What is BHR? Is there any documentation on it? Where does its data come from? How far back does it go? CVDisplayLinkCreateWithActiveCGDisplays() is a macOS system call, for which there are no obvious alternatives. We probably have to keep using it. And if the reported "hangs" aren't noticeable in everyday use, or even if they are and aren't too annoying, we may not need to do anything about them. The one case where further examination might be worthwhile is if a number of users are very badly (and noticeably) effected. Is there any way to find this out from the BHR data?
Bug 1602842 Comment 7 Edit History
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What is BHR? Is there any documentation on it? Where does its data come from? How far back does it go? CVDisplayLinkCreateWithActiveCGDisplays() is a macOS system call, for which there are no obvious alternatives. We probably have to keep using it. And if the reported "hangs" aren't noticeable in everyday use, or even if they are and aren't too annoying, we may not need to do anything about them. The one case where further examination might be worthwhile is if a number of users are very badly effected. Is there any way to find this out from the BHR data?