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Issue 797377 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Mar 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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258.6% regression in system_health.memory_mobile at 525759:525841

Project Member Reported by briander...@chromium.org, Dec 22 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Dec 22 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=797377

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=a3fb40e5c9ccd51c253b668408c38765762ad15703d84b3c0b837cdbee0b2b1e


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

android-webview-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 23 2017


=== BISECT JOB RESULTS ===
Perf regression found but unable to continue

Bisect was stopped because a commit couldn't be classified as either
good or bad.


Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_social/browse_social_facebook_infinite_scroll

Revision             Result                 N
chromium@525758      135168 +- 0.0          21      good
chromium@525800      135168 +- 0.0          21      good
chromium@525821      135168 +- 0.0          21      good
chromium@525831      185100 +- 1023305      21      unknown
chromium@525841      484693 +- 2265183      21      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=browse.social.facebook.infinite.scroll system_health.memory_mobile

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8959471944730315184


For feedback, file a bug with component Speed>Bisection
 Issue 797376  has been merged into this issue.
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Jan 24 2018

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/1283122c840000
Status: WontFix (was: Untriaged)
This recovered.

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