Update report doc for rls1807

[csit.git] / docs / report / introduction / test_environment_sut_conf_3.rst

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+
+**Host IRQ affinity**
+
+Changing the default pinning of every IRQ to core 0. (Same does apply on both
+guest VM and host OS)
+
+::
+
+    $ for l in `ls /proc/irq`; do echo 1 | sudo tee /proc/irq/$l/smp_affinity; done
+
+**Host RCU affinity**
+
+Changing the default pinning of RCU to core 0. (Same does apply on both guest VM
+and host OS)
+
+::
+
+    $ for i in `pgrep rcu[^c]` ; do sudo taskset -pc 0 $i ; done
+
+**Host Writeback affinity**
+
+Changing the default pinning of writebacks to core 0. (Same does apply on both
+guest VM and host OS)
+
+::
+
+    $ echo 1 | sudo tee /sys/bus/workqueue/devices/writeback/cpumask