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-- A collection of metrics related to TouchMove events. 17-- 18-- We define a TouchMove to be janky if comparing forwards or backwards 19-- (ignoring coalesced updates) a given TouchMove exceeds the duration of its 20-- predecessor or successor by 50% of a vsync interval (defaulted to 60 FPS). 21-- 22-- WARNING: This metric should not be used as a source of truth. It is under 23-- active development and the values & meaning might change without 24-- notice. 25 26SELECT RUN_METRIC( 27 'chrome/gesture_jank.sql', 28 'prefix', 'touch', 29 'gesture_start', 'TouchStart', 30 'gesture_update', 'TouchMove', 31 'gesture_end', 'TouchEnd', 32 'id_field', 'touch_id', 33 'proto_name', 'TouchJank'); 34