| # Copyright 2017 Google, 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. |
| # |
| |
| |
| """ |
| Definitions of common_clk (CONFIG_COMMON_CLK) trace parsers |
| registered by the FTrace class |
| """ |
| |
| from trappy.base import Base |
| from trappy.dynamic import register_ftrace_parser, register_dynamic_ftrace |
| |
| class CommonClkBase(Base): |
| #clock traces are of the form "clk_name field0=x field1=y ..." |
| def generate_data_dict(self, data_str): |
| clk_name, fields = data_str.split(' ', 1) |
| ret = super(CommonClkBase, self).generate_data_dict(fields) |
| ret['clk_name'] = clk_name |
| return ret |
| |
| class CommonClkEnable(CommonClkBase): |
| """Corresponds to Linux kernel trace event clock_enable""" |
| |
| unique_word = "clock_enable:" |
| """The unique word that will be matched in a trace line""" |
| |
| register_ftrace_parser(CommonClkEnable) |
| |
| class CommonClkDisable(CommonClkBase): |
| """Corresponds to Linux kernel trace event clock_disable""" |
| |
| unique_word = "clock_disable:" |
| """The unique word that will be matched in a trace line""" |
| |
| register_ftrace_parser(CommonClkDisable) |
| |
| class CommonClkSetRate(CommonClkBase): |
| """Corresponds to Linux kernel trace event clock_set_rate""" |
| |
| unique_word = "clock_set_rate:" |
| """The unique word that will be matched in a trace line""" |
| |
| def finalize_object(self): |
| self.data_frame.rename(columns={'state':'rate'}, inplace=True) |
| |
| register_ftrace_parser(CommonClkSetRate) |