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energy_model: further fixes to idle measurement.

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- Fix to core frequency to min
- Only disable idle states that are deeper than the measured state.
  Keep shallower states enabed.
This commit is contained in:
Sergei Trofimov
2015-08-28 17:11:04 +01:00
parent 4389a7d350
commit 1b6b0907f9
2 changed files with 10 additions and 5 deletions
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6
wlauto/modules/cpuidle.py
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@@ -45,8 +45,9 @@ class CpuidleState(object):
raise ValueError('invalid idle state name: "{}"'.format(self.id))
return int(self.id[i:])
def __init__(self, device, path):
def __init__(self, device, index, path):
self.device = device
self.index = index
self.path = path
self.id = self.device.path.basename(self.path)
self.cpu = self.device.path.basename(self.device.path.dirname(path))
@@ -106,7 +107,8 @@ class Cpuidle(Module):
idle_states = []
for state in self.device.listdir(states_dir):
if state.startswith('state'):
idle_states.append(CpuidleState(self.device, self.device.path.join(states_dir, state)))
index = int(state[5:])
idle_states.append(CpuidleState(self.device, index, self.device.path.join(states_dir, state)))
return idle_states
def _on_device_init(self, context): # pylint: disable=unused-argument