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Issue 818689 link

Starred by 1 user
Status: Untriaged
Owner: ----
Cc:
sunn...@chromium.org
samans@chromium.org
█ fsam...@chromium.org
vmi...@chromium.org
boliu@chromium.org
dtapu...@chromium.org
piman@chromium.org
alemate@chromium.org
█ halliwell@chromium.org
wzang@chromium.org
mek@chromium.org
rmcilroy@chromium.org
dmu...@chromium.org
zmo@chromium.org
sanfin@chromium.org
EstimatedDays: ----
NextAction: 2019-07-09
OS: ----
Pri: 3
Type: Bug-Regression



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1.3%-3.5% regression in smoothness.gpu_rasterization.top_25_smooth at 539608:539696

Project Member Reported by rmcilroy@chromium.org, Mar 5 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Mar 5 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=818689

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=10324337285ebda232a653dd56181a330ef8df714603097ca1ff25c2bd962617


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

android-webview-nexus5X

Comment 4 by sullivan@chromium.org, Mar 16 2018 

Trying another bisect on a wider range.
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Mar 26 2018 

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/14c34c7e440000
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Apr 3 2018

Cc: alemate@chromium.org wzang@chromium.org dmu...@chromium.org sanfin@chromium.org boliu@chromium.org piman@chromium.org zmo@chromium.org halliwell@chromium.org samans@chromium.org fsam...@chromium.org sunn...@chromium.org mek@chromium.org dtapu...@chromium.org
Owner: mek@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 6 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/14943902440000

gpu: Luminance/alpha emulation for TexStorage by sunnyps@chromium.org
https://chromium.googlesource.com/chromium/src/+/17c1754e30f39a23a5819fb533a5bf0f8e5efe60

cros: Add padding to sync consent next button by wzang@chromium.org
https://chromium.googlesource.com/chromium/src/+/6c5f88000d518a9dd8a13825ca93c08d6802a032

Reland "Enable mojo based synchronous compositor" by dtapuska@chromium.org
https://chromium.googlesource.com/chromium/src/+/837639b937d3d1a084c246258ad1f460e4f0f68e

Surface synchronization: Improve guttering by fsamuel@chromium.org
https://chromium.googlesource.com/chromium/src/+/71bfd8eeb2c77504fb944b9867217453fb17229c

[Chromecast] Remove unused parameter in metrics client. by sanfin@chromium.org
https://chromium.googlesource.com/chromium/src/+/7c18b192beca7eaecb06320bdd254eb3a93046a9

[Blobs] Grow files when creating a blob from stream. by mek@chromium.org
https://chromium.googlesource.com/chromium/src/+/70f80afddade04adeceebc0120db3ba442db1db0

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

Comment 8 by mek@chromium.org, Apr 3 2018

Owner: ----
Status: Untriaged (was: Assigned)
Not me, my change only changed code that (at the time) wasn't used anywhere in chrome.
Project Member

Comment 9 by 42576172...@developer.gserviceaccount.com, Apr 11 2018 

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/1590d23f440000
Project Member

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


Previous job on this bug failed due to https://github.com/catapult-project/catapult/issues/4393, retrying now that it's fixed.
Project Member

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

📍 Pinpoint job started.
https://chromeperf.appspot.com/job/1492f17ac40000
Project Member

Comment 13 by 42576172...@developer.gserviceaccount.com, May 5 2018 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/149da087c40000

Comment 15 by vmi...@chromium.org, May 21 2018

Cc: vmi...@chromium.org
Project Member

Comment 16 by 42576172...@developer.gserviceaccount.com, May 21 2018 

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/14ff4222240000

All of the attempts failed. See the individual attempts for details on each error.

Comment 17 by sullivan@google.com, May 25 2018 

The pinpoint error we're seeing in #14 is the test failing to produce any values. Can any of the smoothness owners advice on the best next step for this bug?

Comment 18 by benhenry@google.com, Jan 10

Labels: Pri-3
NextAction: 2019-07-09
Downgrading P2s that haven't been modified in more than 6 months, which have no component or owner.
►

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