AI CPU Stress Test

Function

Perform the AI CPU stress test and output the test result.

**Table 1** Diagnostic items
Item	Time Required	Whether NPU Training or Inference Is Affected	Application Scenario
AI CPU stress test	About 5 minutes by default	Yes	The AI CPU failure causes system breakdown and suspension.

Parameters

Table 2 lists only test-specific parameters. For details about other common parameters, see Common Parameters.

**Table 2** Parameter description
Parameter	Description	Mandatory
[-i, --items]	Specifies the diagnosis check item. aicpu: AI CPU error stress test	Yes
[-st, --st, --stress-time]	Specifies the time required by the AI CPU stress test. The value ranges from 60 to 604800, in seconds.	No

Example

Example of setting the AI CPU stress test duration to 60s:

[***@***]# ascend-dmi -dg -i aicpu -s -st 60 -q
Summary:
    Arch: aarch64
    Mode: ******
    Time: 20250529-19:56:52
 
Hardware:
    aicpu:
        PASS

Fault Check Items

**Table 3** Fault check items
Command Output	Description
PASS	The stress test result is normal.
SKIP	The product or scenario does not support the AI CPU stress test.
EMERGENCY_WARN	Emergency warning. Replace the hardware.
FAIL	The AI CPU stress test fails. Contact Huawei technical support.

Parent topic: Stress Test