New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 693468 link

Starred by 1 user

Issue metadata

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



Sign in to add a comment

18.3% regression in system_health.memory_mobile at 450760:450815

Project Member Reported by alexclarke@chromium.org, Feb 17 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=693468

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2MGy5QkM


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

android-webview-nexus5X
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 18 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_arm64_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_media/load_media_dailymotion
  Change       : 3.95% | 7005866.66667 -> 6729045.33333

Revision             Result                  N
chromium@450759      7005867 +- 54909.1      6      good
chromium@450773      7065941 +- 77900.3      6      good
chromium@450777      7115435 +- 246827       6      good
chromium@450779      7092565 +- 85645.4      6      good
chromium@450780      6749525 +- 93208.4      6      bad       <--
chromium@450787      6704469 +- 37053.1      6      bad
chromium@450815      6729045 +- 176334       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.media.dailymotion system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8987419898766338336

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6430336705101824


| 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

Sign in to add a comment