---
# 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"'