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-- Copyright 2023 The Chromium Authors
-- Use of this source code is governed by a BSD-style license that can be
-- found in the LICENSE file.
-- This file specifies common metrics/tables for critical user interactions. It
-- is expected to be in flux as metrics are added across different CUI types.
-- Currently we only track Chrome page loads and their associated metrics.
INCLUDE PERFETTO MODULE chrome.page_loads;
INCLUDE PERFETTO MODULE chrome.scroll_interactions;
INCLUDE PERFETTO MODULE chrome.startups;
INCLUDE PERFETTO MODULE chrome.web_content_interactions;
-- All critical user interaction events, including type and table with
-- associated metrics.
CREATE PERFETTO TABLE chrome_interactions (
-- Identifier of the interaction; this is not guaranteed to be unique to the table -
-- rather, it is unique within an individual interaction type. Combine with type to get
-- a unique identifier in this table.
scoped_id LONG,
-- Type of this interaction, which together with scoped_id uniquely identifies this
-- interaction. Also corresponds to a SQL table name containing more details specific
-- to this type of interaction.
type STRING,
-- Interaction name - e.g. 'PageLoad', 'Tap', etc. Interactions will have unique metrics
-- stored in other tables.
name STRING,
-- Timestamp of the CUI event.
ts TIMESTAMP,
-- Duration of the CUI event.
dur DURATION
) AS
SELECT
id AS scoped_id,
'chrome_page_loads' AS type,
'PageLoad' AS name,
navigation_start_ts AS ts,
coalesce(lcp, fcp) AS dur
FROM chrome_page_loads
UNION ALL
SELECT
id AS scoped_id,
'chrome_startups' AS type,
name,
startup_begin_ts AS ts,
CASE
WHEN first_visible_content_ts IS NOT NULL
THEN first_visible_content_ts - startup_begin_ts
ELSE 0
END AS dur
FROM chrome_startups
UNION ALL
SELECT
id AS scoped_id,
'chrome_web_content_interactions' AS type,
'InteractionToFirstPaint' AS name,
ts,
dur
FROM chrome_web_content_interactions
UNION ALL
SELECT
id AS scoped_id,
'chrome_scroll_interactions' AS type,
'Scroll' AS name,
ts,
dur
FROM chrome_scroll_interactions;
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