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Issue 717639 link

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Issue metadata

Status: Duplicate
Merged: issue 716390
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.7% regression in system_health.memory_mobile at 467336:467478

Project Member Reported by nzolghadr@chromium.org, May 2 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=717639

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0o6arwoM


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

android-nexus7v2
Mergedinto: 716390
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : ben
  Commit : b932d5ad0c349295c9d10de144f9358370e57b5c
  Date   : Wed Apr 26 19:40:13 2017
  Subject: Implement Connector::ApplySpec() & use to enforce navigation:frame.

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/browse_media/browse_media_imgur
  Change       : 4.38% | 22250975.3333 -> 23224801.3333

Revision             Result                  N
chromium@467335      22250975 +- 292134      6      good
chromium@467407      22409989 +- 485668      6      good
chromium@467412      22240519 +- 715047      6      good
chromium@467414      22377539 +- 332100      6      good
chromium@467415      23178855 +- 273005      6      bad       <--
chromium@467416      23120901 +- 293338      6      bad
chromium@467425      23169919 +- 560089      6      bad
chromium@467443      23153436 +- 594558      6      bad
chromium@467478      23224801 +- 503562      6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

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.imgur system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980683676203646992

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5280678234554368


| 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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