hwi

• Command Function
• Syntax
• Parameter Description
• Usage
• Example
• Output

Command Function

This command is used to query information about the current interrupts.

Syntax

hwi

Parameter Description

None

Usage

• Enter hwi to display the current interrupt ID, count of interrupts, and registered interrupt name.
• If LOSCFG_CPUP_INCLUDE_IRQ is enabled, the processing time (cycles), CPU usage, and interrupt type of each interrupt are displayed.

Example

Enter hwi.

Output

1. Interrupt information (with LOSCFG_CPUP_INCLUDE_IRQ disabled)

   

2. Interrupt information (with LOSCFG_CPUP_INCLUDE_IRQ enabled)

   

   Table 1 Output description

   Parameter	Description
   InterruptNo	Indicates the interrupt ID.
   Count	Indicates the count of interrupts.
   Name	Indicates the registered interrupt name.
   CYCLECOST	Indicates the interrupt processing time (cycles).
   CPUUSE	Indicates the CPU usage.
   CPUUSE10s	Indicates CPU usage within the last 10 seconds.
   CPUUSE1s	Indicates CPU usage within the last 1 second.
   mode	Indicates the interrupt mode. normal: non-shared interrupt. shared: shared interrupt.