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Issue 923035 link

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Issue metadata

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



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3.2%-17.8% regression in rendering.mobile/tasks_per_frame_total_all at 608012:612595

Project Member Reported by tdres...@chromium.org, Jan 17 (5 days ago)

Issue description

Huge range, due to the bot not running regularly.
Kicking off a bisect in case it works, but we'll probably have to WontFix.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jan 17 (5 days ago)

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=923035

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=370df78e766361f7c0d3b0ed6bed1f2cc091d3dcedd0c51161aae0738534811b


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

Android Nexus5 Perf

rendering.mobile - Benchmark documentation link:
  https://bit.ly/rendering-benchmarks
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Jan 17 (5 days ago)

Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jan 19 (3 days ago)

Cc: chromium...@skia-corp.google.com.iam.gserviceaccount.com
Owner: jbudorick@google.com
Status: Assigned (was: Unconfirmed)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/14ffe7c2540000

Roll src/clank bb6faab8400f..09e33be0a917 (1 commits) by chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com
https://chrome-internal.googlesource.com/chrome/src-internal/+/680d3bc1592df262ec1ad01ae7540e7fe00781be
tasks_per_frame_total_all: 65.78 → 74.07 (+8.287)

Assigning to sheriff jbudorick@google.com because "Roll src/clank bb6faab8400f..09e33be0a917 (1 commits)" is a roll.

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

Benchmark documentation link:
  https://bit.ly/rendering-benchmarks

Comment 4 by jbudorick@google.com, Today (12 hours ago)

Cc: st...@chromium.org simonhatch@chromium.org
Owner: jbudorick@chromium.org
+stgao, +simonhatch: why does pinpoint think i'm the sheriff...?

Comment 5 by simonhatch@chromium.org, Today (11 hours ago)

From the code it looks like the assumption is the person being TBR'd for a roll is the sheriff.

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