<p dir="auto"><a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/flutter/flutter/commit/84ee41686d1332bdb7c0a62f2f7b883d912629ba/hovercard" href="https://github.com/flutter/flutter/commit/84ee41686d1332bdb7c0a62f2f7b883d912629ba"><tt>84ee416</tt></a> (engine roll with containing only skia roll) caused a regression for benchmark <code class="notranslate">complex_layout_scroll_perf__timeline_summary/worst_frame_rasterizer_time_millis</code> from 50ms to 103ms.</p>
<p dir="auto">If this change is expected the benchmark should be rebased.</p>
<p dir="auto">/cc <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/cbracken/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/cbracken">@cbracken</a> <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/liyuqian/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/liyuqian">@liyuqian</a></p>
<p dir="auto">The regression is caused by an engine roll that has only one Skia roll that has only one Skia commit.</p>
<p dir="auto">See:<br>
<a href="https://flutter-dashboard.appspot.com/benchmarks.html" rel="nofollow">https://flutter-dashboard.appspot.com/benchmarks.html</a><br>
<a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/flutter/flutter/commit/84ee41686d1332bdb7c0a62f2f7b883d912629ba/hovercard" href="https://github.com/flutter/flutter/commit/84ee41686d1332bdb7c0a62f2f7b883d912629ba"><tt>84ee416</tt></a><br>
<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="356447518" data-permission-text="Title is private" data-url="https://github.com/flutter/engine/issues/6144" data-hovercard-type="pull_request" data-hovercard-url="/flutter/engine/pull/6144/hovercard" href="https://github.com/flutter/engine/pull/6144">flutter/engine#6144</a><br>
<a href="https://skia.googlesource.com/skia.git/+log/2f53025e8bf1..09a7bb222172" rel="nofollow">https://skia.googlesource.com/skia.git/+log/2f53025e8bf1..09a7bb222172</a></p>