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module/sched: Expose the remote CPU capacity sysfs path

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A later change needs to access this outside of a SchedModule instance,
so make the information available as a classmethod.
This commit is contained in:
Valentin Schneider 2019-07-09 14:55:22 +01:00 committed by Marc Bonnici
parent 2d86474682
commit 03a469fc38
1 changed files with 11 additions and 6 deletions
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17
devlib/module/sched.py
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@ -401,13 +401,22 @@ class SchedModule(Module):
return sd.procfs["domain0"].get("group0", {}).get("energy", {}).get("cap_states") != None return sd.procfs["domain0"].get("group0", {}).get("energy", {}).get("cap_states") != None
@classmethod
def cpu_dmips_capacity_path(cls, target, cpu):
"""
:returns: The target sysfs path where the dmips capacity data should be
"""
return target.path.join(
cls.cpu_sysfs_root,
'cpu{}/cpu_capacity'.format(cpu))
@memoized @memoized
def has_dmips_capacity(self, cpu): def has_dmips_capacity(self, cpu):
""" """
:returns: Whether dmips capacity data is available for 'cpu' :returns: Whether dmips capacity data is available for 'cpu'
""" """
return self.target.file_exists( return self.target.file_exists(
self.target.path.join(self.cpu_sysfs_root, 'cpu{}/cpu_capacity'.format(cpu)) self.cpu_dmips_capacity_path(self.target, cpu)
) )
@memoized @memoized
@ -430,11 +439,7 @@ class SchedModule(Module):
:returns: The capacity value generated from the capacity-dmips-mhz DT entry :returns: The capacity value generated from the capacity-dmips-mhz DT entry
""" """
return self.target.read_value( return self.target.read_value(
self.target.path.join( self.cpu_dmips_capacity_path(self.target, cpu), int
self.cpu_sysfs_root,
'cpu{}/cpu_capacity'.format(cpu)
),
int
) )
def get_capacities(self, default=None): def get_capacities(self, default=None):