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Merge pull request #230 from yarda/force-latency-none

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latency: support None value
This commit is contained in:
Jaroslav Škarvada 2019-11-29 13:17:25 +01:00 committed by GitHub
commit aacd51081d
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 3 deletions
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10
tuned/plugins/plugin_cpu.py
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@ -259,6 +259,7 @@ class CPULatencyPlugin(base.Plugin):
log.debug("cstate ID mapped to latency: %s" % str(latency))
return latency
# returns (latency, skip), skip means we want to skip latency settings
def _parse_latency(self, latency):
self.cstates_latency = None
latencies = str(latency).split("|")
@ -272,16 +273,19 @@ class CPULatencyPlugin(base.Plugin):
latency = self._get_latency_by_cstate_id(latency[10:])
elif latency[0:12] == "cstate.name:":
latency = self._get_latency_by_cstate_name(latency[12:])
elif latency in ["none", "None"]:
log.debug("latency 'none' specified")
return None, True
else:
latency = None
log.debug("invalid latency specified: '%s'" % str(latency))
if latency is not None:
break
return latency
return latency, False
def _set_latency(self, latency):
latency = self._parse_latency(latency)
if self._has_pm_qos:
latency, skip = self._parse_latency(latency)
if not skip and self._has_pm_qos:
if latency is None:
log.error("unable to evaluate latency value (probably wrong settings in the 'cpu' section of current profile), disabling PM QoS")
self._has_pm_qos = False