Viewing file:  plugin_eeepc_she.py (2.04 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
from . import base
from . import exceptions
import tuned.logs
from tuned.utils.commands import commands
import os
log = tuned.logs.get()
class EeePCSHEPlugin(base.Plugin):
"""
Plugin for tuning FSB (front side bus) speed on Asus EEE PCs with SHE (Super Hybrid Engine) support.
"""
def __init__(self, *args, **kwargs):
self._cmd = commands()
self._control_file = "/sys/devices/platform/eeepc/cpufv"
if not os.path.isfile(self._control_file):
self._control_file = "/sys/devices/platform/eeepc-wmi/cpufv"
if not os.path.isfile(self._control_file):
raise exceptions.NotSupportedPluginException("Plugin is not supported on your hardware.")
super(EeePCSHEPlugin, self).__init__(*args, **kwargs)
@classmethod
def _get_config_options(self):
return {
"load_threshold_normal" : 0.6,
"load_threshold_powersave" : 0.4,
"she_powersave" : 2,
"she_normal" : 1,
}
def _instance_init(self, instance):
instance._has_static_tuning = False
instance._has_dynamic_tuning = True
instance._she_mode = None
instance._load_monitor = self._monitors_repository.create("load", None)
def _instance_cleanup(self, instance):
if instance._load_monitor is not None:
self._monitors_repository.delete(instance._load_monitor)
instance._load_monitor = None
def _instance_update_dynamic(self, instance, device):
load = instance._load_monitor.get_load()["system"]
if load <= instance.options["load_threshold_powersave"]:
self._set_she_mode(instance, "powersave")
elif load >= instance.options["load_threshold_normal"]:
self._set_she_mode(instance, "normal")
def _instance_unapply_dynamic(self, instance, device):
# FIXME: restore previous value
self._set_she_mode(instance, "normal")
def _set_she_mode(self, instance, new_mode):
new_mode_numeric = int(instance.options["she_%s" % new_mode])
if instance._she_mode != new_mode_numeric:
log.info("new eeepc_she mode %s (%d) " % (new_mode, new_mode_numeric))
self._cmd.write_to_file(self._control_file, "%s" % new_mode_numeric)
self._she_mode = new_mode_numeric
|