0c65d1c5fa
Adds a simple python parser to convert .ftrace file into sqlite3 database. The rest of the analysis logic is done through a series of SQL commands that build tables/views/select queries. Bug: 134705245 Test: trace_analyzer some_ftrace_file.trace tmp_file.db Change-Id: I25274e25a0ab1f091ae4e6161e6726e006e346a5
31 lines
1.1 KiB
SQL
31 lines
1.1 KiB
SQL
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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DROP VIEW IF EXISTS start_procs;
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CREATE VIEW IF NOT EXISTS start_procs AS
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WITH
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start_procs_raw AS (
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SELECT * from tracing_mark_write_split WHERE atrace_message LIKE 'Start proc: %'
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),
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start_procs_substr AS (
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-- note: "12" is len("Start proc: ")+1. sqlite indices start at 1.
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SELECT raw_ftrace_entry_id, atrace_pid, SUBSTR(atrace_message, 13) AS process_name FROM start_procs_raw
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)
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SELECT * from start_procs_substr;
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SELECT * from start_procs;
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