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Status: Available
Owner: ----
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EstimatedDays: ----
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Pri: 2
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tough_scrolling_cases failing on android webview

Project Member Reported by martiniss@chromium.org, Nov 9 2017

Issue description

tough_scrolling_cases failing on android webview

Builders failed on: 
- Android Nexus5X WebView Perf: 
  https://build.chromium.org/p/chromium.perf/builders/Android%20Nexus5X%20WebView%20Perf
- Android Nexus6 WebView Perf: 
  https://build.chromium.org/p/chromium.perf/builders/Android%20Nexus6%20WebView%20Perf
- Android Nexus6 WebView Perf: 
  https://build.chromium.org/p/chromium.perf/builders/Android%20Nexus6%20WebView%20Perf


I'm going to start a bisect.
 
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Nov 10 2017


=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : smoothness.tough_scrolling_cases
  Metric       : mean_pixels_approximated/canvas_05000_pixels_per_second


To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=canvas.05000.pixels.per.second smoothness.tough_scrolling_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963370405705194864


For feedback, file a bug with component Speed>Bisection
Cc: tdres...@chromium.org
cl to disable failing tests here: https://chromium-review.googlesource.com/c/chromium/src/+/772803
Project Member

Comment 4 by bugdroid1@chromium.org, Nov 15 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/82398e76383e23ce2de5c5207d0915eee0cf806c

commit 82398e76383e23ce2de5c5207d0915eee0cf806c
Author: Ashley Enstad <ashleymarie@chromium.org>
Date: Wed Nov 15 22:05:56 2017

Disabling canvas thread_times.tough_scrolling_cases on webview

BUG=chromium:783362

Change-Id: I7ac541e7ec87536eb02c43f1af5a3bc6ef6e1317
Reviewed-on: https://chromium-review.googlesource.com/772803
Commit-Queue: Ashley Enstad <ashleymarie@chromium.org>
Commit-Queue: Ned Nguyen <nednguyen@google.com>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
Cr-Commit-Position: refs/heads/master@{#516849}
[modify] https://crrev.com/82398e76383e23ce2de5c5207d0915eee0cf806c/tools/perf/benchmarks/thread_times.py

Components: Internals>GPU>Metrics
Cc: bokan@chromium.org
Labels: Pri-2
Setting defect without priority to Pri-2.

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