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Issue 694626 link

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Issue metadata

Status: Duplicate
Merged: issue 693455
Owner: ----
Closed: Feb 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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17.1% regression in system_health.memory_mobile at 450762:450818

Project Member Reported by rsch...@chromium.org, Feb 21 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=694626

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghMzR5AkM


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

android-webview-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 22 2017

Mergedinto: 693455
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : paulmiller
  Commit : 635a45202f8cdaef30cfa4c5d4b602660e81395e
  Date   : Wed Feb 15 19:50:15 2017
  Subject: WebView: prepare to depend on individual GMS services

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_os:system_memory:java_heap:proportional_resident_size_avg/load_news/load_news_washingtonpost
  Change       : 3.79% | 7911765.33333 -> 7611733.33333

Revision             Result                  N
chromium@450761      7911765 +- 93791.5      6      good
chromium@450776      7927808 +- 75568.1      6      good
chromium@450778      8134315 +- 112460       6      good
chromium@450779      8093013 +- 55818.2      6      good
chromium@450780      7800832 +- 137407       6      bad       <--
chromium@450783      7775232 +- 152792       6      bad
chromium@450790      7629141 +- 157088       6      bad
chromium@450818      7611733 +- 130219       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-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.news.washingtonpost system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8987028975860735904

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5868924081537024


| 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!
Labels: Performance-Memory
Labels: -Performance-Memory

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