+*** langa
+
+#+begin_src conf :tangle (when (and (eq system-type 'gnu/linux) (string= (system-name) "langa")) "/sudo::/etc/default/tlp")
+# ------------------------------------------------------------------------------
+# tlp - Parameters for power saving
+# See full explanation: http://linrunner.de/en/tlp/docs/tlp-configuration.html
+
+# Hint: some features are disabled by default, remove the leading # to enable
+# them.
+
+# Set to 0 to disable, 1 to enable TLP.
+TLP_ENABLE=1
+
+# Operation mode when no power supply can be detected: AC, BAT.
+# Concerns some desktop and embedded hardware only.
+TLP_DEFAULT_MODE=AC
+
+# Operation mode select: 0=depend on power source, 1=always use TLP_DEFAULT_MODE
+# Hint: use in conjunction with TLP_DEFAULT_MODE=BAT for BAT settings on AC.
+TLP_PERSISTENT_DEFAULT=0
+
+# Seconds laptop mode has to wait after the disk goes idle before doing a sync.
+# Non-zero value enables, zero disables laptop mode.
+DISK_IDLE_SECS_ON_AC=0
+DISK_IDLE_SECS_ON_BAT=2
+
+# Dirty page values (timeouts in secs).
+MAX_LOST_WORK_SECS_ON_AC=15
+MAX_LOST_WORK_SECS_ON_BAT=60
+
+# Hint: CPU parameters below are disabled by default, remove the leading #
+# to enable them, otherwise kernel default values are used.
+
+# Select a CPU frequency scaling governor.
+# Intel Core i processor with intel_pstate driver:
+# powersave(*), performance.
+# Older hardware with acpi-cpufreq driver:
+# ondemand(*), powersave, performance, conservative, schedutil.
+# (*) is recommended.
+# Hint: use tlp-stat -p to show the active driver and available governors.
+# Important:
+# powersave for intel_pstate and ondemand for acpi-cpufreq are power
+# efficient for *almost all* workloads and therefore kernel and most
+# distributions have chosen them as defaults. If you still want to change,
+# you should know what you're doing! You *must* disable your distribution's
+# governor settings or conflicts will occur.
+#CPU_SCALING_GOVERNOR_ON_AC=powersave
+#CPU_SCALING_GOVERNOR_ON_BAT=powersave
+
+# Set the min/max frequency available for the scaling governor.
+# Possible values strongly depend on your CPU. For available frequencies see
+# the output of tlp-stat -p.
+#CPU_SCALING_MIN_FREQ_ON_AC=0
+#CPU_SCALING_MAX_FREQ_ON_AC=0
+#CPU_SCALING_MIN_FREQ_ON_BAT=0
+#CPU_SCALING_MAX_FREQ_ON_BAT=0
+
+# Set energy performance hints (HWP) for Intel P-state governor:
+# performance, balance_performance, default, balance_power, power
+# Values are given in order of increasing power saving.
+# Note: Intel Skylake or newer CPU and Kernel >= 4.10 required.
+CPU_HWP_ON_AC=balance_performance
+CPU_HWP_ON_BAT=balance_power
+
+# Set Intel P-state performance: 0..100 (%).
+# Limit the max/min P-state to control the power dissipation of the CPU.
+# Values are stated as a percentage of the available performance.
+# Requires an Intel Core i processor with intel_pstate driver.
+#CPU_MIN_PERF_ON_AC=0
+#CPU_MAX_PERF_ON_AC=100
+#CPU_MIN_PERF_ON_BAT=0
+#CPU_MAX_PERF_ON_BAT=30
+
+# Set the CPU "turbo boost" feature: 0=disable, 1=allow
+# Requires an Intel Core i processor.
+# Important:
+# - This may conflict with your distribution's governor settings
+# - A value of 1 does *not* activate boosting, it just allows it
+#CPU_BOOST_ON_AC=1
+#CPU_BOOST_ON_BAT=0
+
+# Minimize number of used CPU cores/hyper-threads under light load conditions:
+# 0=disable, 1=enable.
+SCHED_POWERSAVE_ON_AC=0
+SCHED_POWERSAVE_ON_BAT=1
+
+# Kernel NMI Watchdog:
+# 0=disable (default, saves power), 1=enable (for kernel debugging only).
+NMI_WATCHDOG=0
+
+# Change CPU voltages aka "undervolting" - Kernel with PHC patch required.
+# Frequency voltage pairs are written to:
+# /sys/devices/system/cpu/cpu0/cpufreq/phc_controls
+# CAUTION: only use this, if you thoroughly understand what you are doing!
+#PHC_CONTROLS="F:V F:V F:V F:V"
+
+# Set CPU performance versus energy savings policy:
+# performance, balance-performance, default, balance-power, power.
+# Values are given in order of increasing power saving.
+# Requires kernel module msr and x86_energy_perf_policy from linux-tools.
+ENERGY_PERF_POLICY_ON_AC=performance
+ENERGY_PERF_POLICY_ON_BAT=balance-power
+
+# Disk devices; separate multiple devices with spaces (default: sda).
+# Devices can be specified by disk ID also (lookup with: tlp diskid).
+DISK_DEVICES="sda sdb"
+
+# Disk advanced power management level: 1..254, 255 (max saving, min, off).
+# Levels 1..127 may spin down the disk; 255 allowable on most drives.
+# Separate values for multiple disks with spaces. Use the special value 'keep'
+# to keep the hardware default for the particular disk.
+DISK_APM_LEVEL_ON_AC="254 254"
+DISK_APM_LEVEL_ON_BAT="128 128"
+
+# Hard disk spin down timeout:
+# 0: spin down disabled
+# 1..240: timeouts from 5s to 20min (in units of 5s)
+# 241..251: timeouts from 30min to 5.5 hours (in units of 30min)
+# See 'man hdparm' for details.
+# Separate values for multiple disks with spaces. Use the special value 'keep'
+# to keep the hardware default for the particular disk.
+#DISK_SPINDOWN_TIMEOUT_ON_AC="0 0"
+#DISK_SPINDOWN_TIMEOUT_ON_BAT="0 0"
+
+# Select IO scheduler for the disk devices: cfq, deadline, noop (Default: cfq).
+# Separate values for multiple disks with spaces. Use the special value 'keep'
+# to keep the kernel default scheduler for the particular disk.
+#DISK_IOSCHED="cfq cfq"
+
+# AHCI link power management (ALPM) for disk devices:
+# min_power, med_power_with_dipm(*), medium_power, max_performance.
+# (*) Kernel >= 4.15 required, then recommended.
+# Multiple values separated with spaces are tried sequentially until success.
+SATA_LINKPWR_ON_AC="med_power_with_dipm max_performance"
+SATA_LINKPWR_ON_BAT="med_power_with_dipm min_power"
+
+# Exclude host devices from AHCI link power management.
+# Separate multiple hosts with spaces.
+#SATA_LINKPWR_BLACKLIST="host1"
+
+# Runtime Power Management for AHCI host and disks devices:
+# on=disable, auto=enable.
+# EXPERIMENTAL ** WARNING: auto will most likely cause system lockups/data loss.
+#AHCI_RUNTIME_PM_ON_AC=on
+#AHCI_RUNTIME_PM_ON_BAT=on
+
+# Seconds of inactivity before disk is suspended.
+AHCI_RUNTIME_PM_TIMEOUT=15
+
+# PCI Express Active State Power Management (PCIe ASPM):
+# default, performance, powersave.
+PCIE_ASPM_ON_AC=performance
+PCIE_ASPM_ON_BAT=powersave
+
+# Radeon graphics clock speed (profile method): low, mid, high, auto, default;
+# auto = mid on BAT, high on AC; default = use hardware defaults.
+RADEON_POWER_PROFILE_ON_AC=high
+RADEON_POWER_PROFILE_ON_BAT=low
+
+# Radeon dynamic power management method (DPM): battery, performance.
+RADEON_DPM_STATE_ON_AC=performance
+RADEON_DPM_STATE_ON_BAT=battery
+
+# Radeon DPM performance level: auto, low, high; auto is recommended.
+RADEON_DPM_PERF_LEVEL_ON_AC=auto
+RADEON_DPM_PERF_LEVEL_ON_BAT=auto
+
+# WiFi power saving mode: on=enable, off=disable; not supported by all adapters.
+WIFI_PWR_ON_AC=off
+WIFI_PWR_ON_BAT=on
+
+# Disable wake on LAN: Y/N.
+WOL_DISABLE=Y
+
+# Enable audio power saving for Intel HDA, AC97 devices (timeout in secs).
+# A value of 0 disables, >=1 enables power saving (recommended: 1).
+SOUND_POWER_SAVE_ON_AC=0
+SOUND_POWER_SAVE_ON_BAT=0
projects / ~bandali / configs / blobdiff