On Thu, Jan 07, 2021 at 04:28:43PM +0100, Sebastian Siewior wrote: > This sleep can be triggered by ptrace/strace() and with brief testing I > can trigger the sleep there but I don't get it anywhere near where I > would notice it with cyclictest.
It's a single task wakeup (the caller), doing that from hardirq context really should not be a problem, we do lots of that in RT already.
