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Date: Sat, 23 Apr 2011 22:31:28 +0800
From: Yong Zhang <yong.zhang0@gmail.com>
To: Hillf Danton <dhillf@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
        Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH] sched: try to rewrite tg_has_rt_tasks()
Message-ID: <20110423143128.GC7747@zhy>
Reply-To: Yong Zhang <yong.zhang0@gmail.com>
References: <BANLkTimyN49J0UTo69Rabppeow9Fz-LcfQ@mail.gmail.com>
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On Sat, Apr 23, 2011 at 10:19:19PM +0800, Hillf Danton wrote:
> On Sat, Apr 23, 2011 at 10:11 PM, Yong Zhang <yong.zhang0@gmail.com> wrote:
> > On Sat, Apr 23, 2011 at 09:39:40PM +0800, Hillf Danton wrote:
> >> It is reshuffled not based upon scanning the list of existing threads
> >> but upon the relevant info carried by the input task group. Compared
> >> with the original, it is simpler, and nothing important is missed.
> >
> > Oh, no.
> >
> > There may be sleep task which is attach this group.
> >
> 
> Would you please say a few more words about the "sleep task"?

Only RUNNING task is counted to rt_nr_running, SLEEP task
is not on the run queue.

Thanks,
Yong