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/*
* Copyright (C) 2019 The Android Open Source Project
*
* 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.
*/
-- filter for atrace writes
CREATE VIEW IF NOT EXISTS tracing_mark_writes AS
SELECT *
FROM raw_ftrace_entries
WHERE function = 'tracing_mark_write';
-- split the tracing_mark_write function args by ||s
DROP TABLE IF exists tracing_mark_write_split_array;
CREATE TABLE tracing_mark_write_split_array (
predictorset_id INT REFERENCES raw_ftrace_entries (id),
predictor_name,
rest,
gen,
UNIQUE(predictorset_id, gen) -- drops redundant inserts into table
);
CREATE INDEX "tracing_mark_write_split_array_id" ON tracing_mark_write_split_array (
predictorset_id COLLATE BINARY COLLATE BINARY
);
INSERT INTO tracing_mark_write_split_array
WITH
split(predictorset_id, predictor_name, rest, gen) AS (
-- split by |
SELECT id, '', function_args || '|', 0 FROM tracing_mark_writes WHERE id
UNION ALL
SELECT predictorset_id,
substr(rest, 0, instr(rest, '|')),
substr(rest, instr(rest, '|')+1),
gen + 1
FROM split
WHERE rest <> ''),
split_results AS (
SELECT * FROM split WHERE predictor_name <> ''
)
SELECT * from split_results
;
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