Messages in this thread | | | Date | Fri, 3 Jul 2020 09:40:25 +0200 | From | Greg KH <> | Subject | Re: [FOR-STABLE-3.9+] sched/rt: Show the 'sched_rr_timeslice' SCHED_RR timeslice tuning knob in milliseconds |
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On Fri, Jul 03, 2020 at 12:54:04PM +0530, Viresh Kumar wrote: > From: Shile Zhang <shile.zhang@nokia.com> > > We added the 'sched_rr_timeslice_ms' SCHED_RR tuning knob in this commit: > > ce0dbbbb30ae ("sched/rt: Add a tuning knob to allow changing SCHED_RR timeslice") > > ... which name suggests to users that it's in milliseconds, while in reality > it's being set in milliseconds but the result is shown in jiffies. > > This is obviously confusing when HZ is not 1000, it makes it appear like the > value set failed, such as HZ=100: > > root# echo 100 > /proc/sys/kernel/sched_rr_timeslice_ms > root# cat /proc/sys/kernel/sched_rr_timeslice_ms > 10 > > Fix this to be milliseconds all around. > > Cc: <stable@vger.kernel.org> # v3.9+ > Signed-off-by: Shile Zhang <shile.zhang@nokia.com> > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> > Cc: Linus Torvalds <torvalds@linux-foundation.org> > Cc: Mike Galbraith <efault@gmx.de> > Cc: Peter Zijlstra <peterz@infradead.org> > Cc: Thomas Gleixner <tglx@linutronix.de> > Link: http://lkml.kernel.org/r/1485612049-20923-1-git-send-email-shile.zhang@nokia.com > Signed-off-by: Ingo Molnar <mingo@kernel.org> > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
What is the git commit id of this patch in Linus's tree?
thanks,
greg k-h
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