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Issue 808651 link

Starred by 1 user
Status: Assigned
Owner:
altimin@chromium.org
Cc:
holte@google.com
npm@chromium.org
dtapu...@chromium.org
altimin@chromium.org
gayane@chromium.org
█ rkaplow@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression

Blocked on:
issue 846317


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225.3%-280.2% regression in loading.mobile at 532892:533108

Project Member Reported by npm@chromium.org, Feb 2 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Feb 2 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=808651

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=0ec156e78ae5feb764480541536ac3311aab9edaea30278387aa7620a67bf6ba


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

android-nexus5
android-nexus6
android-nexus7v2
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 9 2018

Cc: holte@google.com rkaplow@chromium.org dtapu...@chromium.org altimin@chromium.org gayane@chromium.org
Owner: holte@google.com
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/159eb49e840000

[scheduler] Experiment to always treat input events as high-priority. by altimin@chromium.org
chromium @ ef42564665d915f2d2294d0bfa3a9ab5632c9777

Remove unused UMAUploadScheduler params. by holte@google.com
chromium @ a2c0263a67cc17a24bd38312d1f5ada95c818731

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

Comment 4 by holte@google.com, Feb 13 2018

Owner: altimin@chromium.org
The "Remove unused UMAUploadScheduler params." is a no-op CL, so it can't cause a regression.  Over to altimin@ for the other CL.

Comment 5 by npm@chromium.org, Mar 28 2018 

Ping - has this performance regression been looked at?

Comment 6 by altimin@chromium.org, May 24 2018

Blockedon: 846317
Seems that something strange is happening with the metric.
►

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