Hello Eric, > > > (IEEE 1588 PTP is the canonical user of these dynamic clock devices) > > > > > > Would you want to refer to any of these from the man page? > > > > See above. I would be happy to add a 2 or 3 sentence note to the page > > that briefly describes the concept of a POSIX clock. Would you be able > > to come up with something? > > I'll try, but I've never used them, so I'm not convinced I can capture > the concept clearly. Cough! I found an old patch in my inbox... https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/commit/?id=f377393edddb6321a53c3e5ba516977e04d10445 (plus some edits in some subsequent commits) Thanks, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/