On Thu, Aug 18, 2022 at 03:53:28PM -0400, Joseph Salisbury wrote: > Hello, > > Some Ubuntu users are using the tuned package with a 5.15.x based real-time > kernel. Tuned adjusts various sysctl options based on a specified profile. > This userspace package has stopped working > 5.13 due to the following > commit: > > 8a99b6833c88 "(sched: Move SCHED_DEBUG sysctl to debugfs)" > > This commit moved some important real-time sysctl knobs to debugfs in > 5.13-rc1. It also appears some of the sysctl options were not moved, > sched_min_granularity_ns, for example. > > I was hoping to get some feedback on how to approach this. Would upstream > real-time consider accepting a patch to the 5.15 real-time patch set that > reverts this commit? Or a new patch that adds the sysctl settings back? > Any other ideas or feedback would be appreciated! None of those knobs were available when SCHED_DEBUG=n, so relying on them is your error to begin with. Secondly, real-time? Which if those values affects anything in SCHED_FIFO/RR/DEADLINE ?
