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monitor kernel deadloop enable
monitor kernel starvation enable
Use monitor kernel starvation enable to enable kernel thread starvation detection.
Use undo monitor kernel starvation enable to disable kernel thread starvation detection.
Syntax
monitor kernel starvation enable [ slot slot-number [ cpu cpu-number ] ]
undo monitor kernel starvation enable [ slot slot-number [ cpu cpu-number ] ]
Default
Kernel thread starvation detection is disabled.
Views
System view
Predefined user roles
network-admin
Parameters
slot slot-number: Specifies an IRF member device by its ID. If you do not specify this option, the
master device is specified.
cpu cpu-number: Specifies a CPU by its number.
Usage guidelines
Inappropriate use of the command can cause service problems or system breakdown. Make sure
you understand the impact of the command on your network before you use it.
Starvation occurs when a thread is unable to access shared resources.
The command enables the system to detect and report thread starvation. If a thread is not executed
within an interval, the system considers that a starvation has occurred, and outputs a starvation
message.
Thread starvation does not impact system operation. A starved thread can automatically run when
certain conditions are met.
Examples
# Enable kernel thread starvation detection.
<Sysname> system-view
[Sysname] monitor kernel starvation enable
Related commands
display kernel starvation configuration
display kernel starvation
monitor kernel starvation time
monitor kernel starvation exclude-thread
monitor kernel starvation exclude-thread
Use monitor kernel starvation exclude-thread to disable kernel thread starvation detection for a
kernel thread.
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