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Issue 761728 link

Starred by 1 user
Status: Duplicate
Merged: issue 760567
Owner: ----
Closed: Sep 2017
Cc:
█ petermarshall@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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34.8%-36.4% regression in v8.runtimestats.browsing_mobile at 497695:497720

Project Member Reported by petermarshall@chromium.org, Sep 4 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Sep 4 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=761728

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=0dfac517998e389fdbb77b31821b022137791cc0d7c32ce416caaf0604010baa


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

android-webview-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Sep 4 2017 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : v8-gc-phantom-handle-callback_sum/browse_social/browse_social_instagram

Revision             Result                  N
chromium@497694      4.50576 +- 1.7408       21      good
chromium@497720      4.47771 +- 1.68937      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.social.instagram v8.runtimestats.browsing_mobile

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969400116166995216


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Sep 5 2017 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : v8-gc-phantom-handle-callback_avg/browse_social/browse_social_instagram

Revision             Result                     N
chromium@497694      0.144541 +- 0.033398       21      good
chromium@497720      0.143819 +- 0.0471773      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.social.instagram v8.runtimestats.browsing_mobile

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969377383980171712


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Sep 5 2017

Mergedinto: 760567
Status: Duplicate (was: Untriaged)

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Dave Tapuska
  Commit : f238a1a8f2f73d226bdb38394a6e085a59cf0e41
  Date   : Mon Aug 28 21:24:39 2017
  Subject: Move Input Injection from Chrome IPC to mojo.

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : v8-gc-phantom-handle-callback_sum/browse_social/browse_social_instagram
  Change       : 35.28% | 4.60933333333 -> 6.2355

Revision             Result                   N
chromium@497682      4.60933 +- 0.947521      6      good
chromium@497859      4.51667 +- 0.359443      6      good
chromium@497871      4.38417 +- 0.531794      6      good
chromium@497877      4.63283 +- 0.940182      6      good
chromium@497879      4.50083 +- 0.719539      6      good
chromium@497880      5.52083 +- 0.65253       6      bad       <--
chromium@497882      5.8555 +- 0.511081       6      bad
chromium@497904      5.3565 +- 1.31413        6      bad
chromium@497948      5.9235 +- 2.10552        6      bad
chromium@498036      6.2355 +- 1.38947        6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.social.instagram v8.runtimestats.browsing_mobile

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969377366055668496


For feedback, file a bug with component Speed>Bisection
►

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