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Issue 814196 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: May 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.6%-4.8% regression in thread_times.key_silk_cases at 536813:536935

Project Member Reported by alexclarke@chromium.org, Feb 21 2018

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Feb 21 2018

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=814196

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=0480ffe6a678e384de1b777039c46021132f9f3f408edd4db6d59228753e5802


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

android-nexus5
android-nexus7v2
android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 22 2018

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/16d5c257840000
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Feb 23 2018

📍 Pinpoint job started.
https://chromeperf.appspot.com/job/11e9381f840000
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Feb 23 2018

Cc: d...@chromium.org dpranke@chromium.org iannucci@chromium.org tandrii@chromium.org
Owner: iannucci@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/11e9381f840000

[test_env.py] Warm up vpython virtualenv cache on swarming task shards. by iannucci@chromium.org
https://chromium.googlesource.com/chromium/src/+/8348d507e280f4bd02a7737bf5577f838d64437e

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions
Owner: ----
Status: Available (was: Assigned)
Cc: -tandrii@chromium.org
Cc: dtu@chromium.org
+dtu, can you add this to the list of bisects to re-run when we can patch over breakages?

Comment 9 by sullivan@google.com, May 31 2018

Status: WontFix (was: Available)
These all recovered. If we need to find the culprit, we can re-run bisect with https://chromium-review.googlesource.com/c/chromium/src/+/922581 pinned.

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