feat: add tlp-service and thermald-service in system declaration to improve battery life

buer.scm

@@ -22,6 +22,7 @@
  #|D|# desktop
  #|M|# mcron
  #|N|# networking
+ #|P|# pm
  #|S|# sound sysctl)
 
 (use-package-modules
@@ -214,6 +215,26 @@
                  (dhcp-client-configuration
                   (interfaces 'all)))
 
+        #|Power management services|#
+        (service tlp-service-type
+                 (tlp-configuration
+                  (cpu-scaling-governor-on-ac  '("performance"))
+                  (cpu-scaling-governor-on-bat '("powersave"))
+                  (cpu-scaling-min-freq-on-ac  1500000)
+                  (cpu-scaling-max-freq-on-ac  3500000)
+                  (cpu-scaling-min-freq-on-bat 1000000)
+                  (cpu-scaling-max-freq-on-bat 3000000)
+                  (cpu-min-perf-on-ac    0)
+                  (cpu-max-perf-on-ac  100)
+                  (cpu-min-perf-on-bat   0)
+                  (cpu-max-perf-on-bat  40)
+                  (cpu-boost-on-ac?  #t)
+                  (cpu-boost-on-bat? #f)
+                  (nmi-watchdog? #t)
+                  (start-charge-thresh-bat0 70)
+                  (stop-charge-thresh-bat0  90)))
+        (service thermald-service-type)
+
         #|Thinkfan services|#
         (simple-service 'thinkfan-config etc-service-type
                         `(("modprobe.d/thinkfan.conf" ,file:thinkfan-modprobe-config)