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Issue 759699 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) 2419.8% regression in memory.long_running_idle_gmail_background_tbmv2 at 495409:495504

Project Member Reported by kraynov@chromium.org, Aug 28 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Aug 28 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759699

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=a0b6e87fdedc8a2bcc07fcaaf7b048122aa42049ebdb6bca9dae8ce47d424ab0


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

chromium-rel-win10
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 28 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_avg/memory:chrome:renderer_processes:reported_by_chrome:v8:allocated_objects_size_avg
  Change       : 2312.30% | 2974256.0 -> 71747887.6832

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      71464086 +- 7542014       6      bad       <--
chromium@495443      72219823 +- 8472300       6      bad
chromium@495444      74198817 +- 11172548      6      bad
chromium@495456      71709833 +- 7209265       6      bad
chromium@495504      71747888 +- 7483614       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/8969999838234820656


For feedback, file a bug with component Speed>Bisection
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