| -- |
| -- Copyright 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 |
| -- |
| -- https://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. |
| -- |
| |
| -- Create all the views used to aggregate CPU data. |
| -- View with start and end ts for each cpu frequency, per cpu. |
| DROP VIEW IF EXISTS cpu_freq_view; |
| CREATE VIEW cpu_freq_view AS |
| SELECT |
| cpu, |
| ts, |
| LEAD(ts, 1, (SELECT end_ts FROM trace_bounds)) |
| OVER (PARTITION BY cpu ORDER BY ts) - ts AS dur, |
| CAST(value AS INT) AS freq_khz |
| FROM counter |
| JOIN cpu_counter_track ON counter.track_id = cpu_counter_track.id |
| WHERE name = 'cpufreq'; |
| |
| -- View that joins the cpufreq table with the slice table. |
| DROP TABLE IF EXISTS cpu_freq_sched_per_thread; |
| CREATE VIRTUAL TABLE cpu_freq_sched_per_thread |
| USING SPAN_LEFT_JOIN(sched PARTITIONED cpu, cpu_freq_view PARTITIONED cpu); |
