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LoadLine 2 queries for the Perfetto SQL library
Adds LoadLine 2 queries to the chrome stdlib, so that LoadLine 2 breakdown and score are available in Perfetto. PERFETTO_TESTS=`autoninja -C out/Default perfetto_diff_tests && out/Default/bin/run_perfetto_diff_tests` Change-Id: Ic425dfa5ad3e5fd55b852f65a618b95f095802a8 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7159093 Reviewed-by: Victor Vianna <[email protected]> Commit-Queue: Mikhail Khokhlov <[email protected]> Cr-Commit-Position: refs/heads/main@{#1550509} NOKEYCHECK=True GitOrigin-RevId: 814f18098f603f316b31dfbad68690dda40887bc
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‎tracing/stdlib/chrome/loadline_2.sql‎

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-- Copyright 2025 The Chromium Authors
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-- Use of this source code is governed by a BSD-style license that can be
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-- found in the LICENSE file.
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INCLUDE PERFETTO MODULE slices.with_context;
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-- Gets the presentation time of the first frame committed after ts
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-- in the renderer process with pid.
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CREATE PERFETTO FUNCTION _chrome_get_next_presentation_time_by_pid(
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ts INT, pid INT)
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RETURNS INT
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AS
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SELECT MIN(a.ts + a.dur) AS ts
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FROM process_slice s, ancestor_slice(s.id) a
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WHERE
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s.name = 'Commit'
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AND a.name = 'PipelineReporter'
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AND s.depth - 1 = a.depth
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AND s.ts > $ts
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AND s.pid = $pid
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-- TODO(crbug.com/409484302): Once we are no longer interested in Chrome
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-- versions <=M136, leave only 'frame_reporter'.
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AND COALESCE(
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EXTRACT_ARG(a.arg_set_id, 'frame_reporter.state'),
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EXTRACT_ARG(a.arg_set_id, 'chrome_frame_reporter.state')
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) = 'STATE_PRESENTED_ALL';
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-- User timing trace events can be emitted by either performance.mark() or
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-- performance.measure(). The former appear on the CrRendererMain thread track,
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-- the latter on their own custom track inside the Renderer process.
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-- This query looks for the event track info in both thread_track and
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-- process_track to support both cases.
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CREATE PERFETTO VIEW _chrome_loadline2_marks_with_pid (
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-- Mark timestamp
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ts TIMESTAMP,
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-- Name of the page
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page STRING,
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-- Name of the mark
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mark STRING,
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-- PID of the Renderer process
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pid LONG
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) AS
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SELECT
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ts,
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STR_SPLIT(s.name, '/', 1) AS page,
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STR_SPLIT(s.name, '/', 2) AS mark,
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pid
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FROM slice s
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LEFT JOIN thread_track tt ON s.track_id = tt.id
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LEFT JOIN process_track pt ON s.track_id = pt.id
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LEFT JOIN thread t ON tt.utid = t.utid
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JOIN process p ON p.upid = COALESCE(t.upid, pt.upid)
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WHERE s.category = 'blink.user_timing' AND s.name GLOB 'LoadLine2/*/*';
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-- Story start for each page
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CREATE PERFETTO TABLE _chrome_loadline2_story_start (
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-- Name of the page
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page STRING,
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-- Story start timestamp
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story_start TIMESTAMP
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) AS
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SELECT
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page,
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ts AS story_start
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FROM _chrome_loadline2_marks_with_pid
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WHERE mark = 'start';
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-- Renderer process pid for each page
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CREATE PERFETTO TABLE _chrome_loadline2_story_pid (
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-- Name of the page
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page STRING,
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-- PID of the Renderer process
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pid LONG
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) AS
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SELECT
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page,
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pid
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FROM _chrome_loadline2_marks_with_pid
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WHERE mark = 'finish';
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-- Story start and Renderer pid for each page
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CREATE PERFETTO TABLE _chrome_loadline2_story_start_with_pid (
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-- Name of the page
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page STRING,
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-- Story start timestamp
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story_start TIMESTAMP,
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-- PID of the Renderer process
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pid LONG
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) AS
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SELECT
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page,
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story_start,
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pid
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FROM _chrome_loadline2_story_start JOIN _chrome_loadline2_story_pid USING (page);
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-- Start timestamp for the first network request for each page
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CREATE PERFETTO TABLE _chrome_loadline2_start_request (
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-- Name of the page
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page STRING,
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-- Start request timestamp
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start_request TIMESTAMP
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) AS
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SELECT
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page,
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MIN(ts) AS start_request
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FROM slice, _chrome_loadline2_story_start_with_pid
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WHERE
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name = 'WillStartRequest'
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AND ts >= story_start
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GROUP BY page;
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-- Finish timestamp for the first network request for each page
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CREATE PERFETTO TABLE _chrome_loadline2_end_request (
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-- Name of the page
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page STRING,
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-- End request timestamp
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end_request TIMESTAMP
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) AS
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SELECT
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page,
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MIN(ts) AS end_request
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FROM slice, _chrome_loadline2_story_start_with_pid
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WHERE
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name = 'CommitSentToFirstSubresourceLoadStart'
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AND ts >= story_start
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GROUP BY page;
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-- Renderer ready for each page
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CREATE PERFETTO TABLE _chrome_loadline2_renderer_ready (
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-- Name of the page
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page STRING,
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-- Renderer ready timestamp
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renderer_ready TIMESTAMP
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) AS
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SELECT
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page,
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MIN(ts) AS renderer_ready
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FROM thread_slice
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JOIN _chrome_loadline2_story_start_with_pid USING (pid)
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WHERE
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name = 'DocumentLoader::CommitNavigation'
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AND ts >= story_start
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GROUP BY page;
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-- Visual mark for each page
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CREATE PERFETTO TABLE _chrome_loadline2_visual_mark (
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-- Name of the page
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page STRING,
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-- Visual mark timestamp
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visual_mark TIMESTAMP,
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-- PID of the Renderer process
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pid LONG
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) AS
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SELECT
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page,
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ts AS visual_mark,
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pid
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FROM _chrome_loadline2_marks_with_pid
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WHERE mark = 'visual';
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-- Timestamp of the second rAF after visual mark for each page
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CREATE PERFETTO TABLE _chrome_loadline2_visual_raf (
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-- Name of the page
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page STRING,
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-- Visual raf timestamp
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visual_raf TIMESTAMP
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) AS
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SELECT
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page,
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ts AS visual_raf
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FROM _chrome_loadline2_marks_with_pid
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WHERE mark = 'visual_raf';
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-- Visual presentation for each page
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CREATE PERFETTO TABLE _chrome_loadline2_visual_presentation (
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-- Name of the page
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page STRING,
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-- Visual presentation timestamp
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visual_presentation TIMESTAMP
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) AS
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SELECT
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page,
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_chrome_get_next_presentation_time_by_pid(visual_mark, pid) AS visual_presentation
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FROM _chrome_loadline2_visual_mark;
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-- Interactive mark for each page
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CREATE PERFETTO TABLE _chrome_loadline2_interactive_mark (
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-- Name of the page
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page STRING,
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-- Interactive mark timestamp
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interactive_mark TIMESTAMP,
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-- PID of the Renderer process
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pid LONG
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) AS
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SELECT
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page,
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ts AS interactive_mark,
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pid
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FROM _chrome_loadline2_marks_with_pid
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WHERE mark = 'interactive';
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-- Timestamp of the second rAF after interactive mark for each page
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CREATE PERFETTO TABLE _chrome_loadline2_interactive_raf (
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-- Name of the page
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page STRING,
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-- Interactive raf timestamp
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interactive_raf TIMESTAMP
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) AS
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SELECT
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page,
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ts AS interactive_raf
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FROM _chrome_loadline2_marks_with_pid
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WHERE mark = 'interactive_raf';
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-- Interactive presentation for each page
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CREATE PERFETTO TABLE _chrome_loadline2_interactive_presentation (
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-- Name of the page
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page STRING,
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-- Interactive presentation timestamp
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interactive_presentation TIMESTAMP
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) AS
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SELECT
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page,
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_chrome_get_next_presentation_time_by_pid(interactive_mark, pid) AS interactive_presentation
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FROM _chrome_loadline2_interactive_mark;
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-- Story finish for each page
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CREATE PERFETTO TABLE _chrome_loadline2_story_finish (
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-- Name of the page
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page STRING,
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-- Story finish timestamp
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story_finish TIMESTAMP
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) AS
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SELECT
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page,
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ts AS story_finish
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FROM _chrome_loadline2_marks_with_pid
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WHERE mark = 'finish';
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-- All LoadLine2 stages per page
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CREATE PERFETTO TABLE chrome_loadline2_stages (
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-- Name of the page
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page STRING,
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-- Story start timestamp
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story_start TIMESTAMP,
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-- Start request timestamp
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start_request TIMESTAMP,
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-- End request timestamp
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end_request TIMESTAMP,
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-- Renderer ready timestamp
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renderer_ready TIMESTAMP,
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-- Visual mark timestamp
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visual_mark TIMESTAMP,
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-- Visual rAF timestamp
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visual_raf TIMESTAMP,
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-- Visual presentation timestamp
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visual_presentation TIMESTAMP,
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-- Interactive mark timestamp
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interactive_mark TIMESTAMP,
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-- Interactive rAF timestamp
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interactive_raf TIMESTAMP,
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-- Interactive presentation timestamp
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interactive_presentation TIMESTAMP,
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-- Story finish timestamp
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story_finish TIMESTAMP
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) AS
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SELECT
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page,
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story_start,
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start_request,
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end_request,
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renderer_ready,
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visual_mark,
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visual_raf,
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visual_presentation,
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interactive_mark,
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interactive_raf,
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interactive_presentation,
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story_finish
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FROM _chrome_loadline2_story_start_with_pid
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LEFT JOIN _chrome_loadline2_start_request USING (page)
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LEFT JOIN _chrome_loadline2_end_request USING (page)
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LEFT JOIN _chrome_loadline2_renderer_ready USING (page)
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LEFT JOIN _chrome_loadline2_visual_mark USING (page)
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LEFT JOIN _chrome_loadline2_visual_raf USING (page)
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LEFT JOIN _chrome_loadline2_visual_presentation USING (page)
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LEFT JOIN _chrome_loadline2_interactive_mark USING (page)
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LEFT JOIN _chrome_loadline2_interactive_raf USING (page)
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LEFT JOIN _chrome_loadline2_interactive_presentation USING (page)
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LEFT JOIN _chrome_loadline2_story_finish USING (page);

‎tracing/stdlib/chrome/perfetto_sql_files.gni‎

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"graphics_pipeline.sql",
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"histograms.sql",
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"interactions.sql",
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"loadline_2.sql",
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"metadata.sql",
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"input.sql",
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"page_loads.sql",

‎tracing/test/data_sha256/loadline2_phone_perfetto_trace.pb.gz.sha256‎

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446e12518282e078360cb1ab55ebb3e3788c3863b269601d2392c9e5d058a92c

‎tracing/test/trace_processor/diff_tests/chrome/tests.py‎

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2
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"""))
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def test_loadline_2_stages(self):
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return DiffTestBlueprint(
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trace=DataPath('loadline2_phone_perfetto_trace.pb.gz'),
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query="""
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INCLUDE PERFETTO MODULE chrome.loadline_2;
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SELECT * FROM chrome_loadline2_stages;
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""",
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out=Csv("""
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"page","story_start","start_request","end_request","renderer_ready","visual_mark","visual_raf","visual_presentation","interactive_mark","interactive_raf","interactive_presentation","story_finish"
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"amazon_product",92168959184844,92168964292547,92168971170844,92168972399547,92169083553844,92169188454844,92169184256844,92169685753844,92169695454844,92169733497844,92169878447844
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"cnn_article",92171089712844,92171099378547,92171106636844,92171107875858,92171191827844,92171329926844,92171248159844,92171413627844,92171450327844,92171481210844,92171558926844
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"wikipedia_article",92172730780844,92172739162547,92172746708844,92172747906244,92172801226844,92172843126844,92172846114844,92172826526844,92172877126844,92172879408844,92173054810844
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"globo_homepage",92174078990844,92174091306547,92174101735844,92174091680202,92174166369844,92174220769844,92174277596844,92174638068844,92174679269844,92174710386844,92175115291844
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"google_search_result",92176269047844,92176276990547,92176286094844,92176276922481,92176326400844,92176365000844,92176391496844,92176571700844,92176587400844,92176607896844,92176764223844
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"""))
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def test_chrome_graphics_pipeline_surface_frame_steps(self):
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return DiffTestBlueprint(
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trace=DataPath('scroll_m131.pftrace'),

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