1-- 2-- Copyright 2019 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-- 16 17DROP TABLE IF EXISTS {{table_name}}_stats; 18CREATE TABLE {{table_name}}_stats ( 19 process_name TEXT PRIMARY KEY, 20 min_value REAL, 21 max_value REAL, 22 avg_value REAL, 23 max_delta_value REAL 24); 25 26DROP TABLE IF EXISTS {{table_name}}_delta; 27CREATE TABLE {{table_name}}_delta AS 28WITH rolling_delta AS ( 29 -- emits one row per ts point 30 SELECT 31 upid, 32 {{table_name}}_val - MIN({{table_name}}_val) OVER win AS delta 33 FROM {{table_name}}_span 34 WINDOW win AS ( 35 PARTITION BY upid 36 ORDER BY ts 37 ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW 38 ) 39) 40SELECT 41 upid, 42 -- max over all ts 43 MAX(delta) AS delta 44FROM rolling_delta 45GROUP BY 1; 46 47INSERT INTO {{table_name}}_stats 48SELECT 49 process.name AS process_name, 50 MIN(span.{{table_name}}_val) AS min_value, 51 MAX(span.{{table_name}}_val) AS max_value, 52 SUM(span.{{table_name}}_val * span.dur) / SUM(span.dur) AS avg_value, 53 MAX(delta.delta) AS max_delta_value 54FROM {{table_name}}_span AS span 55JOIN {{table_name}}_delta AS delta USING(upid) 56JOIN process USING(upid) 57WHERE process.name IS NOT NULL 58GROUP BY 1 59ORDER BY 1; 60 61DROP VIEW IF EXISTS {{table_name}}_stats_proto; 62CREATE VIEW {{table_name}}_stats_proto AS 63SELECT 64 process_name, 65 AndroidMemoryMetric_Counter( 66 'min', min_value, 67 'max', max_value, 68 'avg', avg_value, 69 'delta', max_delta_value 70 ) AS proto 71FROM {{table_name}}_stats; 72