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 17SELECT RUN_METRIC('android/process_oom_score.sql'); 18 19-- All LMK events ordered by timestamp 20DROP TABLE IF EXISTS lmk_events; 21CREATE PERFETTO TABLE lmk_events AS 22WITH raw_events AS ( 23 SELECT upid, MAX(ts) AS ts 24 FROM instant 25 JOIN process_track ON instant.track_id = process_track.id 26 WHERE instant.name = 'mem.lmk' 27 GROUP BY 1 28) 29SELECT 30 raw_events.ts, 31 raw_events.upid, 32 oom_scores.oom_score_val AS score 33FROM raw_events 34LEFT JOIN oom_score_span oom_scores 35 ON (raw_events.upid = oom_scores.upid 36 AND raw_events.ts >= oom_scores.ts 37 AND raw_events.ts < oom_scores.ts + oom_scores.dur) 38ORDER BY 1; 39 40DROP VIEW IF EXISTS android_lmk_output; 41CREATE PERFETTO VIEW android_lmk_output AS 42WITH lmk_counts AS ( 43 SELECT score, COUNT(1) AS count 44 FROM lmk_events 45 GROUP BY score 46) 47SELECT AndroidLmkMetric( 48 'total_count', (SELECT COUNT(1) FROM lmk_events), 49 'by_oom_score', ( 50 SELECT 51 RepeatedField(AndroidLmkMetric_ByOomScore( 52 'oom_score_adj', score, 53 'count', count 54 )) 55 FROM lmk_counts 56 WHERE score IS NOT NULL 57 ), 58 'oom_victim_count', ( 59 SELECT COUNT(1) 60 FROM instant 61 WHERE name = 'mem.oom_kill' 62 ) 63); 64