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# 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)
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