From: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mtk.manpages@gmail.com, Juri Lelli <juri.lelli@gmail.com>,
Dario Faggioli <raistlin@linux.it>, Ingo Molnar <mingo@elte.hu>,
lkml <linux-kernel@vger.kernel.org>,
Dave Jones <davej@redhat.com>
Subject: Re: [BUG] sched_setattr() SCHED_DEADLINE hangs system
Date: Sun, 11 May 2014 19:47:48 +0200 [thread overview]
Message-ID: <536FB7C4.4060803@gmail.com> (raw)
In-Reply-To: <536F8F0E.7020301@gmail.com>
On 05/11/2014 04:54 PM, Michael Kerrisk (man-pages) wrote:
> $ time sudo ./t_sched_setattr d 18446744072 18446744072 18446744073
>
> 'd' here means use SCHED_DEADLINE, then the remaining arguments
> are the Runtime, Deadline, and Period, expressed in *seconds*.
> (Those number by the way are just a little below 2^64.)
I wasn't being 100% clear there. I mean to say: Those numbers are,
when converted to nanoseconds, just a little below 2^64.
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
next prev parent reply other threads:[~2014-05-11 17:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-11 14:54 [BUG] sched_setattr() SCHED_DEADLINE hangs system Michael Kerrisk (man-pages)
2014-05-11 17:47 ` Michael Kerrisk (man-pages) [this message]
2014-05-12 6:53 ` Michael Kerrisk (man-pages)
2014-05-12 8:47 ` Peter Zijlstra
2014-05-12 9:19 ` Michael Kerrisk (man-pages)
2014-05-12 12:30 ` Peter Zijlstra
2014-05-13 9:57 ` Juri Lelli
2014-05-13 10:43 ` Peter Zijlstra
2014-05-13 12:11 ` Juri Lelli
2014-05-13 12:46 ` Michael Kerrisk (man-pages)
2014-05-19 13:07 ` [tip:sched/core] sched/deadline: Restrict user params max value to 2^63 ns tip-bot for Juri Lelli
2014-05-22 12:25 ` tip-bot for Juri Lelli
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