I am working on a program that fetches all irqs in /proc/irq and does some parsing. I've realized however that there are a bunch of irq numbers in /proc/irq that are not listed in /proc/interrupts. For example, on my system, /proc/irq includes directories for irqs 1, 2, 3, however these irqs do not show up in /proc/interrupts. What is the reason for this?
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