Re: Trying to trace when RT FF & RR threads hit RT Throttle limit (kernel.sched_rt_runtime_us)
Steven Rostedt <[email protected]> Tue, 2 May 2023 16:43:11 -0400
| Newsgroups | org.kernel.vger.linux-trace-users |
|---|---|
| Message-ID | <[email protected]> |
On Mon, 1 May 2023 15:35:43 -0400 Brian Hutchinson <[email protected]> wrote: > I don't "think" anything is moving around here unless the OS is going > against what it's been told to do. The cpu's are isolated with > cmdline at boot and the affinity of these processes has been selected > when they startup so they should stay where they are put unless there > is something going on I don't know about. I think I've seen talk > before that the affinity is just a "suggestion" making me think there > are cases where something could move but if that's true I don't know > what those scenarios are. BTW, you may want to email the relevant maintainers of the scheduler (yes, I'm one of them), because it's getting off topic for linux-trace-users. -- Steve