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Issue 717623 link

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Issue metadata

Status: Duplicate
Merged: issue 717400
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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135.8% regression in system_health.memory_mobile at 467922:467991

Project Member Reported by nzolghadr@chromium.org, May 2 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=717623

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg0p6e8goM


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

android-one
Mergedinto: 717400
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : nednguyen
  Commit : e80a730b1b1b43ec5fa205dd99e5f00693173f4c
  Date   : Fri Apr 28 09:26:12 2017
  Subject: [Telemetry] Switch Android platform to no longer uses test ca

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:skia:effective_size_avg/browse_news/browse_news_washingtonpost
  Change       : 138.06% | 379442.666667 -> 903311.333333

Revision                                 Result                 N
chromium@467921                          379443 +- 22906.4      6      good
chromium@467939                          382678 +- 21482.6      6      good
chromium@467948                          381545 +- 16472.2      6      good
chromium@467952                          378973 +- 21566.4      6      good
chromium@467953                          384937 +- 40237.3      6      good
chromium@467953,catapult@e80a730b1b      907086 +- 25554.6      6      bad       <--
chromium@467954                          817317 +- 469228       6      bad
chromium@467956                          790758 +- 638324       9      bad
chromium@467991                          903311 +- 24666.9      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.news.washingtonpost system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980685857235817744

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5251768675467264


| 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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