1# hwi 2 3 4## Command Function 5 6This command is used to query information about interrupts. 7 8 9## Syntax 10 11hwi 12 13 14## Parameters 15 16None. 17 18 19## Usage Guidelines 20 21- Run **hwi** to display the interrupt IDs, count of interrupts, and registered interrupt names of the system. 22 23- If **LOSCFG_CPUP_INCLUDE_IRQ** is enabled, the interrupt handling time (ATime), CPU usage, and type of each interrupt are also displayed. 24 25 26## Example 27 28Run **hwi**. 29 30 31## Output 32 33- Interrupt information (**LOSCFG_CPUP_INCLUDE_IRQ** disabled): 34 35 ``` 36 OHOS # hwi 37 InterruptNo Count Name 38 0: 0: 39 1: 1025641: 40 2: 0: 41 29: 824049: 42 37: 0: rtc_alarm 43 38: 24: uart_pl011 44 48: 3: GPIO 45 59: 0: 46 62: 530: MMC_IRQ 47 63: 70: MMC_IRQ 48 64: 280: ETH 49 67: 58: tde 50 68: 0: JPGE_0 51 69: 0: IVE 52 70: 0: VGS 53 72: 0: VEDU_0 54 73: 0: nnie0 55 74: 0: nnie_gdc0 56 75: 0: VPSS 57 76: 0: VI_PROC0 58 77: 0: JPEGD_0 59 83: 49455: HIFB_SOFT_INT 60 87: 0: AIO interrupt 61 88: 0: VI_CAP0 62 89: 0: MIPI_RX 63 90: 49455: VO int 64 91: 49456: HIFB Int 65 96: 17601: MMC_IRQ 66 100: 0: SPI_HI35XX 67 101: 0: SPI_HI35XX 68 102: 0: SPI_HI35XX 69 ``` 70 71- Interrupt information (**LOSCFG_CPUP_INCLUDE_IRQ** enabled): 72 73 ``` 74 OHOS # hwi 75 InterruptNo Count ATime(us) CPUUSE CPUUSE10s CPUUSE1s Mode Name 76 0: 0 0 0.0 0.0 0.0 normal 77 1: 937031 0 0.1 0.1 0.1 normal 78 2: 0 0 0.0 0.0 0.0 normal 79 29: 726166 5 0.54 0.57 0.59 normal 80 37: 0 0 0.0 0.0 0.0 normal rtc_alarm 81 38: 17 5 0.0 0.0 0.0 normal uart_pl011 82 48: 3 4 0.0 0.0 0.0 normal GPIO 83 59: 0 0 0.0 0.0 0.0 normal 84 62: 531 1 0.0 0.0 0.0 normal MMC_IRQ 85 63: 69 1 0.0 0.0 0.0 normal MMC_IRQ 86 64: 292 2 0.0 0.0 0.0 normal ETH 87 67: 54 76 0.0 0.0 0.0 shared tde 88 68: 0 0 0.0 0.0 0.0 shared JPGE_0 89 69: 0 0 0.0 0.0 0.0 shared IVE 90 70: 0 0 0.0 0.0 0.0 shared VGS 91 72: 0 0 0.0 0.0 0.0 shared VEDU_0 92 73: 0 0 0.0 0.0 0.0 shared nnie0 93 74: 0 0 0.0 0.0 0.0 shared nnie_gdc0 94 75: 0 0 0.0 0.0 0.0 shared VPSS 95 76: 0 0 0.0 0.0 0.0 shared VI_PROC0 96 77: 0 0 0.0 0.0 0.0 shared JPEGD_0 97 83: 45529 8 0.5 0.5 0.5 shared HIFB_SOFT_INT 98 87: 0 0 0.0 0.0 0.0 shared AIO interrupt 99 88: 0 0 0.0 0.0 0.0 shared VI_CAP0 100 89: 0 0 0.0 0.0 0.0 shared MIPI_RX 101 90: 45534 11 0.6 0.7 0.7 shared VO int 102 91: 45533 2 0.1 0.1 0.1 shared HIFB Int 103 96: 17383 2 0.0 0.0 0.0 normal MMC_IRQ 104 100: 0 0 0.0 0.0 0.0 normal SPI_HI35XX 105 101: 0 0 0.0 0.0 0.0 normal SPI_HI35XX 106 102: 0 0 0.0 0.0 0.0 normal SPI_HI35XX 107 ``` 108 109**Table 1** Output description 110 111| Parameter| Description| 112| -------- | -------- | 113| InterruptNo | Interrupt number.| 114| Count | Number of interrupts.| 115| Name | Registered interrupt name.| 116| ATime | Interrupt handling time.| 117| CPUUSE | CPU usage.| 118| CPUUSE10s | CPU usage in the last 10s.| 119| CPUUSE1s | CPU usage in the last 1s.| 120| mode | Interrupt type, which can be any of the following:<br>- **normal**: non-shared interrupt.<br>- **shared**: shared interrupt.| 121