.8   5:55.10 mysqld                                                           
  1668 root      20   0  157320   5916   4564 S   0.3  0.1   0:00.04 sshd                                                             
     1 root      20   0   43552   3864   2584 S   0.0  0.1   0:01.40 systemd                                                          
     2 root      20   0       0      0      0 S   0.0  0.0   0:00.02 kthreadd                                                         
     4 root       0 -20       0      0      0 S   0.0  0.0   0:00.00 kworker/0:0H                                                     
     6 root      20   0       0      0      0 S   0.0  0.0   0:00.01 ksoftirqd/0

topas
vmstat

[root@riyimei ~]# vmstat -a 2 10
procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
 r  b   swpd   free  inact active   si   so    bi    bo   in   cs us sy id wa st
 1  0      0 3166996 184748 539336    0    0     1     1   47   90  0  0 100  0  0
 0  0      0 3166872 184760 539388    0    0     0     0  193  367  0  0 100  0  0
 0  0      0 3166872 184760 539388    0    0     0     1  195  368  0  0 100  0  0
 0  0      0 3166872 184760 539388    0    0     0     0  183  355  0  0 100  0  0
 0  0      0 3166872 184760 539388    0    0     0     1  185  359  0  0 100  0  0
 0  0      0 3166872 184776 539388    0    0     0     0  182  347  0  0 100  0  0
 0  0      0 3166872 184776 539392    0    0     0     0  188  359  0  0 100  0  0
 0  0      0 3166872 184776 539392    0    0     0     0  183  354  0  0 100  0  0
 0  0      0 3166872 184776 539392    0    0     0     0  186  360  0  0 100  0  0
 0  0      0 3166872 184776 539392    0    0     0     0  191  362  0  0 100  0  0
[root@riyimei ~]#

iostat
free
lsps
swapinfo
mpstat
sar
nmon