On Mon, 10 Apr 2023 at 21:07, Frank Carmickle <fr...@carmickle.com> wrote: > > On Mar 30, 2023, at 10:49, James Addison <j...@jp-hosting.net> wrote: > > > > Yep, bugs with unpredictable timing can be particularly hard to track > > down. I noticed some references to process threads in one of your > > previous messages (the acronym nptl for native posix thread library) > > and also in the source code: that occurs to me as a possible area to > > investigate, although I don't have clear suggestions on how we could > > pinpoint thread-related timing issues. > > > I have yet to correlate this to anything. I've begun looking in to the clock > that qemu provides. It seems as though there aren't any hardware clocks > accessible inside the VM on qemu hosted by macOS on aarch64. I'll report back.
Ok, thank you. > I was seeing the on vmware on amd64 also. > > I have a bullseye machine running on bare metal that I haven't experienced > this issue with as of yet. That could be a useful clue. Which of those three systems, if any, are multi-processor?
