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Issue 759050 link

Starred by 1 user
Status: Duplicate
Merged: issue 757495
Owner: ----
Closed: Aug 2017
Cc:
█ kraynov@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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(Likely a revert) 2870.6% regression in memory.long_running_idle_gmail_background_tbmv2 at 495409:495504

Project Member Reported by kraynov@chromium.org, Aug 25 2017 
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=759050

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=506cf51ebe219337ac7c96d5d40878b4091aa3dfdc03add40fbf371dab90eac0


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

chromium-rel-win10
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 25 2017

Mergedinto: 757495
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Charlie Andrews
  Commit : 7fab27426a0c1ac0925b9b3f25cbbfaf515439a9
  Date   : Fri Aug 18 02:56:08 2017
  Subject: Revert "Improve suspending logic."

Bisect Details
  Configuration: winx64_10_perf_bisect
  Benchmark    : memory.long_running_idle_gmail_background_tbmv2
  Metric       : memory:chrome:renderer_processes:reported_by_chrome:v8:allocated_objects_size_max/memory:chrome:renderer_processes:reported_by_chrome:v8:allocated_objects_size_max
  Change       : 3330.94% | 2974256.0 -> 102045020.0

Revision             Result                     N
chromium@495408      2974256 +- 0.0             6      good
chromium@495432      2974256 +- 0.0             6      good
chromium@495438      2974256 +- 0.0             6      good
chromium@495441      2974256 +- 0.0             6      good
chromium@495442      85784480 +- 35508683       6      bad       <--
chromium@495443      96214887 +- 38233334       6      bad
chromium@495444      95554575 +- 41103730       6      bad
chromium@495456      90585373 +- 35731665       6      bad
chromium@495504      102045020 +- 29328234      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests memory.long_running_idle_gmail_background_tbmv2

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970273506867856048


For feedback, file a bug with component Speed>Bisection
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