To list the Interrupts/IRQ:
# dmesg | grep ‘[iI][rR][qQ]‘
$ dmesg | grep ‘[Ii][Rr][Qq]‘
ACPI: IRQ9 SCI: Edge set to Level Trigger.
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 *10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 10 11 *12 14 15)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 *5 6 7 9 10 11 12 14 15)
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 5
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 12
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11