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Issue 699150 link

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Issue metadata

Status: Duplicate
Merged: issue 699125
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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4.1% regression in system_health.memory_mobile at 454246:454272

Project Member Reported by kraynov@chromium.org, Mar 7 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=699150

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglKi6pwkM


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

android-webview-nexus5X

Comment 3 Deleted

Mergedinto: 699125
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : zqzhang
  Commit : abc082487c58110e72e8d8e9ff6fa0b7abc9dd12
  Date   : Thu Mar 02 16:07:14 2017
  Subject: [Blink>Media] Add heuristic for dominant video detection for Android

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/load_tools/load_tools_weather
  Change       : 2.73% | 93556808.0 -> 96113565.3333

Revision             Result                   N
chromium@454245      93556808 +- 1641161      6      good
chromium@454259      93333747 +- 2234505      6      good
chromium@454266      93097885 +- 2096701      6      good
chromium@454269      93010163 +- 2570017      9      good
chromium@454271      93252851 +- 2323308      6      good
chromium@454272      96113565 +- 2811985      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.tools.weather system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985761760930042608

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6348691046137856


| 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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