Line 1 - General server information - Current time, uptime (since last restart of server), number of users logged on (other than yourself), and the load average for the last 1, 5, and 15 minutes
Line 2 - Tasks - Number of processes, number of actively running processes, sleeping process, stopped process, and zombie processes
Line 3 - CPU usage info (User, System, Nice, Idle, Waiting, Hardware Interrupts, Software Interrupts). Just worry about Idle, user, system, and waiting.
Line 4 - Memory usage
Line 5 - Swap usage (used should be almost 0 if not 0)
Table header for process list (Process ID, User, Priority, Nice, Virtual Memory, Resident Size, Shared Size, , State, CPU, Memory, CPU Time used, Command)
The processes themselves
login as: root
Access denied
root@192.168.200.102's password:
Last login: Tue Jul 3 02:47:21 2012 from 192.168.200.1
[root@openstack ~]# top -b -i -n 20 >> ./server-load
[root@openstack ~]# cat server-load
top - 00:55:00 up 4 min, 3 users, load average: 1.84, 1.09, 0.49
Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie
Cpu(s): 7.5%us, 20.0%sy, 0.0%ni, 58.7%id, 7.0%wa, 6.1%hi, 0.7%si, 0.0%st
Mem: 1027968k total, 488776k used, 539192k free, 23112k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203320k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2908 1020 796 R 3.7 0.1 0:00.06 top
top - 00:55:03 up 4 min, 3 users, load average: 1.84, 1.09, 0.49
Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.0%us, 8.9%sy, 0.0%ni, 86.8%id, 0.0%wa, 3.0%hi, 0.3%si, 0.0%st
Mem: 1027968k total, 488776k used, 539192k free, 23112k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203336k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 0.7 0.1 0:00.08 top
top - 00:55:06 up 4 min, 3 users, load average: 1.85, 1.10, 0.50
Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.7%us, 8.7%sy, 0.0%ni, 84.7%id, 3.3%wa, 2.7%hi, 0.0%si, 0.0%st
Mem: 1027968k total, 488776k used, 539192k free, 23120k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203328k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 0.7 0.1 0:00.10 top
top - 00:55:09 up 4 min, 3 users, load average: 1.85, 1.10, 0.50
Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.7%us, 9.6%sy, 0.0%ni, 86.0%id, 0.0%wa, 3.3%hi, 0.3%si, 0.0%st
Mem: 1027968k total, 488776k used, 539192k free, 23120k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203336k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 0.7 0.1 0:00.12 top
top - 00:55:12 up 4 min, 3 users, load average: 1.79, 1.10, 0.50
Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie
Cpu(s): 2.3%us, 9.9%sy, 0.0%ni, 80.9%id, 3.3%wa, 3.3%hi, 0.3%si, 0.0%st
Mem: 1027968k total, 488776k used, 539192k free, 23128k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203328k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 1.0 0.1 0:00.15 top
top - 00:55:15 up 4 min, 3 users, load average: 1.72, 1.10, 0.50
Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.7%us, 9.3%sy, 0.0%ni, 86.0%id, 0.0%wa, 3.7%hi, 0.3%si, 0.0%st
Mem: 1027968k total, 488776k used, 539192k free, 23128k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203336k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 0.7 0.1 0:00.17 top
top - 00:55:18 up 4 min, 3 users, load average: 1.72, 1.10, 0.50
Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.7%us, 9.0%sy, 0.0%ni, 86.0%id, 1.0%wa, 3.0%hi, 0.3%si, 0.0%st
Mem: 1027968k total, 488776k used, 539192k free, 23136k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203336k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 0.7 0.1 0:00.19 top
top - 00:55:21 up 4 min, 3 users, load average: 1.66, 1.10, 0.50
Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.0%us, 8.6%sy, 0.0%ni, 87.1%id, 0.0%wa, 3.0%hi, 0.3%si, 0.0%st
Mem: 1027968k total, 488776k used, 539192k free, 23136k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203344k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 1.0 0.1 0:00.22 top
top - 00:55:24 up 4 min, 3 users, load average: 1.66, 1.10, 0.50
Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.7%us, 9.3%sy, 0.0%ni, 85.7%id, 1.0%wa, 3.0%hi, 0.3%si, 0.0%st
Mem: 1027968k total, 488776k used, 539192k free, 23144k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203348k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 0.7 0.1 0:00.24 top
top - 00:55:27 up 4 min, 3 users, load average: 1.61, 1.10, 0.51
Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.7%us, 8.6%sy, 0.0%ni, 87.5%id, 0.0%wa, 3.0%hi, 0.3%si, 0.0%st
Mem: 1027968k total, 488776k used, 539192k free, 23144k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203348k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 0.7 0.1 0:00.26 top
top - 00:55:30 up 5 min, 3 users, load average: 1.48, 1.08, 0.50
Tasks: 124 total, 1 running, 123 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.0%us, 8.9%sy, 0.0%ni, 85.5%id, 1.7%wa, 2.6%hi, 0.3%si, 0.0%st
Mem: 1027968k total, 488776k used, 539192k free, 23152k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203348k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 1.0 0.1 0:00.29 top
top - 00:55:33 up 5 min, 3 users, load average: 1.48, 1.08, 0.50
Tasks: 119 total, 1 running, 118 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.3%us, 9.6%sy, 0.0%ni, 86.8%id, 0.0%wa, 3.0%hi, 0.3%si, 0.0%st
Mem: 1027968k total, 488744k used, 539224k free, 23152k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203348k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 0.7 0.1 0:00.31 top
top - 00:55:36 up 5 min, 3 users, load average: 1.44, 1.08, 0.51
Tasks: 120 total, 1 running, 119 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.7%us, 8.7%sy, 0.0%ni, 86.0%id, 1.7%wa, 3.0%hi, 0.0%si, 0.0%st
Mem: 1027968k total, 488744k used, 539224k free, 23160k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203340k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 0.7 0.1 0:00.33 top
top - 00:55:40 up 5 min, 3 users, load average: 1.44, 1.08, 0.51
Tasks: 120 total, 1 running, 119 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.7%us, 9.6%sy, 0.0%ni, 86.5%id, 0.0%wa, 3.0%hi, 0.3%si, 0.0%st
Mem: 1027968k total, 488744k used, 539224k free, 23160k buffers
Swap: 2064380k total, 0k used, 2064380k free, 203348k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1337 root 20 0 2884 1040 812 R 1.0 0.1 0:00.36 top
[root@openstack ~]#