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Issue metadata

Status: WontFix
Owner:
Closed: Jul 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression

Blocked on:
issue 713747
issue 716360
issue 716469



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162.9% regression in v8.runtimestats.browsing_mobile_classic at 460607:460670

Project Member Reported by ulan@google.com, Apr 3 2017

Issue description

See the link to graphs below.
 

Comment 1 by ulan@google.com, Apr 3 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=707698

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgnKCXmAkM


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

android-nexus5

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

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : v8-gc-full-mark-compactor_sum/browse_news/browse_news_hackernews

Revision             Result                  N
chromium@460606      162.192 +- 314.686      21      good
chromium@460670      156.816 +- 284.467      20      bad

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

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983351047751794480

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6360745828155392


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Apr 28 2017


=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : v8-gc-total_sum/browse_social/browse_social_facebook


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.facebook v8.runtimestats.browsing_mobile_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981174987319712640

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6076871688585216


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

Comment 6 by u...@chromium.org, Apr 28 2017

Blockedon: 716360
Blockedon: 716469
Project Member

Comment 9 by 42576172...@developer.gserviceaccount.com, Apr 29 2017


=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : v8-gc-total_sum/browse_social/browse_social_facebook


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.facebook v8.runtimestats.browsing_mobile_classic

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981078227389688752

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6076871688585216


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!
Project Member

Comment 11 by 42576172...@developer.gserviceaccount.com, Apr 30 2017


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

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : v8-gc-incremental-step_sum/browse_news/browse_news_nytimes

Revision             Result                  N
chromium@460544      1123.11 +- 741.615      21      good
chromium@460624      1078.54 +- 814.576      21      bad

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

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980856029989843632

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6076871688585216


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!
Blockedon: 713747
Blocking on crbug.com/713747 for busted android_webview_nexus6_aosp_perf_bisect.

Comment 13 by u...@chromium.org, May 12 2017

Labels: Performance-Sheriff-V8
Project Member

Comment 14 by sheriffbot@chromium.org, Jul 21 2017

Labels: Hotlist-Google
Project Member

Comment 16 by 42576172...@developer.gserviceaccount.com, Jul 26 2017


=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : v8-gc-total_sum/browse_social/browse_social_facebook
  Change       : 6.00% | 1015.92022222 -> 1060.073

Suspected Commit Range
  5 commits in range
  https://chromium.googlesource.com/chromium/src/+log/288d99c794cbf2548c1389c045bc965b36a3e9f7..bc288f4389ba798aa9c3ad2f593a2b008d0b1a6a


Revision             Result                  N
chromium@460581      1015.92 +- 107.592      9        good
chromium@460602      1035.32 +- 279.054      14       good
chromium@460608      1013.7 +- 134.409       14       good
chromium@460618      981.964 +- 137.079      6        good
chromium@460619      ---                     ---      build failure
chromium@460620      ---                     ---      build failure
chromium@460621      ---                     ---      build failure
chromium@460622      ---                     ---      build failure
chromium@460623      1060.07 +- 136.931      14       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.facebook v8.runtimestats.browsing_mobile_classic

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973171364145954912


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

Comment 18 by 42576172...@developer.gserviceaccount.com, Jul 26 2017


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

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile_classic
  Metric       : v8-gc-total_sum/browse_social/browse_social_facebook

Revision             Result                  N
chromium@460618      1040.06 +- 383.439      21      good
chromium@460623      1040.5 +- 321.491       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.facebook v8.runtimestats.browsing_mobile_classic

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8973008499929047680


For feedback, file a bug with component Speed>Bisection

Comment 19 by u...@chromium.org, Jul 27 2017

Status: WontFix (was: Assigned)
Not reproducible on bisect bot

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