| # Copyright 2016-2017 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. |
| # |
| |
| from trappy.base import Base |
| from trappy.dynamic import register_ftrace_parser |
| |
| class CpuIdle(Base): |
| """Parse cpu_idle""" |
| |
| unique_word = "cpu_idle" |
| pivot = "cpu_id" |
| |
| def finalize_object(self): |
| # The trace contains "4294967295" instead of "-1" when exiting an idle |
| # state. |
| uint32_max = (2 ** 32) - 1 |
| self.data_frame.replace(uint32_max, -1, inplace=True) |
| super(CpuIdle, self).finalize_object() |
| |
| register_ftrace_parser(CpuIdle) |