From b90d0db2ec64e063fb818faf2d64038be9470bfa Mon Sep 17 00:00:00 2001
From: Andrej Babic <andrej.babic@psi.ch>
Date: Thu, 14 May 2020 16:25:42 +0200
Subject: [PATCH] Add script to setup IRQ on sf-daq-3

---
 scripts/setup_irq.sh | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 scripts/setup_irq.sh

diff --git a/scripts/setup_irq.sh b/scripts/setup_irq.sh
new file mode 100644
index 0000000..6630eba
--- /dev/null
+++ b/scripts/setup_irq.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+cpu_low_irqs=2
+cpu_high_irqs=3
+
+low_irqs=`grep "ens3f0" /proc/interrupts | awk '{print substr($1, 1, length($1)-1)}' | head -n 20`
+high_irqs=`grep "ens3f0" /proc/interrupts | awk '{print substr($1, 1, length($1)-1)}' | tail -n 20`
+
+for irq in $low_irqs;
+do
+        echo $cpu_low_irqs > /proc/irq/$irq/smp_affinity_list
+done
+
+for irq in $high_irqs;
+do
+        echo $cpu_high_irqs > /proc/irq/$irq/smp_affinity_list
+done
\ No newline at end of file