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Issue 732702 link

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Issue metadata

Status: Duplicate
Merged: issue 732701
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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7.1% regression in memory.top_10_mobile at 478719:478752

Project Member Reported by alexclarke@chromium.org, Jun 13 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=732702

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1sbf6AoM


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

android-webview-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 14 2017

Mergedinto: 732701
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Marijn Kruisselbrink
  Commit : dda8780efac5966b275b8b7beeabe951b9d9c133
  Date   : Mon Jun 12 19:42:06 2017
  Subject: Implement retry behavior for several leveldb env methods in mojo env.

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:webview:all_processes:reported_by_os:system_memory:java_heap:proportional_resident_size_avg/foreground/https_www_google_co_uk_hl_en_q_science
  Change       : 9.07% | 6592170.66667 -> 7190357.33333

Revision             Result                 N
chromium@478718      6592171 +- 291661      6      good
chromium@478719      6958080 +- 173465      6      good
chromium@478720      7402155 +- 236336      6      bad       <--
chromium@478721      7417515 +- 160495      6      bad
chromium@478723      7243093 +- 262055      6      bad
chromium@478727      7300608 +- 184682      6      bad
chromium@478735      7200939 +- 250645      6      bad
chromium@478752      7190357 +- 209720      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 memory.top_10_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976919164038755536

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5781833884631040


| 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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