New issue
Advanced search Search tips

Issue 701669 link

Starred by 1 user
Status: Duplicate
Merged: issue 701361
Owner: ----
Closed: Mar 2017
Cc:
bmeu...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

3.3%-19.6% regression in speedometer at 456306:456370

Project Member Reported by bmeurer@google.com, Mar 15 2017 
See the link to graphs below.

Comment 1 by bmeurer@google.com, Mar 15 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=701669

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1M2pmgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1LT99QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1PC-6QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglJmS7gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1L643QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtJKBtAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtMiMqAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtOHUrwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtMTH-gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1Jy8iwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1O2WrQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtN2dpgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1I3wkAgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtOay7QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1L7WkwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglPuGhQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1MqsrwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtOjUvwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtPeVrQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtMjP_QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1PXngQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglPnTpQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1MvOqQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1NfQvwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgtIyDogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1Nyj2AsM


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

android-one
android-webview-nexus5X
android-webview-nexus6
chromium-rel-mac-retina
chromium-rel-mac11-air
chromium-rel-mac11-pro
chromium-rel-win10
chromium-rel-win7-dual
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-intel
chromium-rel-win7-gpu-nvidia
chromium-rel-win7-x64-dual
chromium-rel-win8-dual
win-zenbook
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Mar 15 2017

Mergedinto: 701361
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : meade
  Commit : 3a001533b29c0fe28f2354285b2c2ac8d57d8ce6
  Date   : Mon Mar 13 05:26:20 2017
  Subject: Un-DCHECK-guard ThreadRestrictionVerifier for strings.

Bisect Details
  Configuration: winx64_zen_perf_bisect
  Benchmark    : speedometer
  Metric       : jQuery-TodoMVC/jQuery-TodoMVC
  Change       : 11.85% | 934.36425 -> 1045.05716667

Revision             Result                  N
chromium@456315      934.364 +- 22.1878      6      good
chromium@456321      933.154 +- 16.6716      6      good
chromium@456322      924.514 +- 25.5029      6      good
chromium@456323      1036.19 +- 24.3486      6      bad       <--
chromium@456324      1044.8 +- 85.7853       6      bad
chromium@456326      1043.12 +- 49.1068      6      bad
chromium@456336      1045.06 +- 67.5265      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests speedometer

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985077812708932112

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5849940183482368


| 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, Mar 15 2017 


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

Suspected Commit
  Author : meade
  Commit : 3a001533b29c0fe28f2354285b2c2ac8d57d8ce6
  Date   : Mon Mar 13 05:26:20 2017
  Subject: Un-DCHECK-guard ThreadRestrictionVerifier for strings.

Bisect Details
  Configuration: winx64_zen_perf_bisect
  Benchmark    : speedometer
  Metric       : jQuery-TodoMVC/jQuery-TodoMVC
  Change       : 12.37% | 933.272083333 -> 1048.69

Revision             Result                  N
chromium@456315      933.272 +- 17.7173      6      good
chromium@456321      941.03 +- 26.2437       6      good
chromium@456322      946.331 +- 78.8443      6      good
chromium@456323      1028.67 +- 22.2053      6      bad       <--
chromium@456324      1046.75 +- 64.5777      6      bad
chromium@456326      1039.33 +- 17.2774      6      bad
chromium@456336      1048.69 +- 64.3425      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests speedometer

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985077775264580160

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5868978162892800


| 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!
►

Sign in to add a comment