| -- |
| -- Copyright 2020 The Android Open Source Project |
| -- |
| -- Licensed under the Apache License, Version 2.0 (the "License"); |
| -- you may not use this file except in compliance with the License. |
| -- You may obtain a copy of the License at |
| -- |
| -- https://www.apache.org/licenses/LICENSE-2.0 |
| -- |
| -- Unless required by applicable law or agreed to in writing, software |
| -- distributed under the License is distributed on an "AS IS" BASIS, |
| -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| -- See the License for the specific language governing permissions and |
| -- limitations under the License. |
| SELECT RUN_METRIC('chrome/scroll_flow_event_queuing_delay.sql'); |
| |
| SELECT |
| -- Each trace_id (in our example trace not true in general) has 8 steps. There |
| -- are 139 scrolls. So we expect 1112 rows in total 72 of which are janky. |
| ( |
| SELECT |
| COUNT(*) |
| FROM ( |
| SELECT |
| trace_id, |
| COUNT(*) |
| FROM scroll_flow_event_queuing_delay |
| GROUP BY trace_id |
| ) |
| ) AS total_scroll_updates, |
| ( |
| SELECT COUNT(*) FROM scroll_flow_event_queuing_delay |
| ) AS total_flow_event_steps, |
| ( |
| SELECT COUNT(*) FROM scroll_flow_event_queuing_delay WHERE jank |
| ) AS total_janky_flow_event_steps, |
| ( |
| SELECT COUNT(*) FROM (SELECT step FROM scroll_flow_event_queuing_delay GROUP BY step) |
| ) AS number_of_unique_steps; |