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Merge pull request #404 from CZerta/cpu_cstate_no_zero

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Expanding cpu plugin force_latency option syntax
This commit is contained in:
Jaroslav Škarvada 2022-02-01 18:12:44 +01:00 committed by GitHub
commit b53e49d0fb
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 3 deletions
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16
tuned/plugins/plugin_cpu.py
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@ -242,16 +242,19 @@ class CPULatencyPlugin(base.Plugin):
if latency is not None:
self.cstates_latency[name.strip()] = latency
def _get_latency_by_cstate_name(self, name):
def _get_latency_by_cstate_name(self, name, no_zero=False):
log.debug("getting latency for cstate with name '%s'" % name)
if self.cstates_latency is None:
log.debug("reading cstates latency table")
self._read_cstates_latency()
latency = self.cstates_latency.get(name, None)
if no_zero and latency == 0:
log.debug("skipping latency 0 as set by param")
return None
log.debug("cstate name mapped to latency: %s" % str(latency))
return latency
def _get_latency_by_cstate_id(self, lid):
def _get_latency_by_cstate_id(self, lid, no_zero=False):
log.debug("getting latency for cstate with ID '%s'" % str(lid))
lid = self._str2int(lid)
if lid is None:
@ -259,6 +262,9 @@ class CPULatencyPlugin(base.Plugin):
return None
latency_path = cpuidle_states_path + "/%s/latency" % ("state%d" % lid)
latency = self._str2int(self._cmd.read_file(latency_path, err_ret = None, no_error = True))
if no_zero and latency == 0:
log.debug("skipping latency 0 as set by param")
return None
log.debug("cstate ID mapped to latency: %s" % str(latency))
return latency
@ -272,8 +278,12 @@ class CPULatencyPlugin(base.Plugin):
latency = int(latency)
log.debug("parsed directly specified latency value: %d" % latency)
except ValueError:
if latency[0:10] == "cstate.id:":
if latency[0:18] == "cstate.id_no_zero:":
latency = self._get_latency_by_cstate_id(latency[18:], no_zero=True)
elif latency[0:10] == "cstate.id:":
latency = self._get_latency_by_cstate_id(latency[10:])
elif latency[0:20] == "cstate.name_no_zero:":
latency = self._get_latency_by_cstate_name(latency[20:], no_zero=True)
elif latency[0:12] == "cstate.name:":
latency = self._get_latency_by_cstate_name(latency[12:])
elif latency in ["none", "None"]: