On Mon, Sep 19, 2022 at 5:30 AM Alexey Dobriyan <adobriyan@xxxxxxxxx> wrote: > > On Sat, Sep 17, 2022 at 11:32:02AM -0700, Ivan Babrou wrote: > > > > > * Make fd count acces O(1) and expose it in /proc/pid/status > > > > > > This is doable, next to FDSize. > > > > It feels like a better solution, but maybe I'm missing some context > > here. Let me know whether this is preferred. > > I don't know. I'd put it in st_size as you did initially. > /proc/*/status should be slow. Could you elaborate what you mean? * Are you saying that having FDUsed in /proc/*/status _would_ be slow? I would imagine that adding atomic_read() there shouldn't slow things down too much. * Are you saying that reading /proc/*/status is already slow and reading the number of open files from there would be inefficient?
