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Issue 712402 link

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Issue metadata

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



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1.2%-346.5% regression in smoothness.sync_scroll.key_mobile_sites_smooth at 460330:464322

Project Member Reported by benhenry@google.com, Apr 17 2017

Issue description

Graphs coming.
 

Comment 1 by benhenry@google.com, Apr 17 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=712402

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggoPh-QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggqaD_AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgwvTDtwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggsyi4QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggoaj6goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggor1jAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_I_X1wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggvbF_AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgwvbzvgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgwsr5qAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggrvYpwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgwsr5qAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_Nv31QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggqOfuAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgwszSggsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggrG9qwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggp_Z-goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggorh5QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggtWbtgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_L_CgQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggt2glggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_Nv3tQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_Nv3tQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggorh5QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggs7uuQsM


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

android-nexus5
android-nexus5X
android-one
android-webview-nexus5X
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 18 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_one_perf_bisect
  Benchmark    : smoothness.sync_scroll.key_mobile_sites_smooth
  Metric       : first_gesture_scroll_update_latency/http___nytimes.com_
  Change       : 360.68% | 48.902 -> 225.281666667

Suspected Commit Range
  3 commits in range
  https://chromium.googlesource.com/chromium/src/+log/965a47b7737c6f15238447d8d8fb7105183acc8a..c82235d1423ffd7e44fd032ede77c18f93a506e5


Revision             Result                  N
chromium@460340      48.902 +- 17.5886       6        good
chromium@460836      140.484 +- 322.231      14       good
chromium@461084      157.659 +- 302.996      14       good
chromium@461145      181.627 +- 306.449      21       good
chromium@461146      ---                     ---      build failure
chromium@461147      ---                     ---      build failure
chromium@461148      214.131 +- 274.991      21       bad
chromium@461150      233.059 +- 47.4508      14       bad
chromium@461153      231.821 +- 20.9734      6        bad
chromium@461159      228.06 +- 13.2748       9        bad
chromium@461184      219.51 +- 218.311       14       bad
chromium@461208      222.433 +- 38.0053      14       bad
chromium@461331      223.838 +- 46.0941      14       bad
chromium@462322      225.493 +- 20.4828      6        bad
chromium@464304      225.282 +- 24.2187      6        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=http...nytimes.com. smoothness.sync_scroll.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982025475979296880

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5263941317427200


| 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 4 by sheriffbot@chromium.org, Jul 19 2017

Labels: Hotlist-Google
Status: WontFix (was: Untriaged)
This alert was found before M-60 branched. Closing as WontFix as this is believed to either be invalid or non-reproducible. 

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