src/trace_processor/stdlib/android/battery.sql

--
-- Copyright 2022 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.

-- Battery charge at timestamp.
--
-- @column ts                  Timestamp.
-- @column current_avg_ua      Current average micro ampers.
-- @column capacity_percent    Current capacity percentage.
-- @column charge_uah          Current charge in micro ampers.
-- @column current_ua          Current micro ampers.
CREATE VIEW android_battery_charge AS
SELECT
  all_ts.ts,
  current_avg_ua,
  capacity_percent,
  charge_uah,
  current_ua
FROM (
  SELECT DISTINCT(ts) AS ts
  FROM counter c
  JOIN counter_track t ON c.track_id = t.id
  WHERE name GLOB 'batt.*'
) AS all_ts
LEFT JOIN (
  SELECT ts, value AS current_avg_ua
  FROM counter c
  JOIN counter_track t ON c.track_id = t.id
  WHERE name = 'batt.current.avg_ua'
) USING(ts)
LEFT JOIN (
  SELECT ts, value AS capacity_percent
  FROM counter c
  JOIN counter_track t ON c.track_id = t.id
  WHERE name = 'batt.capacity_pct'
) USING(ts)
LEFT JOIN (
  SELECT ts, value AS charge_uah
  FROM counter c
  JOIN counter_track t ON c.track_id = t.id
  WHERE name = 'batt.charge_uah'
) USING(ts)
LEFT JOIN (
  SELECT ts, value AS current_ua
  FROM counter c
  JOIN counter_track t ON c.track_id = t.id
  WHERE name = 'batt.current_ua'
) USING(ts)
ORDER BY ts;