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Issue 631115 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Jul 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1% regression in system_health.memory_desktop at 406785:406803

Project Member Reported by petrcermak@chromium.org, Jul 25 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=631115

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2sKwrgoM


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

linux-release
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jul 26 2016

Cc: wangxianzhu@chromium.org
Owner: wangxianzhu@chromium.org

=== Auto-CCing suspected CL author wangxianzhu@chromium.org ===

Hi wangxianzhu@chromium.org, the bisect results pointed to your CL below as possibly
causing a regression. Please have a look at this info and see whether
your CL be related.


===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Reland PaintChunk::id
Author  : wangxianzhu
Commit description:
  
The id will be used in rasterization paint invalidation to match old
and new paint chunks. It can be also used in incremental layerization.

Original review url: https://codereview.chromium.org/2116693002

BUG= 510908 , 629946 

Review-Url: https://codereview.chromium.org/2116693002
Review-Url: https://codereview.chromium.org/2168513005
Cr-Original-Commit-Position: refs/heads/master@{#406461}
Cr-Commit-Position: refs/heads/master@{#406793}
Commit  : a1101d498d5054ecda5c4f6481b4738d7873b4da
Date    : Thu Jul 21 07:12:47 2016


===== TESTED REVISIONS =====
Revision         Mean    Std Dev      N  Good?
chromium@406784  977388  0.0          5  good
chromium@406789  979846  2243.47      5  good
chromium@406792  979846  2243.47      5  good
chromium@406793  985580  8.23181e-11  5  bad    <--
chromium@406794  988857  1831.79      5  bad
chromium@406803  988038  2243.47      5  bad

Bisect job ran on: linux_perf_bisect
Bug ID: 631115

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests system_health.memory_desktop
Test Metric: load_games-memory:chrome:all_processes:reported_by_chrome:partition_alloc:effective_size_avg/load_games_lazors
Relative Change: 1.09%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/linux_perf_bisect/builds/6607
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9006145107317940624


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4996577169506304

| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Tests>AutoBisect.  Thank you!
Cc: -wangxianzhu@chromium.org
Owner: ----
Status: WontFix (was: Assigned)
Already recovered. Seems unrelated to my CL.
Labels: SystemHealth-Sheriff
Labels: -Performance-Sheriff

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