harmony 鸿蒙hwi

2022-08-09
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hwi

Command Function

This command is used to query information about interrupts.

Syntax

hwi

Parameters

None.

Usage Guidelines

Run hwi to display the interrupt IDs, count of interrupts, and registered interrupt names of the system.
If LOSCFG_CPUP_INCLUDE_IRQ is enabled, the interrupt handling time (ATime), CPU usage, and type of each interrupt are also displayed.

Example

Run hwi.

Output

Interrupt information (LOSCFG_CPUP_INCLUDE_IRQ disabled):

  OHOS # hwi
   InterruptNo     Count     Name
          0:         0:
          1:   1025641:
          2:         0:
         29:    824049:
         37:         0:      rtc_alarm
         38:        24:      uart_pl011
         48:         3:      GPIO
         59:         0:
         62:       530:      MMC_IRQ
         63:        70:      MMC_IRQ
         64:       280:      ETH
         67:        58:      tde
         68:         0:      JPGE_0
         69:         0:      IVE
         70:         0:      VGS
         72:         0:      VEDU_0
         73:         0:      nnie0
         74:         0:      nnie_gdc0
         75:         0:      VPSS
         76:         0:      VI_PROC0
         77:         0:      JPEGD_0
         83:     49455:      HIFB_SOFT_INT
         87:         0:      AIO interrupt
         88:         0:      VI_CAP0
         89:         0:      MIPI_RX
         90:     49455:      VO int
         91:     49456:      HIFB Int
         96:     17601:      MMC_IRQ
        100:         0:      SPI_HI35XX
        101:         0:      SPI_HI35XX
        102:         0:      SPI_HI35XX

Interrupt information (LOSCFG_CPUP_INCLUDE_IRQ enabled):

  OHOS # hwi
   InterruptNo      Count  ATime(us)   CPUUSE  CPUUSE10s  CPUUSE1s   Mode Name
            0:          0          0     0.0        0.0       0.0  normal
            1:     937031          0     0.1        0.1       0.1  normal
            2:          0          0     0.0        0.0       0.0  normal
           29:     726166          5     0.54       0.57      0.59 normal
           37:          0          0     0.0        0.0       0.0  normal rtc_alarm
           38:         17          5     0.0        0.0       0.0  normal uart_pl011
           48:          3          4     0.0        0.0       0.0  normal GPIO
           59:          0          0     0.0        0.0       0.0  normal
           62:        531          1     0.0        0.0       0.0  normal MMC_IRQ
           63:         69          1     0.0        0.0       0.0  normal MMC_IRQ
           64:        292          2     0.0        0.0       0.0  normal ETH
           67:         54         76     0.0        0.0       0.0  shared tde
           68:          0          0     0.0        0.0       0.0  shared JPGE_0
           69:          0          0     0.0        0.0       0.0  shared IVE
           70:          0          0     0.0        0.0       0.0  shared VGS
           72:          0          0     0.0        0.0       0.0  shared VEDU_0
           73:          0          0     0.0        0.0       0.0  shared nnie0
           74:          0          0     0.0        0.0       0.0  shared nnie_gdc0
           75:          0          0     0.0        0.0       0.0  shared VPSS
           76:          0          0     0.0        0.0       0.0  shared VI_PROC0
           77:          0          0     0.0        0.0       0.0  shared JPEGD_0
           83:      45529          8     0.5        0.5       0.5  shared HIFB_SOFT_INT
           87:          0          0     0.0        0.0       0.0  shared AIO interrupt
           88:          0          0     0.0        0.0       0.0  shared VI_CAP0
           89:          0          0     0.0        0.0       0.0  shared MIPI_RX
           90:      45534         11     0.6        0.7       0.7  shared VO int
           91:      45533          2     0.1        0.1       0.1  shared HIFB Int
           96:      17383          2     0.0        0.0       0.0  normal MMC_IRQ
          100:          0          0     0.0        0.0       0.0  normal SPI_HI35XX
          101:          0          0     0.0        0.0       0.0  normal SPI_HI35XX
          102:          0          0     0.0        0.0       0.0  normal SPI_HI35XX

Table 1 Output description

Parameter	Description
InterruptNo	Interrupt number.
Count	Number of interrupts.
Name	Registered interrupt name.
ATime	Interrupt handling time.
CPUUSE	CPU usage.
CPUUSE10s	CPU usage in the last 10s.
CPUUSE1s	CPU usage in the last 1s.
mode	Interrupt type, which can be any of the following: - normal: non-shared interrupt. - shared: shared interrupt.