| -- |
| -- Copyright 2020 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. |
| -- |
| |
| -- This is a templated metric that takes 3 parameters: |
| -- input: name of a table/view which must have columns: id, ts, dur and a |
| -- "category" column |
| -- output: name of the view that will be created |
| -- category: name of the category column in the input table, which will be |
| -- preserved in the output |
| |
| SELECT RUN_METRIC('chrome/chrome_processes.sql'); |
| SELECT RUN_METRIC('android/power_drain_in_watts.sql'); |
| |
| -- SPAN_JOIN does not yet support non-integer partitions so add an integer |
| -- column that corresponds to the power rail name. |
| DROP TABLE IF EXISTS power_rail_name_mapping; |
| CREATE TABLE power_rail_name_mapping AS |
| SELECT DISTINCT name, |
| ROW_NUMBER() OVER() AS idx |
| FROM drain_in_watts; |
| |
| DROP VIEW IF EXISTS mapped_drain_in_watts; |
| CREATE VIEW mapped_drain_in_watts AS |
| SELECT d.name, ts, dur, drain_w, idx |
| FROM drain_in_watts d |
| JOIN power_rail_name_mapping p ON d.name = p.name; |
| |
| DROP TABLE IF EXISTS real_{{input}}_power; |
| CREATE VIRTUAL TABLE real_{{input}}_power USING SPAN_JOIN( |
| {{input}}, |
| mapped_drain_in_watts PARTITIONED idx |
| ); |
| |
| -- Actual power usage for chrome across the categorised slices contained in the |
| -- input table broken down by subsystem. |
| DROP VIEW IF EXISTS {{output}}; |
| CREATE VIEW {{output}} AS |
| SELECT s.id, |
| ts, |
| dur, |
| {{category}}, |
| subsystem, |
| joules, |
| joules / dur * 1e9 AS drain_w |
| FROM ( |
| SELECT id, |
| subsystem, |
| SUM(drain_w * dur / 1e9) AS joules |
| FROM real_{{input}}_power |
| JOIN power_counters |
| WHERE real_{{input}}_power.name = power_counters.name |
| GROUP BY id, |
| subsystem |
| ) p |
| JOIN {{input}} s |
| WHERE s.id = p.id |
| ORDER BY s.id; |
| |
| SELECT id, |
| subsystem, |
| SUM(drain_w * dur / 1e9) AS joules |
| FROM real_{{input}}_power |
| JOIN power_counters |
| WHERE real_{{input}}_power.name = power_counters.name |
| GROUP BY id, |
| subsystem; |