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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/roles/enable_cpu_isolation_on_boot/defaults
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/roles/enable_cpu_isolation_on_boot/defaults')
-rw-r--r--ansible/roles/enable_cpu_isolation_on_boot/defaults/main.yml21
1 files changed, 21 insertions, 0 deletions
diff --git a/ansible/roles/enable_cpu_isolation_on_boot/defaults/main.yml b/ansible/roles/enable_cpu_isolation_on_boot/defaults/main.yml
new file mode 100644
index 000000000..37c3fd8e1
--- /dev/null
+++ b/ansible/roles/enable_cpu_isolation_on_boot/defaults/main.yml
@@ -0,0 +1,21 @@
+# Copyright (c) 2018 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+grub_file: "/etc/default/grub"
+isolcpus_help_string: ' # added by Yardstick ansible isolcpus role'
+isolcpu_params: " isolcpus={{ ISOL_CPUS }} nohz=on nohz_full={{ ISOL_CPUS }} rcu_nocbs={{ ISOL_CPUS }}"
+enable_isolcpu: 'GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX{{ isolcpu_params }}"'
+update_grub:
+ Debian: "update-grub2"
+ RedHat: "grub2-mkconfig -o /boot/grub2/grub.cfg"