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Issue 822877 link

Starred by 2 users

Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression

Blocking:
issue 770343



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308.8%-310.4% regression in system_health.common_desktop at 535619:536153

Project Member Reported by sullivan@chromium.org, Mar 16 2018

Issue description

Splitting off from  bug 811457  since the rest of the results recovered.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Mar 16 2018

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=822877

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=98d34b7cfc34cc7e57f9b4f055f9944c937d309c33fa9053a82bb4834066abb6


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

linux-release
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 17 2018

Cc: chrishtr@chromium.org skobes@chromium.org
Owner: skobes@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/11e66e89440000

Enable root layer scrolling. by skobes@chromium.org
https://chromium.googlesource.com/chromium/src/+/96f85b68747a679ea1ac4cd05d6743ae5f7142b7

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

Comment 4 by skobes@chromium.org, Mar 19 2018

Blocking: 770343

Comment 5 by skobes@chromium.org, Mar 20 2018

Owner: szager@chromium.org
szager do you think there's anything actionable here?

Comment 6 by szager@chromium.org, Mar 20 2018

I think it's worth seeing if we can reproduce the result locally by running with RLS enabled/disabled.  It's on desktop, so should be easier than mobile.
Components: Speed>Metrics>SystemHealthRegressions
hi, friendly reminder ping from today's perf sheriff.
Is this regression recovered now?

This did not recover. (If you extend out the graphs, you'll see the reference build regressing too--that's when we upgraded the ref build to latest stable)
Ping! This bug has been flagged as stale by Chrome Speed Metrics bug triage, and it has an owner. Any update on this issue?

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