added governor control code

This commit is contained in:
2024-12-20 17:28:35 +01:00
parent 2233a0181a
commit 2a1cfa9f72
6 changed files with 69 additions and 26 deletions
+29 -8
View File
@@ -2,12 +2,26 @@ from app_class import AppClass
from config import Config
from cpufreq import cpuFreq, cpufreq # type: ignore
from functools import cached_property
from mapping import governor_priority_mapping
from exceptions import GovernorNotFound
from typing import Optional
from typing import Optional, NamedTuple
class Governor(NamedTuple):
name: str
priority: int
_governor_list: list[Governor] = [
Governor("performance", 0),
Governor("schedutil", 1),
Governor("ondemand", 2),
Governor("conservative", 3),
Governor("userspace", 4),
Governor("powersave", 5)
]
class Governor(AppClass):
class GovernorControl(AppClass):
def __init__(self, _config: Config) -> None:
super().__init__(_config)
self.log.info("current governor is: %s", self.current_governor)
@@ -21,20 +35,27 @@ class Governor(AppClass):
return None
@property
def current_governor(self) -> Optional[str]:
def current_governor(self) -> Optional[Governor]:
if self._cpufreq is None:
return None
_governor = set(self._cpufreq.get_governors().values())
_governor_to_return = list(_governor)[0]
_governor_to_return = self._establish_governor(list(_governor)[0])
if len(_governor) == 0:
raise GovernorNotFound("Unable to retrieve current governor")
if len(_governor) > 1:
self.log.error("multiple governors have been set, which is not expected.")
# returning governor with highest priority based on performance
for gov in _governor:
if governor_priority_mapping[gov] < governor_priority_mapping[_governor_to_return]:
_governor_to_return == gov
return _governor_to_return
t_gov = self._establish_governor(gov)
if t_gov.priority < _governor_to_return.priority:
_governor_to_return == t_gov
return _governor_to_return
def _establish_governor(self, governor_name: str) -> Governor:
governor = next((g for g in _governor_list if g.name == governor_name), None)
if governor is None:
raise RuntimeError("could not establish governor")
return governor
def set_governor(self, governor_name: str) -> None:
self.log.debug(