nikon/tuned
1
0
Fork 0
Code Activity Actions

video plugin: support for multiple devices, use new commands interface

Browse source
This commit is contained in:
Jan Vcelak 2012-05-11 16:14:02 +02:00
parent 05f8a559d0
commit d2f680d65f
1 changed files with 27 additions and 40 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

67
tuned/plugins/plugin_video.py
View file

@ -2,68 +2,55 @@ import tuned.plugins
import tuned.logs
import tuned.monitors
from tuned.utils.commands import *
import glob
import os
import struct
import glob
log = tuned.logs.get()
STORAGE_CATEGORY = "video"
class VideoPlugin(tuned.plugins.Plugin):
"""
Plugin for tuning powersave options for some graphic cards.
"""
def __init__(self, devices, options):
"""
"""
super(self.__class__, self).__init__(devices, options)
if not tuned.utils.storage.Storage.get_instance().data.has_key(STORAGE_CATEGORY):
tuned.utils.storage.Storage.get_instance().data[STORAGE_CATEGORY] = {}
self.register_command("radeon_powersave",
self._set_radeon_powersave,
self._revert_radeon_powersave)
@classmethod
def _get_default_options(cls):
return {
"dynamic_tuning" : "0",
"dynamic_tuning" : "0",
"radeon_powersave" : None,
}
@classmethod
def tunable_devices(cls):
# radeon_powersave is currently the only condition
config_files = glob.glob("/sys/class/drm/*/device/power_method")
available = set(map(lambda name: name.split("/")[4], config_files))
return available
def cleanup(self):
pass
def update_tuning(self):
pass
@command(STORAGE_CATEGORY, "radeon_powersave")
def _set_radeon_powersave(self, value):
if not os.path.exists("/sys/class/drm/card0/device/power_method"):
return
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,
]
old_values = []
@command_set("radeon_powersave", per_device=True)
def _set_radeon_powersave(self, value, device):
sys_files = self._radeon_powersave_files(device)
if value in ["default", "auto", "low", "med", "high"]:
power_profile = tuned.utils.commands.read_file("/sys/class/drm/card0/device/power_profile")
power_method = tuned.utils.commands.read_file("/sys/class/drm/card0/device/power_method")
old_values = [power_profile, power_method]
tuned.utils.commands.write_to_file("/sys/class/drm/card0/device/power_method", "profile")
tuned.utils.commands.write_to_file("/sys/class/drm/card0/device/power_profile", value)
tuned.utils.commands.write_to_file(sys_files["method"], "profile")
tuned.utils.commands.write_to_file(sys_files["profile"], value)
elif value == "dynpm":
power_profile = tuned.utils.commands.read_file("/sys/class/drm/card0/device/power_profile")
power_method = tuned.utils.commands.read_file("/sys/class/drm/card0/device/power_method")
old_values = [None, power_method]
tuned.utils.commands.write_to_file("/sys/class/drm/card0/device/power_method", "dynpm")
return old_values
tuned.utils.commands.write_to_file(sys_files["method"], "dynpm")
else:
log.warn("Invalid option for radeon_powersave.")
@command_revert(STORAGE_CATEGORY, "radeon_powersave")
def _revert_radeon_powersave(self, values):
power_profile, power_method = values
tuned.utils.commands.write_to_file("/sys/class/drm/card0/device/power_method", power_method)
if power_profile:
tuned.utils.commands.write_to_file("/sys/class/drm/card0/device/power_profile", power_profile)
@command_get("radeon_powersave")
def _get_radeon_powersave(self, device):
sys_files = self._radeon_powersave_files(device)
return tuned.utils.commands.read_file(sys_files["profile"])