linux top命令详解

top - 13:32:13 up 128 days, 22:10, 1 user, load average: 0.20, 0.26, 0.30
Tasks: 154 total, 1 running, 153 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.3%us, 0.3%sy, 0.0%ni, 99.4%id, 0.0%wa, 0.0%hi, 0.1%si, 0.0%st
Mem: 16317992k total, 2912100k used, 13405892k free, 179912k buffers
Swap: 4194300k total, 0k used, 4194300k free, 1477668k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1944 root 20 0 672m 135m 8156 S 15.6 0.9 4271:51 filebeat
1 root 20 0 19360 1552 1240 S 0.0 0.0 0:02.69 init
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
3 root RT 0 0 0 0 S 0.0 0.0 0:03.26 migration/0
4 root 20 0 0 0 0 S 0.0 0.0 0:35.44 ksoftirqd/0
5 root RT 0 0 0 0 S 0.0 0.0 0:00.00 stopper/0
。。。。。。。。。。。。。。

第一行：

top - 13:32:13 up 128 days, 22:10, 1 user, load average: 0.20, 0.26, 0.30

13:32:13 当前时间  up 128 days 系统运行总时间   1user:当前登录用户数   load average：1 5 15  系统负载，即任务队列的平均长度，分别代表  1 5 15分钟前到现在的平均值