| # 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 filesystem (ext4) trace parsers |
| registered by the FTrace class |
| """ |
| |
| from trappy.base import Base |
| from trappy.dynamic import register_ftrace_parser, register_dynamic_ftrace |
| |
| class FilesystemExt4Base(Base): |
| def generate_data_dict(self, data_str): |
| #filesystem traces are space delimited in the form: |
| #fieldA valueA fieldB valueB ... |
| data = data_str.split(' ') |
| return zip(data[0::2], data[1::2]) |
| |
| def finalize_object(self): |
| self.data_frame.rename(columns={'ino':'inode'}, inplace=True) |
| |
| |
| class FilesystemExt4DaWriteBegin(FilesystemExt4Base): |
| """Corresponds to Linux kernel trace event ext4_da_write_begin""" |
| |
| unique_word = "ext4_da_write_begin:" |
| """The unique word that will be matched in a trace line""" |
| |
| |
| register_ftrace_parser(FilesystemExt4DaWriteBegin) |
| |
| class FilesystemExt4DaWriteEnd(FilesystemExt4Base): |
| """Corresponds to Linux kernel trace event ext4_da_write_end""" |
| |
| unique_word = "ext4_da_write_end:" |
| """The unique word that will be matched in a trace line""" |
| |
| register_ftrace_parser(FilesystemExt4DaWriteEnd) |
| |
| class FilesystemExt4SyncFileEnter(FilesystemExt4Base): |
| """Corresponds to Linux kernel trace event ext4_sync_file_enter""" |
| |
| unique_word = "ext4_sync_file_enter:" |
| """The unique word that will be matched in a trace line""" |
| |
| register_ftrace_parser(FilesystemExt4SyncFileEnter) |
| |
| class FilesystemExt4SyncFileExit(FilesystemExt4Base): |
| """Corresponds to Linux kernel trace event ext4_sync_file_exit""" |
| |
| unique_word = "ext4_sync_file_exit:" |
| """The unique word that will be matched in a trace line""" |
| |
| register_ftrace_parser(FilesystemExt4SyncFileExit) |