I wrote an example 20 years ago, but couldn't get it to work. I found a copy in this thread:
https://9fans.topicbox.com/groups/9fans/T6fea0dd928cee45d-M9987c73da1c5b3190e83c561/9fans-trace-c On Tue, Aug 29, 2023, 11:29 AM Charles Forsyth <charles.fors...@gmail.com> wrote: > There's another paper from an iwp9 http://9p.io/iwp9/Real-time.pdf that > might provide more detail > > On Tue, 29 Aug 2023 at 18:19, <o...@eigenstate.org> wrote: > >> Quoth dusan3...@gmail.com: >> > I was reading an article about plan9's realtime scheduler edf ( >> http://doc.cat-v.org/plan_9/real_time/real_time_in_a_real_operating_system/real_time_in_a_real_operating_system.pdf, >> page 7), and they mentioned using /dev/realtime to create realtime >> processes, but /dev/realtime doesn't exist on my machine (I am using >> 9front). I found a post here from 07 saying something about removing it a >> long time ago, but it got no answers. >> > >> > In proc(3) they mention some commands for configuring realtime >> processes but I don't know if that is to configure an already made realtime >> process or to make one from a regular. How do i make realtime processes in >> these days? >> >> it's the bits you found in /proc; there are no (longer?) >> any special real time processes; any process can become >> real time by setting up deadlines at any point. >> >> /dev/realtime isn't needed any more. >> >> unfortunately, I'm not aware of any programs using it. >> >> (that may be a good question for the list: where was the >> real time scheduler used, and does any code using it >> survive?) >> > *9fans <https://9fans.topicbox.com/latest>* / 9fans / see discussions > <https://9fans.topicbox.com/groups/9fans> + participants > <https://9fans.topicbox.com/groups/9fans/members> + delivery options > <https://9fans.topicbox.com/groups/9fans/subscription> Permalink > <https://9fans.topicbox.com/groups/9fans/Td0e7a4f73d1eae3b-M6b463332615f9ce69ce32d0b> > ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Td0e7a4f73d1eae3b-Ma9390b0283a268af33ad6e82 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription
