top命令的Load average定义与性能基准

系统运行时长查询指令

 [root@node-3 smgr]# uptime

    
  14:34:18 up  5:33,  8 users,  load average: 0.55, 0.53, 0.52
    
    
    
    

与top命令

[root@node-3 smgr]# top
top - 14:35:45 up 5:34, 8 users, load average: 0.19, 0.41, 0.48
Tasks: 502 total, 1 running, 501 sleeping, 0 stopped, 0 zombie
%Cpu(s): 3.7 us, 1.7 sy, 0.0 ni, 94.5 id, 0.1 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 65861020 total, 52493336 free, 9414756 used, 3952928 buff/cache
KiB Swap: 33554428 total, 33554428 free, 0 used. 55765136 avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
17021 root 　　2