On 21/04/2020 02:52, Steven Rostedt wrote: > On Mon, 20 Apr 2020 16:19:42 +0100 > Qais Yousef <qais.yousef@xxxxxxx> wrote: > >>> root@h960:~# find / -name "*util_clamp*" >>> /proc/sys/kernel/sched_rt_default_util_clamp_min >>> /proc/sys/kernel/sched_util_clamp_max >>> /proc/sys/kernel/sched_util_clamp_min >>> >>> IMHO, keeping the common 'sched_util_clamp_' would be helpful here, e.g. >>> >>> /proc/sys/kernel/sched_util_clamp_rt_default_min >> >> All RT related knobs are prefixed with 'sched_rt'. I kept the 'util_clamp_min' >> coherent with the current sysctl (sched_util_clamp_min). Quentin suggested >> adding 'default' to be more obvious, so I ended up with >> >> 'sched_rt' + '_default' + '_util_clamp_min'. >> >> I think this is the logical and most consistent form. Given that Patrick seems >> to be okay with the 'default' now, does this look good to you too? > > There's only two files with "sched_rt" and they are tightly coupled > (they define how much an RT task may use the CPU). > > My question is, is this "sched_rt_default_util_clamp_min" related in > any way to those other two files that start with "sched_rt", or is it > more related to the files that start with "sched_util_clamp"? > > If the latter, then I would suggest using > "sched_util_clamp_min_rt_default", as it looks to be more related to > the "sched_util_clamp_min" than to anything else. For me it's the latter.