New issue
Advanced search Search tips

Issue 727635 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 727513
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

4.3% regression in system_health.memory_mobile at 474980:475202

Project Member Reported by toyoshim@chromium.org, May 30 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=727635

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghtT0uQsM


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

android-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 30 2017

Mergedinto: 727513
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : eseckler
  Commit : e356c64f253923983248656d304d8aa471aad5f0
  Date   : Fri May 26 12:59:36 2017
  Subject: [cc] Plumb BeginFrameAcks through SurfaceManager to DisplayScheduler.

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:java_heap:proportional_resident_size_avg/load_games/load_games_spychase
  Change       : 2.85% | 19463736.8889 -> 20035925.3333

Revision             Result                   N
chromium@474979      19463737 +- 426393       9      good
chromium@474986      19582521 +- 344281       9      good
chromium@474988      19480917 +- 505822       6      good
chromium@474989      20127061 +- 255605       6      bad       <--
chromium@474990      20242773 +- 205708       6      bad
chromium@474993      19959353 +- 1503228      9      bad
chromium@475007      20073131 +- 206440       6      bad
chromium@475035      20133888 +- 310649       6      bad
chromium@475091      19842162 +- 1560063      9      bad
chromium@475202      20035925 +- 295827       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=load.games.spychase system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978177289672016752

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5208018813190144


| 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