Re: CVS commit: src/sys

[Greg Troxel <gdt%lexort.com@localhost>]

Ryota Ozaki <ozaki-r%netbsd.org@localhost> 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.