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Issue metadata

Status: Duplicate
Merged: issue 711232
Owner: ----
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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7.3%-20.8% regression in system_health.memory_mobile at 464129:464225

Project Member Reported by alexclarke@chromium.org, Apr 19 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 19 2017

Mergedinto: 711232
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : nednguyen
  Commit : 41bda73617edc29dbca3eda9b97a7b33f665c393
  Date   : Wed Apr 12 19:15:53 2017
  Subject: [web-page-replay] Roll WPR to the latest commit

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_news/load_news_nytimes
  Change       : 35.28% | 14797994.6667 -> 20019370.6667

Revision                                 Result                  N
chromium@464128                          14797995 +- 157606      6      good
chromium@464153                          14765397 +- 106345      6      good
chromium@464156                          14810453 +- 116346      6      good
chromium@464156,catapult@41bda73617      20102144 +- 189227      6      bad       <--
chromium@464157                          20087467 +- 253847      6      bad
chromium@464158                          20115456 +- 178447      6      bad
chromium@464159                          19998720 +- 118537      6      bad
chromium@464165                          20018347 +- 254597      6      bad
chromium@464177                          20106069 +- 200581      6      bad
chromium@464225                          20019371 +- 276557      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.news.nytimes system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981888154074111472

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5890262104014848


| 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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