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Maniphest T318468

Investigate long CPU long tasks on WebPageReplay
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Peter
Authored By
Peter
Sep 24 2022, 9:49 AM
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Referenced Files
F35546889: Screenshot 2022-10-04 at 15.58.06.png
Oct 4 2022, 7:59 PM
F35546887: Screenshot 2022-10-04 at 15.57.53.png
Oct 4 2022, 7:59 PM
F35534539: webpagereplay.json.gz
Sep 26 2022, 10:56 AM
F35534538: en.m.wikipedia.org_wiki_Barack_Obama-chrome-2022-09-26083050-timeline.json.gz
Sep 26 2022, 10:56 AM
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Aklapper
Peter

Description

For the tests on BitBar the CPU Long Tasks are +5 seconds that it much longer than on the other tests so something must be going on (wrong). I pushed a config change so we can Chrome dev tools log and hope that can show me what is broken,

Event Timeline

Peter created this task.Sep 24 2022, 9:49 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptSep 24 2022, 9:49 AM
Peter added a comment.Sep 26 2022, 10:56 AM

We run on different phones (different screen sizes) so its hard to say. I'm adding the trace logs for later and gonna do some one off testing on the Samsung phone without WebPageReplay so I can compare tests on the same phone.

en.m.wikipedia.org_wiki_Barack_Obama-chrome-2022-09-26083050-timeline.json.gz676 KBDownload

webpagereplay.json.gz728 KBDownload

Peter moved this task from Inbox, needs triage to Doing: Prio Interrupt on the Performance-Team board.Sep 26 2022, 11:20 AM
Peter added a comment.Oct 4 2022, 7:59 PM

We have the same when we test en.m on emulated mobile. This is without WebPageReplay:

Screenshot 2022-10-04 at 15.57.53.png (338×1 px, 275 KB)

And this is with WebPageReplay:

Screenshot 2022-10-04 at 15.58.06.png (308×1 px, 267 KB)

What's good about it is that its not an Android issue.

Peter added a comment.Oct 18 2022, 7:02 AM

I would say this is not a specific Android problem so lets move it out of BitBar.

Peter removed a parent task: T311986: Setup test on BitBar.Oct 18 2022, 7:02 AM
Peter moved this task from Doing: Prio Interrupt to Backlog: Maintenance, non-prioritized on the Performance-Team board.Oct 18 2022, 5:58 PM
Peter closed this task as Resolved.Apr 12 2023, 2:41 PM

This has been fixed when we moved to the bare metal server.

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