golden hour

/lib/python2.7/site-packages/tuned/plugins

File/Folder	Size	Actions
__init__.py	49 B
__init__.pyc	232 B
__init__.pyo	232 B
base.py	21.7 KB
base.pyc	24.43 KB
base.pyo	24.43 KB
decorators.py	983 B
decorators.pyc	1.52 KB
decorators.pyo	1.52 KB
exceptions.py	99 B
exceptions.pyc	460 B
exceptions.pyo	460 B
hotplug.py	2.97 KB
hotplug.pyc	4.09 KB
hotplug.pyo	4.09 KB
instance	-
plugin_audio.py	2.46 KB
plugin_audio.pyc	4.36 KB
plugin_audio.pyo	4.36 KB
plugin_bootloader.py	12.6 KB
plugin_bootloader.pyc	15.47 KB
plugin_bootloader.pyo	15.47 KB
plugin_cpu.py	12.95 KB
plugin_cpu.pyc	15.46 KB
plugin_cpu.pyo	15.42 KB
plugin_disk.py	13.77 KB
plugin_disk.pyc	16.92 KB
plugin_disk.pyo	16.92 KB
plugin_eeepc_she.py	2.04 KB
plugin_eeepc_she.pyc	3.3 KB
plugin_eeepc_she.pyo	3.3 KB
plugin_modules.py	3.8 KB
plugin_modules.pyc	5.64 KB
plugin_modules.pyo	5.64 KB
plugin_mounts.py	5.17 KB
plugin_mounts.pyc	6.36 KB
plugin_mounts.pyo	6.36 KB
plugin_net.py	14.02 KB
plugin_net.pyc	16.5 KB
plugin_net.pyo	16.5 KB
plugin_scheduler.py	23.2 KB
plugin_scheduler.pyc	25.28 KB
plugin_scheduler.pyo	25.28 KB
plugin_script.py	2.47 KB
plugin_script.pyc	3.77 KB
plugin_script.pyo	3.71 KB
plugin_scsi_host.py	2.59 KB
plugin_scsi_host.pyc	5.01 KB
plugin_scsi_host.pyo	5.01 KB
plugin_selinux.py	1.56 KB
plugin_selinux.pyc	2.96 KB
plugin_selinux.pyo	2.96 KB
plugin_sysctl.py	5.45 KB
plugin_sysctl.pyc	7.33 KB
plugin_sysctl.pyo	7.33 KB
plugin_sysfs.py	2.05 KB
plugin_sysfs.pyc	3.77 KB
plugin_sysfs.pyo	3.77 KB
plugin_systemd.py	4.82 KB
plugin_systemd.pyc	6.87 KB
plugin_systemd.pyo	6.87 KB
plugin_usb.py	1.49 KB
plugin_usb.pyc	3.06 KB
plugin_usb.pyo	3.06 KB
plugin_video.py	2.81 KB
plugin_video.pyc	4.2 KB
plugin_video.pyo	4.2 KB
plugin_vm.py	2.74 KB
plugin_vm.pyc	4.31 KB
plugin_vm.pyo	4.31 KB
repository.py	1.49 KB
repository.pyc	2.46 KB
repository.pyo	2.4 KB

Edit: plugin_video.py

from . import base
from .decorators import *
import tuned.logs
from tuned.utils.commands import commands
import os
import re

log = tuned.logs.get()

class VideoPlugin(base.Plugin):
	"""
	Plugin for tuning powersave options for some graphic cards.
	"""

def _init_devices(self):
		self._devices_supported = True
		self._free_devices = set()
		self._assigned_devices = set()

# FIXME: this is a blind shot, needs testing
		for device in self._hardware_inventory.get_devices("drm").match_sys_name("card*").match_property("DEVTYPE", "drm_minor"):
			self._free_devices.add(device.sys_name)

self._cmd = commands()

def _get_device_objects(self, devices):
		return [self._hardware_inventory.get_device("drm", x) for x in devices]

@classmethod
	def _get_config_options(self):
		return {
			"radeon_powersave" : None,
		}

def _instance_init(self, instance):
		instance._has_dynamic_tuning = False
		instance._has_static_tuning = True

def _instance_cleanup(self, instance):
		pass

def _radeon_powersave_files(self, device):
		return {
			"method" : "/sys/class/drm/%s/device/power_method" % device,
			"profile": "/sys/class/drm/%s/device/power_profile" % device,
			"dpm_state": "/sys/class/drm/%s/device/power_dpm_state" % device
		}

@command_set("radeon_powersave", per_device=True)
	def _set_radeon_powersave(self, value, device, sim):
		sys_files = self._radeon_powersave_files(device)
		va = str(re.sub(r"(\s*:\s*)|(\s+)|(\s*;\s*)|(\s*,\s*)", " ", value)).split()
		if not os.path.exists(sys_files["method"]):
			if not sim:
				log.warn("radeon_powersave is not supported on '%s'" % device)
				return None
		for v in va:
			if v in ["default", "auto", "low", "mid", "high"]:
				if not sim:
					if (self._cmd.write_to_file(sys_files["method"], "profile") and
						self._cmd.write_to_file(sys_files["profile"], v)):
						return v
			elif v == "dynpm":
				if not sim:
					if (self._cmd.write_to_file(sys_files["method"], "dynpm")):
						return "dynpm"
			# new DPM profiles, recommended to use if supported
			elif v in ["dpm-battery", "dpm-balanced", "dpm-performance"]:
				if not sim:
					state = v[len("dpm-"):]
					if (self._cmd.write_to_file(sys_files["method"], "dpm") and
						self._cmd.write_to_file(sys_files["dpm_state"], state)):
						return v
			else:
				if not sim:
					log.warn("Invalid option for radeon_powersave.")
				return None
		return None

@command_get("radeon_powersave")
	def _get_radeon_powersave(self, device, ignore_missing = False):
		sys_files = self._radeon_powersave_files(device)
		method = self._cmd.read_file(sys_files["method"], no_error=ignore_missing).strip()
		if method == "profile":
			return self._cmd.read_file(sys_files["profile"]).strip()
		elif method == "dynpm":
			return method
		elif method == "dpm":
			return "dpm-" + self._cmd.read_file(sys_files["dpm_state"]).strip()
		else:
			return None