Add script to pinc process's priority.

tsn/a20-prod/pin-processes.sh

+#!/bin/sh
+
+# Pin ethernet IRQ bottom half to CPU1
+echo 2 > /proc/irq/56/smp_affinity
+
+# Get PID for ethernet IRQ
+irq56_pid=$(pgrep "irq/56-eth0")
+
+# Pin ethernet IRQ upper half to CPU1
+taskset -p 2 $irq56_pid
+
+# Get PID for ksoftirqd1
+ksoftirq1_pid=$(pgrep "ksoftirqd/1")
+
+# Set high priority for ksoftirqd/1
+chrt -f -p 97 $ksoftirq1_pid