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 20CREATE TABLE IF NOT EXISTS lmk_events AS 21WITH raw_events AS ( 22 SELECT ref AS upid, MIN(ts) AS ts 23 FROM instants 24 WHERE name = 'mem.lmk' AND ref_type = 'upid' 25 GROUP BY 1 26) 27SELECT 28 raw_events.ts, 29 raw_events.upid, 30 oom_scores.oom_score_val AS score 31FROM raw_events 32LEFT JOIN oom_score_span oom_scores 33 ON (raw_events.upid = oom_scores.upid AND 34 raw_events.ts >= oom_scores.ts AND 35 raw_events.ts < oom_scores.ts + oom_scores.dur) 36ORDER BY 1; 37 38CREATE VIEW IF NOT EXISTS android_lmk_annotations AS 39WITH raw_events AS ( 40 SELECT 41 ts, 42 LEAD(ts) OVER (ORDER BY ts) - ts AS dur, 43 value AS tid 44 FROM counter c 45 JOIN counter_track t ON t.id = c.track_id 46 WHERE t.name = 'kill_one_process' 47), 48lmks_with_proc_name AS ( 49 SELECT 50 *, 51 process.name as process_name 52 FROM raw_events 53 LEFT JOIN thread ON 54 thread.tid = raw_events.tid AND 55 raw_events.ts BETWEEN thread.start_ts AND thread.end_ts 56 LEFT JOIN process USING(upid) 57 WHERE raw_events.tid != 0 58) 59SELECT 60 'slice' as track_type, 61 'Low Memory Kills (LMKs)' as track_name, 62 ts, 63 dur, 64 CASE 65 WHEN process_name IS NULL THEN printf('Process %d', lmk.pid) 66 ELSE printf('%s (pid: %d)', process_name, lmk.pid) 67 END AS slice_name 68FROM lmks_with_proc_name as lmk; 69 70CREATE VIEW IF NOT EXISTS android_lmk_output AS 71WITH lmk_counts AS ( 72 SELECT score, COUNT(1) AS count 73 FROM lmk_events 74 GROUP BY score 75) 76SELECT AndroidLmkMetric( 77 'total_count', (SELECT COUNT(1) FROM lmk_events), 78 'by_oom_score', ( 79 SELECT 80 RepeatedField(AndroidLmkMetric_ByOomScore( 81 'oom_score_adj', score, 82 'count', count 83 )) 84 FROM lmk_counts 85 WHERE score IS NOT NULL 86 ), 87 'oom_victim_count', ( 88 SELECT COUNT(1) FROM instants WHERE name = 'mem.oom_kill' 89 ) 90); 91