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Issue 903191 link

Starred by 1 user
Status: Untriaged
Owner: ----
Cc:
isherman@chromium.org
█ alexclarke@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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31.4% regression in loading.mobile at 605202:605206

Project Member Reported by alexclarke@chromium.org, Nov 8 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Nov 8 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=903191

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=487ae6a14c3511e28428204288fe140021cf0ae6c518302bc294732c04a9301b


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

Android Nexus5X WebView Perf

loading.mobile - Benchmark documentation link:
  https://bit.ly/loading-benchmarks
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Nov 8 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/16bfe399e40000
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Nov 10

Cc: isherman@chromium.org
Owner: isherman@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/12b6c6cfe40000

Clean up the Java method name for recording a sparse histogram by isherman@chromium.org
https://chromium.googlesource.com/chromium/src/+/9dae03c6b8e1255ef565d738296e73cf4325a6ff
timeToFirstContentfulPaint: 6.68e+04 → No values

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

Benchmark documentation link:
  https://bit.ly/loading-benchmarks

Comment 6 by isherman@google.com, Nov 13

Owner: alexclarke@chromium.org
The bisect landed on a renaming change, which seems tremendously unlikely to have had any meaningful performance impact.

Comment 7 by alexclarke@chromium.org, Nov 13

Owner: ----
The graph is fairly noisy, might have been a bad bisect, lets try again.
Project Member

Comment 9 by 42576172...@developer.gserviceaccount.com, Nov 13 

📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/170f034be40000

Clean up the Java method name for recording a sparse histogram by isherman@chromium.org
https://chromium.googlesource.com/chromium/src/+/9dae03c6b8e1255ef565d738296e73cf4325a6ff
timeToFirstContentfulPaint: 6.673e+04 → No values

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

Benchmark documentation link:
  https://bit.ly/loading-benchmarks

Comment 10 by benhenry@google.com, Jan 11

Status: Untriaged (was: Assigned)
Assigned, but no owner or component? Please find a component and/or owner
►

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