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Issue 701099 link

Starred by 2 users

Issue metadata

Status: Duplicate
Merged: issue 700364
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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17.7%-23.9% regression in memory.long_running_idle_gmail_tbmv2 at 455715:455742

Project Member Reported by hjd@chromium.org, Mar 13 2017

Issue description

See the link to graphs below.
 

Comment 1 by hjd@chromium.org, Mar 13 2017

Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 14 2017

Mergedinto: 700364
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Michael Hablich
  Commit : 7c3936c67a6361371d9a00d83e2c03ecc603ce76
  Date   : Thu Mar 09 08:05:42 2017
  Subject: Version 5.9.34.1 (Turn on I+TF)

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : memory.long_running_idle_gmail_tbmv2
  Metric       : v8-gc-total_avg/v8-gc-total_avg
  Change       : 17.99% | 0.903467447401 -> 1.06599774081

Revision                           Result                     N
chromium@455714                    0.903467 +- 0.0978333      9       good
chromium@455718                    0.883381 +- 0.0884886      6       good
chromium@455719                    0.921692 +- 0.094524       9       good
chromium@455719,v8@7c3936c67a      1.10089 +- 0.409902        14      bad       <--
chromium@455719,v8@fbffc377e3      1.09015 +- 0.125715        9       bad
chromium@455720                    1.07591 +- 0.120888        6       bad
chromium@455721                    1.06168 +- 0.132559        6       bad
chromium@455728                    1.03179 +- 0.147115        6       bad
chromium@455742                    1.066 +- 0.152003          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 memory.long_running_idle_gmail_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985202049784872496

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5044768637190144


| 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!

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