+---
+# file: roles/performance_tuning/defaults/main.yaml
+
+packages: "{{ packages_base + packages_by_distro[ansible_distribution | lower] + packages_by_arch[ansible_machine] }}"
+
+packages_base:
+ - "cpufrequtils"
+
+packages_by_distro:
+ ubuntu:
+ - []
+
+packages_by_arch:
+ aarch64:
+ - []
+ x86_64:
+ - []
+
+grub_cmdline_linux:
+ aarch64:
+ - 'GRUB_CMDLINE_LINUX="isolcpus={{ grub.isolcpus }} nohz_full={{ grub.nohz_full }} rcu_nocbs={{ grub.rcu_nocbs }} intel_iommu=on nmi_watchdog=0 audit=0 nosoftlockup processor.max_cstate=1"'
+ x86_64:
+ - 'GRUB_CMDLINE_LINUX="isolcpus={{ grub.isolcpus }} nohz_full={{ grub.nohz_full }} rcu_nocbs={{ grub.rcu_nocbs }} numa_balancing=disable intel_pstate=disable intel_iommu=on iommu=pt nmi_watchdog=0 audit=0 nosoftlockup processor.max_cstate=1 intel_idle.max_cstate=1 hpet=disable tsc=reliable mce=off"'