New issue
Advanced search Search tips

Issue 737498 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 732294
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

1.2%-6.5% regression in system_health.memory_mobile at 478081:478217

Project Member Reported by primiano@chromium.org, Jun 28 2017

Issue description

Splitting the java_heap regression from  Issue 732294 
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 28 2017

Mergedinto: 732294
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Sam McNally
  Commit : cd0c21dfb32b6235c5c4bed740dac090b4e25bae
  Date   : Fri Jun 09 01:31:36 2017
  Subject: Enable PrefService by default.

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/browse_tools/browse_tools_maps
  Change       : 6.39% | 22258346.6667 -> 23681365.3333

Revision             Result                  N
chromium@478080      22258347 +- 439339      6      good
chromium@478149      22332928 +- 314652      6      good
chromium@478154      22209877 +- 317624      6      good
chromium@478156      22279168 +- 164326      6      good
chromium@478157      23747925 +- 404576      6      bad       <--
chromium@478158      23714475 +- 283874      6      bad
chromium@478166      23682048 +- 443239      6      bad
chromium@478183      23607296 +- 372801      6      bad
chromium@478217      23681365 +- 453348      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.tools.maps system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8975553099289440576

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5068077345013760


| 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