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Issue 797064 link

Starred by 1 user
Status: WontFix
Owner:
█ kbr@chromium.org
OOO until 2019-01-24
Closed: Jan 2018
Cc:
█ kbr@chromium.org
█ briander...@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression

Blocked on:
issue 794819


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38.8%-50.2% regression in thread_times.tough_scrolling_cases at 524765:524883

Project Member Reported by briander...@chromium.org, Dec 21 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Dec 21 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=797064

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=4412f1427ed8235cca938fdaf8dc2aa55a985754ac3131e16b75173eebb0cce8


Bot(s) for this bug's original alert(s):

chromium-rel-mac11-air
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 21 2017 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/14aec621040000

Comment 7 by sullivan@chromium.org, Jan 23 2018 

There are two regressions next to each other; bisect can't repro the first, kicking off some bisects on the second.
Project Member

Comment 8 by 42576172...@developer.gserviceaccount.com, Jan 23 2018 

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/14d5ed0c840000
Project Member

Comment 9 by 42576172...@developer.gserviceaccount.com, Jan 23 2018 

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/14c02ed4840000
Project Member

Comment 10 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

Cc: kbr@chromium.org
Owner: kbr@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/14d8a014840000

Blacklist accelerated 2D canvas and GPU raster on old macOS/Intel.
By kbr@chromium.org · Wed Dec 20 04:59:09 2017
chromium @ 0f82ef114f134c9861fe37a2892e6ee9b991f634

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

Comment 11 by kbr@chromium.org, Jan 23 2018

Blockedon: 794819
Status: WontFix (was: Assigned)
This is expected due to the needed fix for  Issue 794819  and the fact that this bot is still running 10.11.

We should be testing on current operating system versions, not obsolete ones.
►

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