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---
# file: roles/performance_tuning/tasks/x86_64.yaml
- name: Configure {{ ansible_machine }} kernel parameters
lineinfile:
path: '/etc/default/grub'
state: 'present'
regexp: '^GRUB_CMDLINE_LINUX='
line: '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"'
notify:
- 'Update GRUB'
- 'Reboot server'
tags: set-grub
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