#!/bin/sh

get_disk_from_pcid()
{
	PCID=$1

	DISKS=`find /sys/block -name "*"`
	for DISK in $DISKS; do
		DISKP=`realpath $DISK/device`
		echo $DISKP | grep $PCID > /dev/null
		[ $? -eq 0 ] && echo `basename $DISK` && break
	done
}

dump_irq_affinity()
{
	PCID=$1
	PCIP=`find /sys/devices -name *$PCID | grep pci`

	[[ ! -d $PCIP/msi_irqs ]] && return

	IRQS=`ls $PCIP/msi_irqs`

	[ $? -ne 0 ] && return

	DISK=`get_disk_from_pcid $PCID`
	echo "PCI name is $PCID: $DISK"

	for IRQ in $IRQS; do
	    [ -f /proc/irq/$IRQ/smp_affinity_list ] && CPUS=`cat /proc/irq/$IRQ/smp_affinity_list`
	    [ -f /proc/irq/$IRQ/effective_affinity_list ] && ECPUS=`cat /proc/irq/$IRQ/effective_affinity_list`
	    echo -e "\tirq $IRQ, cpu list $CPUS, effective list $ECPUS"
	done
}


if [ $# -ge 1 ]; then
	PCIDS=$1
else
#	PCID=`lspci | grep "Non-Volatile memory" | cut -c1-7`
	PCIDS=`lspci | grep "Non-Volatile memory controller" | awk '{print $1}'`
fi

echo "kernel version: "
uname -a

for PCID in $PCIDS; do
	dump_irq_affinity $PCID
done