Ryota Ozaki <ozak...@netbsd.org> writes: >> And, if someone is inclined, having better checks with meaurable >> slowdown under DEBUG sounds ok too, but my revised understanding is >> unclear on whether that's helpful. (But I am only trying to keep >> performance under DIAGNOSTIC high; I am unconcerned about DEBUG and >> don't need to understand.) > > I've proposed another implementation a few days ago (*). That provides > useful information for debugging in exchange for expensive overhead. > It is enabled by PSREF_DEBUG. > > (*) https://mail-index.netbsd.org/tech-kern/2019/05/10/msg025049.html
That sounds useful when needed. I don't mind if DEBUG turns on PSREF_DEBUG, but it might be that turning it on only when there is a known reproduction recipe for a leak is sensible. Thanks all for the useful and rational discussion.
