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authorStepan Andrushko <stepanx.andrushko@intel.com>2018-10-05 21:42:33 +0300
committerStepan Andrushko <stepanx.andrushko@intel.com>2019-02-06 18:40:55 +0200
commit4c72b415a9689986fede6775d31af67980ef7aaa (patch)
tree7793f0e81dcd278ea933f5c85e58fa12a135a22f /ansible/install-inventory.ini
parent88c5dda9712afc71742b164905f21cfff45926fa (diff)
Add CPU isolation support for Yardstick NSB setup
Add support to define CPU isolation in grub by using NSB setup script. List of CPU's to be isolated is not used by default and is defined in install-inventory.ini. Warning: reboot is required to apply CPU isolation to grub. JIRA: YARDSTICK-1467 Change-Id: I54ffa925a8f3059180d17ff4f1c41ff6e0f12066 Signed-off-by: Stepan Andrushko <stepanx.andrushko@intel.com>
Diffstat (limited to 'ansible/install-inventory.ini')
-rw-r--r--ansible/install-inventory.ini7
1 files changed, 6 insertions, 1 deletions
diff --git a/ansible/install-inventory.ini b/ansible/install-inventory.ini
index d0a8ef927..bcd57db65 100644
--- a/ansible/install-inventory.ini
+++ b/ansible/install-inventory.ini
@@ -25,4 +25,9 @@ ubuntu_archive={"amd64": "http://archive.ubuntu.com/ubuntu/", "arm64": "http://p
# path_to_img=/tmp/workspace/yardstick-image.img
# Uncomment credentials below if needed
# ansible_user=root
-# ansible_pass=root
+# ansible_ssh_pass=root
+
+# List of CPUs to be isolated (not used by default)
+# Grub line will be extended with: "isolcpus=<ISOL_CPUS> nohz=on nohz_full=<ISOL_CPUS> rcu_nocbs=1<ISOL_CPUS>"
+# ISOL_CPUS=2-27,30-55 # physical cpu's for all NUMA nodes, four cpu's reserved for kernel
+# ISOL_CPUS=2-27,58-83 # physical cpu's for first NUMA node, four cpu's reserved for kernel