pub fn read_irq_affinity(irq: u32) -> Result<Vec<u32>>Expand description
Read the CPU affinity mask for a specific IRQ number.
Reads /proc/irq/<irq>/smp_affinity to determine which cores
handle a given interrupt. Useful for co-locating scan threads
with NVMe IRQ handlers on the same NUMA socket.
ยงErrors
Returns an error if the sysfs file cannot be read or parsed.