linux-kernel - sched_fair: the schedule check condition?

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Message-ID: <c6ed1ac51003042356y5ccb42f1va550747b9e72129e@mail.gmail.com>
Date:	Fri, 5 Mar 2010 15:56:36 +0800
From:	figo zhang <figo1802@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: sched_fair: the schedule check condition?

hi,

in check_preempt_tick() funtion, the check schedule condition the
reality increasing runtime "delta_exec"
and vruntime increasing "delta", and reality ideal time "ideal_runtime":

            if (delta_exec > ideal_runtime)
and
            if (delta > ideal_runtime)

if equal,  it should be need schedule?

Best,
Figo.zhang
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