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drp-srcf-cmp005:~$ cat /lib/systemd/system/kcu.service
[Unit]
Description=KCU1500 Device Manager
Requires=multi-user.target
After=multi-user.target

[Service]
Type=forking
ExecStartPre=-/sbin/rmmod datadev.ko
ExecStart=/sbin/insmod /usr/local/sbin/datadev.ko cfgTxCount=4 cfgRxCount=1048572 cfgSize=8192 cfgMode=0x2
ExecStartPost=/usr/local/sbin/kcuStatus -I
#ExecStartPost= -d /dev/datadev_1
# To do: The irqbalance service will defeat the following unless it is disabled or the IRQs are banned in /etc/sysconfig/irqbalance
ExecStartPost=-/usr/bin/sh -c "/usr/bin/echo 4 > /proc/irq/368/smp_affinity_list"
ExecStartPost=`grep datadev_0 /proc/interrupts | /usr/bin/shcut -d : -cf 1 | "/usr/bin/echotr 4 > /proc/irq/369/-cd [:digit:]`/smp_affinity_list"
ExecStartPost=-/usr/bin/sh -c "/usr/bin/echo 5 > /proc/irq/370/`grep datadev_1 /proc/interrupts | /usr/bin/cut -d : -f 1 | /usr/bin/tr -cd [:digit:]`/smp_affinity_list"
KillMode=none
IgnoreSIGPIPE=no
StandardOutput=syslog
StandardError=inherit

[Install]
WantedBy=multi-user.target