performance

Linux系统性能监控和管理

Linux系统性能监控和管理

Linux system performance monitor and management

suo.li
1.top监控系统进程 top 命令查看进程时可自定义刷新频率,比较直观 用法 SYNOPSIS top -hv|-bcHiOSs -d secs -n max -u|U user -p pid -o fld -w [cols] [root@centos7 ~]#top top - 17:39:10 up 23:05, 4 users, load average: 0.00, 0.01, 0.05 Tasks: 290 total, 1 running, 289 sleeping, 0 stopped, 0 zombie %Cpu(s): 0.2 us, 0.1 sy, 0.0 ni, 99.8 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem : 71.5/1526208 [||||||||||||||||||||||||||||||||||||||||| ] KiB Swap: 0.9/3145724 [ ] PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2152 root 20 0 3605496 183924