]> rtime.felk.cvut.cz Git - can-benchmark.git/commitdiff
Increase eth IRQ priority to avoid crash in highprio test
authorMichal Sojka <sojkam1@fel.cvut.cz>
Sat, 11 Dec 2010 08:19:46 +0000 (09:19 +0100)
committerMichal Sojka <sojkam1@fel.cvut.cz>
Sat, 11 Dec 2010 08:19:46 +0000 (09:19 +0100)
It seems that IRQ prioeity must be higher than softirq priority

gw-tests/nop-highprio.sh

index 8363fd5976913b26b276fe75918cc864748cb8a8..271d64e539bbab8bb345c2f7657f5725902e0fb5 100755 (executable)
@@ -6,6 +6,12 @@ main() {
     sshgw cangw -A -s can0 -d can1
     sshgw 'if pid=`pidof irq/145-can0`; then chrt -p -f 99 $pid; fi'
     sshgw 'if pid=`pidof irq/146-can1`; then chrt -p -f 99 $pid; fi'
+
+    # Unfortunately, we must also increase FEC (Ethernet) IRQ priority
+    # to be above softirq. Otherwise the system crashes with eth load.
+    sshgw 'if pid=`pidof irq/192-mpc52xx`; then chrt -p -f 99 $pid; fi'
+    sshgw 'if pid=`pidof irq/193-mpc52xx`; then chrt -p -f 99 $pid; fi'
+
     sshgw 'if pid=`pidof sirq-net-rx/0`; then chrt -p -f 98 $pid; fi'
     sshgw 'if pid=`pidof sirq-net-tx/0`; then chrt -p -f 98 $pid; fi'
     latester -d can0 -d can1 -d can2 -c $COUNT $(traffic_and_length 2) -n len2