aimrt.guard_thread

Configuration Overview

The guard thread is an additional thread that AimRT starts during initialization. For details, please refer to AimRT Core Design Concepts.

The aimrt.guard_thread configuration item is used to configure the guard thread. The detailed configuration items are described below:

Node	Type	Optional	Default Value	Description
name	string	Yes	“aimrt_guard”	Guard thread name
thread_sched_policy	string	Yes	“”	Thread scheduling policy
thread_bind_cpu	unsigned int array	Yes	[]	CPU binding configuration
queue_threshold	unsigned int	Yes	10000	Queue task threshold

Notes for using aimrt.guard_thread:

• The name configures the guard thread name, which calls some operating system APIs during implementation. If the operating system doesn’t support this, the configuration will be invalid.

• For thread_sched_policy and thread_bind_cpu, please refer to the thread binding configuration instructions in Common Information.

• The queue_threshold configures the maximum number of tasks in the queue. When the number of tasks in the queue exceeds this threshold, new task submissions will fail.

Usage Example

Here is a simple example:

aimrt:
  guard_thread:
    name: guard_thread
    thread_sched_policy: SCHED_FIFO:80
    thread_bind_cpu: [0, 1]
    queue_threshold: 10000