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Issue 759700 link

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Issue metadata

Status: Duplicate
Merged: issue 757495
Owner: ----
Closed: Aug 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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(likely a revert) 1871.1% regression in memory.long_running_idle_gmail_background_tbmv2 at 495409:495504

Project Member Reported by kraynov@chromium.org, Aug 28 2017

Issue description

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=759700

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=141063ca93a4ec18ca03683830f92764c496343c7435c107c352c8ac74d78a61


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:effective_size_avg/memory:chrome:renderer_processes:reported_by_chrome:v8:effective_size_avg
  Change       : 1799.31% | 4608000.0 -> 87520355.3399

Revision             Result                    N
chromium@495408      4608000 +- 0.0            6      good
chromium@495432      4608000 +- 0.0            6      good
chromium@495438      4608000 +- 0.0            6      good
chromium@495441      4608000 +- 0.0            6      good
chromium@495442      91199367 +- 10237551      6      bad       <--
chromium@495443      90156223 +- 12246795      6      bad
chromium@495444      92159327 +- 4267162       5      bad
chromium@495456      90966908 +- 13482770      6      bad
chromium@495504      87520355 +- 12992665      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/8969999773192845008


For feedback, file a bug with component Speed>Bisection

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