Difference between revisions of "/proc/interrupts"

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Line 23: Line 23:
 
IPI6:        0      CPU wake-up interrupts
 
IPI6:        0      CPU wake-up interrupts
 
Err:          0
 
Err:          0
 +
</pre>
 +
 +
 +
== Examples ==
 +
<pre>
 +
cat /proc/interrupts
 +
          CPU0
 +
  0:        10  IO-APIC  2-edge      timer
 +
  1:        13  IO-APIC  1-edge      i8042
 +
  4:      3646  IO-APIC  4-edge      ttyS0
 +
  8:          1  IO-APIC  8-edge      rtc0
 +
  9:          0  IO-APIC  9-fasteoi  acpi
 +
10:          0  IO-APIC  10-fasteoi  virtio4
 +
11:          0  IO-APIC  11-fasteoi  uhci_hcd:usb1
 +
12:        15  IO-APIC  12-edge      i8042
 +
14:          0  IO-APIC  14-edge      ata_piix
 +
15:          0  IO-APIC  15-edge      ata_piix
 +
24:          0  PCI-MSI 49152-edge      virtio1-config
 +
25:  24358169  PCI-MSI 49153-edge      virtio1-input.0
 +
26:        421  PCI-MSI 49154-edge      virtio1-output.0
 +
27:          0  PCI-MSI 81920-edge      virtio3-config
 +
28:  23490853  PCI-MSI 81921-edge      virtio3-req.0
 +
29:          0  PCI-MSI 65536-edge      virtio2-config
 +
30:          0  PCI-MSI 65537-edge      virtio2-control
 +
31:          0  PCI-MSI 65538-edge      virtio2-event
 +
32:        256  PCI-MSI 65539-edge      virtio2-request
 +
NMI:          0  Non-maskable interrupts
 +
LOC:  194277906  Local timer interrupts
 +
SPU:          0  Spurious interrupts
 +
PMI:          0  Performance monitoring interrupts
 +
IWI:          2  IRQ work interrupts
 +
RTR:          0  APIC ICR read retries
 +
RES:          0  Rescheduling interrupts
 +
CAL:          0  Function call interrupts
 +
TLB:          0  TLB shootdowns
 +
TRM:          0  Thermal event interrupts
 +
THR:          0  Threshold APIC interrupts
 +
DFR:          0  Deferred Error APIC interrupts
 +
MCE:          0  Machine check exceptions
 +
MCP:      5500  Machine check polls
 +
ERR:          0
 +
MIS:          0
 +
PIN:          0  Posted-interrupt notification event
 +
NPI:          0  Nested posted-interrupt event
 +
PIW:          0  Posted-interrupt wakeup event
 
</pre>
 
</pre>
  

Latest revision as of 06:53, 3 January 2025


cat /proc/interrupts
           CPU0
  2:     163626     GIC-0  27 Level     arch_timer
  4:          0     GIC-0  33 Level     uart-pl011
 38:      66364     GIC-0  36 Level     virtio0
 41:          0     GIC-0  41 Edge      ACPI:Ged
 42:          0     GIC-0  23 Level     arm-pmu
 43:          0       MSI 49152 Edge      virtio2-config
 44:         72       MSI 49153 Edge      virtio2-req.0
 45:          0       MSI 32768 Edge      virtio1-config
 46:          0       MSI 32769 Edge      virtio1-control
 47:          0       MSI 32770 Edge      virtio1-event
 48:      66219       MSI 32771 Edge      virtio1-request
IPI0:         0       Rescheduling interrupts
IPI1:         0       Function call interrupts
IPI2:         0       CPU stop interrupts
IPI3:         0       CPU stop (for crash dump) interrupts
IPI4:         0       Timer broadcast interrupts
IPI5:         0       IRQ work interrupts
IPI6:         0       CPU wake-up interrupts
Err:          0


Examples[edit]

cat /proc/interrupts
           CPU0
  0:         10   IO-APIC   2-edge      timer
  1:         13   IO-APIC   1-edge      i8042
  4:       3646   IO-APIC   4-edge      ttyS0
  8:          1   IO-APIC   8-edge      rtc0
  9:          0   IO-APIC   9-fasteoi   acpi
 10:          0   IO-APIC  10-fasteoi   virtio4
 11:          0   IO-APIC  11-fasteoi   uhci_hcd:usb1
 12:         15   IO-APIC  12-edge      i8042
 14:          0   IO-APIC  14-edge      ata_piix
 15:          0   IO-APIC  15-edge      ata_piix
 24:          0   PCI-MSI 49152-edge      virtio1-config
 25:   24358169   PCI-MSI 49153-edge      virtio1-input.0
 26:        421   PCI-MSI 49154-edge      virtio1-output.0
 27:          0   PCI-MSI 81920-edge      virtio3-config
 28:   23490853   PCI-MSI 81921-edge      virtio3-req.0
 29:          0   PCI-MSI 65536-edge      virtio2-config
 30:          0   PCI-MSI 65537-edge      virtio2-control
 31:          0   PCI-MSI 65538-edge      virtio2-event
 32:        256   PCI-MSI 65539-edge      virtio2-request
NMI:          0   Non-maskable interrupts
LOC:  194277906   Local timer interrupts
SPU:          0   Spurious interrupts
PMI:          0   Performance monitoring interrupts
IWI:          2   IRQ work interrupts
RTR:          0   APIC ICR read retries
RES:          0   Rescheduling interrupts
CAL:          0   Function call interrupts
TLB:          0   TLB shootdowns
TRM:          0   Thermal event interrupts
THR:          0   Threshold APIC interrupts
DFR:          0   Deferred Error APIC interrupts
MCE:          0   Machine check exceptions
MCP:       5500   Machine check polls
ERR:          0
MIS:          0
PIN:          0   Posted-interrupt notification event
NPI:          0   Nested posted-interrupt event
PIW:          0   Posted-interrupt wakeup event


See also[edit]

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