In order to investigate the Speedometer 2.1 impact of https://commits.webkit.org/266621@main, add trace points for incremental sweep and opportunistically scheduled tasks.
Pull request: https://github.com/WebKit/WebKit/pull/16434
Committed 266652@main (df3bb0c1f246): <https://commits.webkit.org/266652@main> Reviewed commits have been landed. Closing PR #16434 and removing active labels.
<rdar://problem/113516824>