| /* |
| * 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. |
| */ |
| |
| -- use the 'launching: $process_name' async slice to figure out launch duration. |
| DROP VIEW IF EXISTS launch_durations_named; |
| |
| CREATE VIEW launch_durations_named AS |
| WITH |
| launch_traces_raw AS ( |
| SELECT * |
| FROM tracing_mark_write_split AS tmw, |
| raw_ftrace_entries AS rfe |
| WHERE atrace_message LIKE 'launching: %' AND rfe.id = tmw.raw_ftrace_entry_id |
| ), |
| launch_traces_joined AS ( |
| SELECT started.timestamp AS started_timestamp, |
| finished.timestamp AS finished_timestamp, |
| started.id AS started_id, |
| finished.id AS finished_id, |
| SUBSTR(started.atrace_message, 12) AS proc_name -- crop out "launching: " from the string. |
| FROM launch_traces_raw AS started, |
| launch_traces_raw AS finished |
| -- async slices ('S' -> 'F') have matching counters given the same PID. |
| WHERE started.atrace_type == 'S' |
| AND finished.atrace_type == 'F' |
| AND started.atrace_count == finished.atrace_count |
| AND started.atrace_pid == finished.atrace_pid |
| ) |
| SELECT * from launch_traces_joined; |
| |
| SELECT * FROM launch_durations_named; |