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Issue 718036 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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3.8% regression in system_health.memory_mobile at 467404:467753

Project Member Reported by mustaq@chromium.org, May 3 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=718036

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgspatjwgM


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

android-nexus6
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_nexus6_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/browse_news/browse_news_cnn
  Change       : 3.57% | 47439653.3333 -> 49131127.3333

Revision             Result                   N
chromium@467403      47439653 +- 1600792      6      good
chromium@467414      47692299 +- 755198       6      good
chromium@467415      49116031 +- 2298929      9      bad       <--
chromium@467416      49774331 +- 2244829      6      bad
chromium@467417      49490848 +- 1579033      6      bad
chromium@467420      49205984 +- 1248877      6      bad
chromium@467425      49128542 +- 2682905      9      bad
chromium@467447      49132291 +- 1078397      6      bad
chromium@467491      49006238 +- 2989366      9      bad
chromium@467578      49757918 +- 1381874      6      bad
chromium@467753      49131127 +- 769879       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.cnn system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980604358016757328

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5522286116864000


| 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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