X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=docs%2Freport%2Fintroduction%2Ftest_environment_sut_conf_3.rst;fp=docs%2Freport%2Fintroduction%2Ftest_environment_sut_conf_3.rst;h=e50a08eb9850b4bff77e11e2a705753271087731;hb=ee1321d27bc39baab5bc2615834fd7392b79a160;hp=0000000000000000000000000000000000000000;hpb=ce1088d88744f2c040801c9852565d522b3feb68;p=csit.git diff --git a/docs/report/introduction/test_environment_sut_conf_3.rst b/docs/report/introduction/test_environment_sut_conf_3.rst new file mode 100644 index 0000000000..e50a08eb98 --- /dev/null +++ b/docs/report/introduction/test_environment_sut_conf_3.rst @@ -0,0 +1,27 @@ + +**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