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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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8.1% regression in system_health.memory_mobile at 467308:467448

Project Member Reported by nzolghadr@chromium.org, May 1 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=717108

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0rPHvwoM


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

android-one
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_one_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/browse_news/browse_news_toi
  Change       : 8.87% | 30028419.0 -> 32692603.3333

Revision             Result                   N
chromium@467307      30028419 +- 767412       6      good
chromium@467378      30365778 +- 558641       6      good
chromium@467413      30337731 +- 319312       6      good
chromium@467414      30247614 +- 857881       6      good
chromium@467415      32628094 +- 739538       6      bad       <--
chromium@467416      32865654 +- 528962       6      bad
chromium@467418      32775351 +- 556086       6      bad
chromium@467422      32907319 +- 407289       6      bad
chromium@467431      32938250 +- 1215513      6      bad
chromium@467448      32692603 +- 1879644      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.news.toi system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980776863194635120

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5256562395840512


| 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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