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 16-------------------------------------------------------------------------------- 17-- Collect page-reported events for each renderer. Note that we don't need to 18-- match up process ids, because the unique nav_id ensures we're only comparing 19-- corresponding events. 20 21DROP VIEW IF EXISTS page_reported_events; 22CREATE VIEW page_reported_events AS 23SELECT ts, name, EXTRACT_ARG(arg_set_id, "debug.data.navigationId") AS nav_id 24FROM slice 25WHERE category = 'blink.user_timing' 26 AND (name = 'navigationStart' OR name GLOB 'telemetry:reported_by_page:*') 27ORDER BY nav_id, ts ASC; 28 29-------------------------------------------------------------------------------- 30-- Compute the duration from the corresponding navigation start for each 31-- reported event. 32 33DROP VIEW IF EXISTS page_reported_durations; 34CREATE VIEW page_reported_durations AS 35SELECT p.name, (p.ts - ( 36 SELECT MAX(ts) FROM page_reported_events 37 WHERE 38 nav_id = p.nav_id 39 AND ts < p.ts AND ( 40 -- Viewable/interactive markers measure time from nav start. 41 (p.name GLOB 'telemetry:reported_by_page:*' 42 AND p.name NOT GLOB 'telemetry:reported_by_page:benchmark*' 43 AND name = 'navigationStart') 44 -- Benchmark end markers measure time from the most recent begin marker. 45 OR (p.name = 'telemetry:reported_by_page:benchmark_end' 46 AND name = 'telemetry:reported_by_page:benchmark_begin') 47 )) 48) / 1e6 AS dur_ms 49FROM page_reported_events p; 50 51-------------------------------------------------------------------------------- 52-- Combine results into the output table. 53 54DROP VIEW IF EXISTS reported_by_page_output; 55CREATE VIEW reported_by_page_output AS 56SELECT ReportedByPage( 57 'time_to_viewable', ( 58 SELECT RepeatedField(dur_ms) FROM page_reported_durations 59 WHERE name = 'telemetry:reported_by_page:viewable'), 60 'time_to_interactive', ( 61 SELECT RepeatedField(dur_ms) FROM page_reported_durations 62 WHERE name = 'telemetry:reported_by_page:interactive'), 63 'benchmark_time', ( 64 SELECT RepeatedField(dur_ms) FROM page_reported_durations 65 WHERE name = 'telemetry:reported_by_page:benchmark_end') 66); 67