blink_perf.canvas/draw-dynamic-webgl-to-hw-accelerated-canvas-2d.html in blink_perf.canvas very flaky on chromium.perf/Android Nexus5X Perf |
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Issue descriptionFiled by sheriff-o-matic@appspot.gserviceaccount.com on behalf of sullivan@google.com blink_perf.canvas/draw-dynamic-webgl-to-hw-accelerated-canvas-2d.html in blink_perf.canvas failing on chromium.perf/Android Nexus5X Perf Builders failed on: - Android Nexus5X Perf: https://build.chromium.org/p/chromium.perf/builders/Android%20Nexus5X%20Perf Bisecting to see if we can narrow down the cause of the flake.
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Feb 5 2018
Kicked off a bisect from before the recent perf regression, looks like this might be timing out?
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Feb 5 2018
Also failing on Nexus 5.
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Feb 5 2018
Issue 809124 has been merged into this issue.
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Feb 6 2018
📍 Couldn't reproduce a difference. https://pinpoint-dot-chromeperf.appspot.com/job/12f5c471840000
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Feb 6 2018
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Feb 7 2018
Hmmm, the bisect failed the test at the early revision, but the early revision is way before the test started failing on the waterfall. Will try bisecting on a different device.
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Feb 7 2018
📍 Pinpoint job started. https://pinpoint-dot-chromeperf.appspot.com/job/12dd9b99840000
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Feb 8 2018
📍 Couldn't reproduce a difference. https://pinpoint-dot-chromeperf.appspot.com/job/12dd9b99840000
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Feb 13 2018
I'm going to re-run the last bisect with the full benchmark, no story filter.
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Feb 13 2018
📍 Pinpoint job started. https://pinpoint-dot-chromeperf.appspot.com/job/13dd2d2d840000
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Feb 13 2018
😿 Pinpoint job stopped with an error. https://pinpoint-dot-chromeperf.appspot.com/job/13dd2d2d840000
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Feb 16 2018
Looks like the bisect saw the regression and narrowed it down to 533887-533899, but errored out with a Gitiles service timeout. I've increased the timeout and will run the job on a smaller range.
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Feb 16 2018
📍 Pinpoint job started. https://pinpoint-dot-chromeperf.appspot.com/job/14e57f23840000
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Feb 16 2018
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Feb 16 2018
📍 Found a significant difference after 1 commit. https://pinpoint-dot-chromeperf.appspot.com/job/14e57f23840000 canvas: Keep images locked during raster. by khushalsagar@chromium.org https://chromium.googlesource.com/chromium/src/+/aa36bffbca291c237487d2374d416a9c59f4de2e Understanding performance regressions: http://g.co/ChromePerformanceRegressions
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Feb 20 2018
I'm not seeing this failure since build #1273.
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Feb 20 2018
That's because the test is skipped due to failures.
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Feb 20 2018
Oops. Sorry. Looking at it right now.
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Feb 20 2018
https://chromium.googlesource.com/chromium/src/+/cde9d1d1e464957716e4e15f44810fe28753e4df fixed this too. I think the change in #16 was slowing down the test enough to cause it time out. I'm re-enabling it.
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Feb 21 2018
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Comment 1 by 42576172...@developer.gserviceaccount.com
, Feb 5 2018