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scheduler: Refactor

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Signed-off-by: Ondřej Lysoněk <olysonek@redhat.com>
This commit is contained in:
Ondřej Lysoněk 2018-07-02 23:14:41 +02:00
parent c170b69602
commit 98254efae0
1 changed files with 15 additions and 11 deletions
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26
tuned/plugins/plugin_scheduler.py
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@ -607,20 +607,24 @@ class SchedulerPlugin(base.Plugin):
@command_custom("isolated_cores", per_device = False, priority = 10)
def _isolated_cores(self, enabling, value, verify, ignore_missing):
affinity = None
if value is not None:
isolated = set(self._cmd.cpulist_unpack(value))
present = set(self._cpus)
if isolated.issubset(present):
affinity = list(present - isolated)
else:
str_cpus = ",".join([str(x) for x in self._cpus])
log.error("Invalid isolated_cores specified, '%s' does not match available cores '%s'"
% (value, str_cpus))
if (enabling or verify) and affinity is None:
return None
# currently unsupported
if verify:
return None
if enabling:
if value is not None:
isolated = set(self._cmd.cpulist_unpack(value))
present = set(self._cpus)
if not isolated.issubset(present):
str_cpus = ",".join([str(x) for x in self._cpus])
log.error("invalid isolated_cores specified, '%s' don't match available cores '%s'" % (value, str_cpus))
return None
affinity = list(present - isolated)
self._set_ps_affinity(affinity)
self._set_all_irq_affinity(affinity)
elif enabling:
self._set_ps_affinity(affinity)
self._set_all_irq_affinity(affinity)
else:
# Restoring processes' affinity is done in
# _instance_unapply_static()