nikon/tuned
1
0
Fork 0
Code Activity Actions

Merge pull request #587 from zacikpa/resume_latency

Browse source 
plugin_cpu: Support cstate settings of pm_qos_resume_latency_us
This commit is contained in:
Jaroslav Škarvada 2024-01-22 17:15:36 +01:00 committed by GitHub
commit b15de12ec9
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 8 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
tuned/plugins/plugin_cpu.py
View file

@ -458,7 +458,7 @@ class CPULatencyPlugin(hotplug.Plugin):
return latency
# returns (latency, skip), skip means we want to skip latency settings
def _parse_latency(self, latency):
def _parse_latency(self, latency, allow_na=False):
self.cstates_latency = None
latencies = str(latency).split("|")
log.debug("parsing latency")
@ -478,6 +478,8 @@ class CPULatencyPlugin(hotplug.Plugin):
elif latency in ["none", "None"]:
log.debug("latency 'none' specified")
return None, True
elif allow_na and latency == "n/a":
pass
else:
latency = None
log.debug("invalid latency specified: '%s'" % str(latency))
@ -717,18 +719,11 @@ class CPULatencyPlugin(hotplug.Plugin):
if not self._is_cpu_online(device):
log.debug("%s is not online, skipping" % device)
return None
try:
latency = int(pm_qos_resume_latency_us)
log.debug("parsed directly specified latency value: %d" % latency)
if latency < 0:
raise ValueError
except ValueError:
if pm_qos_resume_latency_us == "n/a":
latency = pm_qos_resume_latency_us
else:
log.warning("Invalid latency specified: '%s'" % str(pm_qos_resume_latency_us))
return None
if not self._check_pm_qos_resume_latency_us(device):
latency, skip = self._parse_latency(pm_qos_resume_latency_us, allow_na=True)
if skip or not self._check_pm_qos_resume_latency_us(device):
return None
if latency is None or (latency != "n/a" and latency < 0):
log.warning("Failed to set pm_qos_resume_latency_us on cpu '%s'. Is the value in the profile correct?" % device)
return None
if not sim:
self._cmd.write_to_file(self._pm_qos_resume_latency_us_path(device), latency, \