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Issue 759056 link

Starred by 2 users

Issue metadata

Status: WontFix
Owner: ----
Closed: Sep 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.9% regression in memory.top_10_mobile at 493219:493555

Project Member Reported by kraynov@chromium.org, Aug 25 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Aug 25 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759056

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=c2339be106cd9050fc1170082d85a6d91355aadd660878810a20c6dded9011d4


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

android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 26 2017


=== BISECT JOB RESULTS ===
Bisect was unable to run to completion

Error: INFRA_FAILURE

The bisect was able to narrow the range, you can try running with:
  good_revision: bb022357740c88dde09d3d2de6fd364c515714c2
  bad_revision : 0c1a638978372a5b7982247363de73d61f6d6faa

If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/foreground/http_search_yahoo_com_search__ylt_p_google

Revision             Result                  N
chromium@493218      4873714 +- 47155.4      6       good
chromium@493303      4885190 +- 56594.2      6       good
chromium@493345      4891950 +- 111627       14      good
chromium@493352      5042227 +- 330659       6       bad
chromium@493366      4906376 +- 101701       14      bad
chromium@493387      4968689 +- 52558.6      6       bad
chromium@493555      4973552 +- 23875.5      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 memory.top_10_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970272881287963152


For feedback, file a bug with component Speed>Bisection
Status: WontFix (was: Untriaged)
We reduced the thresholds for alerting, this is below them.

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