Monitoring And Maintaining Processes; Displaying And Maintaining Processes - HPE FlexNetwork 10500 series Configuration Manual

Monitoring and maintaining processes

The system software of the device is a full-featured, modular, and scalable network operating system
based on the Linux kernel. The system software features run the following types of independent
processes:
•
User process—Runs in user space. Most system software features run user processes. Each
process runs in an independent space so the failure of a process does not affect other
processes. The system automatically monitors user processes. The system supports
preemptive multithreading. A process can run multiple threads to support multiple activities.
Whether a process supports multithreading depends on the software implementation.
•
Kernel thread—Runs in kernel space. A kernel thread executes kernel code. It has a higher
security level than a user process. If a kernel thread fails, the system breaks down. You can
monitor the running status of kernel threads.

Displaying and maintaining processes

Commands described in this section apply to both user processes and kernel threads. You can
execute these commands in any view.
The system identifies a process that consumes excessive memory or CPU resources as an anomaly
source.
(In standalone mode.) To display and maintain processes:
Task
Display memory usage.
Display process state
information.
Display CPU usage for all
processes.
Monitor process running state.
Monitor thread running state.
For more information about the display memory [ slot slot-number ] command, see Fundamentals
Command Reference.
(In IRF mode.) To display and maintain processes:
Task
Display memory usage.
Display process state
information.
Display CPU usage for all
processes.
Monitor process running state.
Command
display memory [ slot slot-number [ cpu cpu-number ] ]
display process [ all | job job-id | name process-name ] [ slot
slot-number [ cpu cpu-number ] ]
display process cpu [ slot slot-number [ cpu cpu-number ] ]
monitor process [ dumbtty ] [ iteration number ] [ slot slot-number
[ cpu cpu-number ] ]
monitor thread [ dumbtty ] [ iteration number ] [ slot slot-number
[ cpu cpu-number ] ]
Command
display memory [ chassis chassis-number slot slot-number [ cpu
cpu-number ] ]
display process [ all | job job-id | name process-name ] [ chassis
chassis-number slot slot-number [ cpu cpu-number ] ]
display process cpu [ chassis chassis-number slot slot-number [ cpu
cpu-number ] ]
monitor process [ dumbtty ] [ iteration number ] [ chassis
chassis-number slot slot-number [ cpu cpu-number ] ]
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