New issue
Advanced search Search tips
Note: Color blocks (like █ or █) mean that a user may not be available. Tooltip shows the reason.

Issue 809470 link

Starred by 2 users
Status: Fixed
Owner:
alexilin@chromium.org
Closed: May 2018
Cc:
█ xunji...@chromium.org
█ jwd@chromium.org
alexilin@chromium.org
█ kraynov@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

47.5% regression in system_health.common_desktop at 533275:533367

Project Member Reported by kraynov@chromium.org, Feb 6 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Feb 6 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=809470

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=961bd62d8155dfd608c42846919e79416e26dc9717e62bed68698b632b2d6864


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

chromium-rel-win10
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 6 2018 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/12ed7f31840000

Comment 5 by sullivan@chromium.org, Mar 4 2018 

Trying a wider range.
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Mar 4 2018

Cc: alexilin@chromium.org jwd@chromium.org xunji...@chromium.org
Owner: alexilin@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/15ea912c440000

Enable SpeculativePreconnect Field Trial Testing by alexilin@chromium.org
https://chromium.googlesource.com/chromium/src/+/8442e044284223377ccd75e4f1b519c5656d4d8d

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

Comment 8 by 42576172...@developer.gserviceaccount.com, Apr 24 2018 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/14abb149c40000

Comment 9 by alexilin@chromium.org, May 2 2018

Status: Fixed (was: Assigned)
The graph is not affected by disabling the SpeculativePreconnect field trial at 553955 that potentially caused regression. Closing this bug.
►

Sign in to add a comment