From dd8c2ff93784eba97afe909d58e864bf1c0fdc9d Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Sat, 18 Feb 2023 11:30:46 -0500
Subject: [PATCH] Configure vm.laptop_mode and vm.dirty_writeback_centisecs.

---
 .../environments/laptop/host_vars/odolinux    |  3 ++
 ansible/roles/power/defaults/main.yaml        | 15 ++++++++
 ansible/roles/power/tasks/linux.yaml          | 37 +++++++++++++++++++
 3 files changed, 55 insertions(+)
 create mode 100644 ansible/roles/power/defaults/main.yaml

diff --git a/ansible/environments/laptop/host_vars/odolinux b/ansible/environments/laptop/host_vars/odolinux
index 13a7128..d4cb545 100644
--- a/ansible/environments/laptop/host_vars/odolinux
+++ b/ansible/environments/laptop/host_vars/odolinux
@@ -23,3 +23,6 @@ graphics_driver: "intel"
 build_user:
   name: talexander
   group: talexander
+wireguard_directory: odo
+enabled_wireguard:
+  - wgh
diff --git a/ansible/roles/power/defaults/main.yaml b/ansible/roles/power/defaults/main.yaml
new file mode 100644
index 0000000..bdc48d1
--- /dev/null
+++ b/ansible/roles/power/defaults/main.yaml
@@ -0,0 +1,15 @@
+tlp_config:
+  PCIE_ASPM_ON_BAT: powersupersave
+  USB_ALLOWLIST: "1050:0406"
+  CPU_BOOST_ON_AC: "0"
+  CPU_BOOST_ON_BAT: "0"
+  CPU_ENERGY_PERF_POLICY_ON_BAT: "power"
+  DISK_IDLE_SECS_ON_BAT: "5"
+  CPU_MIN_PERF_ON_AC: "0"
+  CPU_MAX_PERF_ON_AC: "100"
+  CPU_MIN_PERF_ON_BAT: "0"
+  CPU_MAX_PERF_ON_BAT: "100"
+  # WIFI_PWR_ON_AC: "on"
+  # WIFI_PWR_ON_BAT: "on"
+  # CPU_HWP_DYN_BOOST_ON_AC: "0"
+  # CPU_HWP_DYN_BOOST_ON_BAT: "0"
diff --git a/ansible/roles/power/tasks/linux.yaml b/ansible/roles/power/tasks/linux.yaml
index 9e7b801..bc15c06 100644
--- a/ansible/roles/power/tasks/linux.yaml
+++ b/ansible/roles/power/tasks/linux.yaml
@@ -2,8 +2,45 @@
   package:
     name:
       - powertop
+      - tlp
     state: present
 
+# - name: Configure TLP
+#   lineinfile:
+#     path: /etc/tlp.conf
+#     regexp: "^{{ item.key }}="
+#     line: '{{ item.key }}="{{ item.value }}"'
+#   loop: "{{ tlp_config | dict2items }}"
+#   when: '" " in item.value'
+
+# - name: Configure TLP
+#   lineinfile:
+#     path: /etc/tlp.conf
+#     regexp: "^{{ item.key }}="
+#     line: "{{ item.key }}={{ item.value }}"
+#   loop: "{{ tlp_config | dict2items }}"
+#   when: '" " not in item.value'
+
+- name: Configure sysctls
+  sysctl:
+    name: "{{ item.name }}"
+    value: "{{ item.value }}"
+    state: present
+    sysctl_file: /etc/sysctl.d/dirty.conf
+  loop:
+    - name: vm.dirty_writeback_centisecs
+      value: 2000 # Default is 500 (5 seconds)
+
+- name: Configure sysctls
+  sysctl:
+    name: "{{ item.name }}"
+    value: "{{ item.value }}"
+    state: present
+    sysctl_file: /etc/sysctl.d/laptop.conf
+  loop:
+    - name: vm.laptop_mode
+      value: 5
+
 - name: Enable services
   systemd:
     name: tlp.service