Re: Preemption of the OS system call due to expiration of the time-sl ice for: a) SCHED_NORMAL (aka SCHED_OTHER) b) SCHED_RR
From: Oliver Neukum (oliver_at_neukum.org)
Date: 06/30/04
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- In reply to: Povolotsky, Alexander: "Preemption of the OS system call due to expiration of the time-sl ice for: a) SCHED_NORMAL (aka SCHED_OTHER) b) SCHED_RR"
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To: "Povolotsky, Alexander" <Alexander.Povolotsky@marconi.com> Date: Wed, 30 Jun 2004 12:50:04 +0200
Am Mittwoch, 30. Juni 2004 11:50 schrieb Povolotsky, Alexander:
> Con - thanks for your kind answers !
>
> Preemption (due to the expiration of the time-slice) of the process, while
> it executes OS system call, - by another process (of equal or higher
> priority) when running under following scheduling policies:
>
> a) SCHED_NORMAL (aka SCHED_OTHER)
> b) SCHED_RR
>
> Is it possible in Linux 2.6 ? Linux 2.4 ?
It is possible if the kernel is compiled with CONFIG_PREEMPT
and the calling task has not blocked it.
HTH
Oliver
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- Previous message: Coywolf Qi Hunt: "[BUG FIX] fork_init() OOM bug on big highmem machine"
- In reply to: Povolotsky, Alexander: "Preemption of the OS system call due to expiration of the time-sl ice for: a) SCHED_NORMAL (aka SCHED_OTHER) b) SCHED_RR"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
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