| # Copyright 2015-2017 ARM Limited |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| |
| """Process the output of the devfreq_cooling devices in the current |
| directory's trace.dat""" |
| |
| import pandas as pd |
| |
| from trappy.base import Base |
| from trappy.dynamic import register_ftrace_parser |
| |
| |
| class DevfreqInPower(Base): |
| """Process de devfreq cooling device data regarding get_power in an |
| FTrace dump""" |
| |
| name = "devfreq_in_power" |
| """The name of the :mod:`pandas.DataFrame` member that will be created in a |
| :mod:`trappy.ftrace.FTrace` object""" |
| |
| unique_word="thermal_power_devfreq_get_power:" |
| """The event name in the trace""" |
| |
| def get_all_freqs(self): |
| """Return a :mod:`pandas.DataFrame` with |
| the frequencies for the devfreq device |
| |
| The format should be the same as the one for |
| :code:`CpuInPower().get_all_freqs()`. |
| |
| .. note:: Frequencies are in MHz. |
| """ |
| |
| return pd.DataFrame(self.data_frame["freq"] / 1000000) |
| |
| register_ftrace_parser(DevfreqInPower, "thermal") |
| |
| |
| class DevfreqOutPower(Base): |
| """Process de devfreq cooling device data regarding power2state in an |
| ftrace dump""" |
| |
| name = "devfreq_out_power" |
| """The name of the :mod:`pandas.DataFrame` member that will be created in a |
| :mod:`trappy.ftrace.FTrace` object""" |
| |
| unique_word="thermal_power_devfreq_limit:" |
| """The event name in the trace""" |
| |
| def get_all_freqs(self): |
| """Return a :mod:`pandas.DataFrame` with |
| the output frequencies for the devfreq device |
| |
| The format should be the same as the one for |
| :code:`CpuOutPower().get_all_freqs()`. |
| |
| .. note:: Frequencies are in MHz. |
| """ |
| |
| return pd.DataFrame(self.data_frame["freq"] / 1000000) |
| |
| register_ftrace_parser(DevfreqOutPower, "thermal") |