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Issue 718807 link

Starred by 2 users

Issue metadata

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



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8.8%-6441.1% regression in v8.runtimestats.browsing_mobile at 466992:468531

Project Member Reported by verwa...@chromium.org, May 5 2017

Issue description

See the link to graphs below.
 
Cc: nedngu...@google.com
Owner: nedngu...@google.com

=== Auto-CCing suspected CL author nednguyen@google.com ===

Hi nednguyen@google.com, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : nednguyen
  Commit : bc8989ef1a06a456807e406fcb1a6d337b270845
  Date   : Tue Apr 25 14:12:43 2017
  Subject: Revert of Roll WPR to the lastest commit (patchset #2 id:20001 of https://codereview.chromium.org/2841533003/ )

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : V8 C++:duration_avg/browse_media/browse_media_facebook_photos
  Change       : 6734.52% | 41.8188333333 -> 2858.117

Revision                                 Result                  N
chromium@466991                          41.8188 +- 6.15482      6      good
chromium@466995                          42.4217 +- 8.49524      6      good
chromium@466997                          45.3512 +- 12.2152      6      good
chromium@466997,catapult@bc8989ef1a      2785.09 +- 114.864      6      bad       <--
chromium@466998                          2785.14 +- 153.256      6      bad
chromium@467005                          2772.97 +- 205.044      6      bad
chromium@467019                          2827.53 +- 139.693      6      bad
chromium@467046                          2858.12 +- 160.967      5      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.media.facebook.photos v8.runtimestats.browsing_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980436833309348560

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5802640425877504


| 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!
Status: WontFix (was: Untriaged)
That fixed the SSL breakage, so the regression is sorta expected.

Comment 5 by tebbi@chromium.org, May 12 2017

Cc: tebbi@google.com tebbi@chromium.org
 Issue 721278  has been merged into this issue.

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