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--
-- 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.
DROP VIEW IF EXISTS {{output}};
CREATE VIEW {{output}} AS
WITH frame_missed_counters AS (
SELECT
LAG(ts) OVER (ORDER BY ts) AS ts,
-- We intentionally don't partition by track id here as only one
-- track should ever exist with this name (the track from
-- surfaceflinger).
ts - LAG(ts) OVER (ORDER BY ts) AS dur,
value
FROM counter c
JOIN process_counter_track t ON c.track_id = t.id
WHERE t.name = '{{track_name}}'
)
SELECT
ts,
dur,
value
FROM frame_missed_counters;
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