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Issue 779806 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=779806

(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       : 21.89% | 279577191.459 -> 340782182.508

Revision             Result                     N
chromium@511501      279577191 +- 64725965      6      good
chromium@511565      260323767 +- 62129766      6      good
chromium@511581      296035038 +- 1378613       6      good
chromium@511589      264800413 +- 55061278      6      good
chromium@511593      286816120 +- 50198626      6      good
chromium@511594      429777625 +- 5870612       6      bad       <--
chromium@511595      429638427 +- 4089079       6      bad
chromium@511597      339921849 +- 98180598      6      bad
chromium@511629      340782183 +- 96200974      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/8964269906678772736


For feedback, file a bug with component Speed>Bisection
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