"Erik E. Fair" writes:
> All this stuff aside, I still think working on improving NetBSD's interrupt
> latency in both the MD and MI code is a good idea, for this, for PPP over
> serial lines, and everything else. The point of this thread was to find tools
> and techniques for identifying specific parts of the kernel that need
> improvement in this regard.

One warning: Charles is apparently in the midst of a funded project to
add kernel threads to NetBSD, which will likely nuke the entire spl*()
structure from orbit.

Perry