---
# file: roles/performance_tuning/tasks/main.yaml

- name: Install distribution - release - machine prerequisites
  include_tasks: '{{ ansible_distribution|lower }}_{{ ansible_distribution_release }}.yaml'
  tags: install-csit-dependencies

- name: Machine specifics
  include_tasks: '{{ ansible_machine }}.yaml'
  tags: set-grub

- name: Turbo boost
  import_tasks: turbo_boost.yaml
  when: >
    cpu_microarchitecture == "skylake" or
    cpu_microarchitecture == "cascadelake"
  tags: turbo-boost

- name: Copy CSIT sysctl file
  template:
    src: 'files/90-csit'
    dest: '/etc/sysctl.d/90-csit.conf'
    owner: 'root'
    group: 'root'
    mode: '0644'
  tags: copy-90-csit

- name: Copy IRQ load balancing file
  copy:
    src: 'files/irqbalance'
    dest: '/etc/default/irqbalance'
    owner: 'root'
    group: 'root'
    mode: '0644'
  tags: copy-irq

- name: Copy cpufrequtils file
  copy:
    src: 'files/cpufrequtils'
    dest: '/etc/default/cpufrequtils'
    owner: 'root'
    group: 'root'
    mode: '0644'
  tags: copy-cpufrequtils

- name: Set ondemand service to disable
  service:
    name: 'ondemand'
    enabled: 'no'
  tags: set-ondemand

- name: Load vfio-pci by default
  lineinfile:
    path: '/etc/modules'
    state: 'present'
    line: 'vfio-pci'
  tags: load-vfio-pci