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Issue 811327 link

Starred by 1 user
Status: WontFix
Owner:
wangxianzhu@chromium.org
Closed: Feb 2018
Cc:
samans@chromium.org
█ fsam...@chromium.org
wangxianzhu@chromium.org
sullivan@chromium.org
chrishtr@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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4.9%-7.5% regression in rasterize_and_record_micro.top_25 at 534836:534968

Project Member Reported by sullivan@chromium.org, Feb 12 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Feb 12 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=811327

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=35866a285b52ac478e1951e89e22f3d56033b85c049e6243102a4fc1d4c8d300


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

android-nexus6
android-webview-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 13 2018 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/14b0e035840000
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Feb 14 2018

Cc: fsam...@chromium.org chrishtr@chromium.org wangxianzhu@chromium.org samans@chromium.org
Owner: wangxianzhu@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/11cef85d840000

Surface synchronization: Measure deadlines in wall time instead of BeginFrames by fsamuel@chromium.org
https://chromium.googlesource.com/chromium/src/+/6de28ba11ef3d94306472ff46525ee53e8e55adc

[SPv175] Don't paint GraphicsLayer if the containing frame is throttled by wangxianzhu@chromium.org
https://chromium.googlesource.com/chromium/src/+/6c2a47de914487a6ddce59788f8e2f2f26cc53a4

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

Comment 9 by wangxianzhu@chromium.org, Feb 15 2018

Status: WontFix (was: Assigned)
The CL added a required check for throttling status, which may add a small overhead during painting. It's acceptable that this only caused small regression of one page in the top 25 sites.
Project Member

Comment 10 by 42576172...@developer.gserviceaccount.com, Feb 15 2018 

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/12d498bd840000
Project Member

Comment 11 by 42576172...@developer.gserviceaccount.com, Feb 15 2018 

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/15972ff5840000
Project Member

Comment 12 by 42576172...@developer.gserviceaccount.com, Feb 15 2018 

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/14da4ae3840000
►

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