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Issue 779807 link

Starred by 1 user
Status: Duplicate
Merged: issue 779475
Owner: ----
Closed: Oct 2017
Cc:
█ briander...@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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12.5%-40.4% regression in memory.long_running_idle_gmail_tbmv2 at 511460:511693

Project Member Reported by briander...@chromium.org, Oct 30 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Oct 30 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=779807

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=e1710c31187014c26bf71bb8b598eab45aad88f5d34d893a9386cd1271342a75


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

chromium-rel-mac-retina
chromium-rel-mac11
chromium-rel-mac11-air
chromium-rel-mac11-pro
chromium-rel-mac12
chromium-rel-mac12-mini-8gb
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Oct 31 2017

Mergedinto: 779475
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Alex Moshchuk
  Commit : 9cf0ac139cc65890b9e036f704040c8da332d6e3
  Date   : Wed Oct 25 21:26:19 2017
  Subject: Add field trial testing config for sign-in process isolation.

Bisect Details
  Configuration: mac_10_11_perf_bisect
  Benchmark    : memory.long_running_idle_gmail_tbmv2
  Metric       : memory:chrome:renderer_processes:reported_by_os:system_memory:private_dirty_size_avg/memory:chrome:renderer_processes:reported_by_os:system_memory:private_dirty_size_avg
  Change       : 15.08% | 295642905.591 -> 340223800.356

Revision             Result                     N
chromium@511501      295642906 +- 3444672       6      good
chromium@511565      270482670 +- 42095723      6      good
chromium@511581      296089161 +- 1264082       6      good
chromium@511589      260427015 +- 63632003      6      good
chromium@511593      252030155 +- 48534964      6      good
chromium@511594      340512850 +- 97886980      6      bad       <--
chromium@511595      429463283 +- 5511974       6      bad
chromium@511597      341377906 +- 95928045      6      bad
chromium@511629      340223800 +- 98485805      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests memory.long_running_idle_gmail_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8964269905547854576


For feedback, file a bug with component Speed>Bisection
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