On Mon, Sep 04, 2023 at 11:13:01AM +0200, Jos Dehaes wrote: > Hi, > > I ported btop++ (a resource monitor program like top/htop) to macOS, > FreeBSD, and now OpenBSD (pull request: > https://github.com/aristocratos/btop/pull/607). > > I would appreciate if anyone could have a look and tell me what stupid > things I did and how I can do it better (I don't have much OpenBSD > experience). > > I have some questions that I can't seem to find an answer to: > > - is it possible to get the temperature per CPU thread? Right now I'm > giving both threads on same physical core same temperature
There is no physical temp sensor per thread. Only core temparatures make sense. So what you do is correct. > - same question about CPU usage, it seems only possible to get info on > physical core granularity In OpenBSD SMT cores show up as independent CPUs. So a 2 core 4 thread cpu has cpu0 - cpu3. > - Similar question about disk I/O, I can only find a way to get disk I/O > per disk, so I'm giving all mountpoints the same disk I/O. >From my knowledge there is no per mount stats. In general they do not really matter. > - Is it possible to get disk I/O info per process? Linux and macOS can > do that, in FreeBSD I also could not find an API for it. You can look at getrusage ru_inblock/ru_oublock and p_uru_inblock / p_uru_oublock from struct kinfo_proc. Not perfect but there is nothing else. > How could we go about including this in OpenBSD (ports or native package)? > > (Please CC me as I'm not subscribed to the list) > > Thx, > Jos -- :wq Claudio
