1-- 2-- Copyright 2021 The Android Open Source Project 3-- 4-- Licensed under the Apache License, Version 2.0 (the "License"); 5-- you may not use this file except in compliance with the License. 6-- You may obtain a copy of the License at 7-- 8-- https://www.apache.org/licenses/LICENSE-2.0 9-- 10-- Unless required by applicable law or agreed to in writing, software 11-- distributed under the License is distributed on an "AS IS" BASIS, 12-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13-- See the License for the specific language governing permissions and 14-- limitations under the License. 15 16DROP VIEW IF EXISTS {{output}}; 17CREATE VIEW {{output}} AS 18WITH composition_layer_counts AS ( 19 SELECT 20 LAG(ts) OVER (ORDER BY ts) AS ts, 21 value 22 FROM counter c 23 JOIN process_counter_track t ON c.track_id = t.id 24 WHERE t.name = '{{track_name}}' 25) 26SELECT 27 ts, 28 value 29FROM composition_layer_counts 30WHERE value >= 0 AND ts IS NOT NULL; 31