From: bhs <haishan.bai@gmail.com>
To: bhs <haishan.bai@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Why not distribute timer handlers on CPUs on SMP
Date: Wed, 6 Oct 2010 09:50:48 +0800 [thread overview]
Message-ID: <AD61E4A9-2622-47F8-911C-A2FCF9F34BF8@gmail.com> (raw)
In-Reply-To: <2B624B3F-9338-4336-B4F6-D61B476DA255@gmail.com>
On Oct 6, 2010, at 9:05 AM, bhs wrote:
> Hello,
>
> I am just curious about why handle the timer functions on a CPU serially but not distribute them over CPUs
> even on a SMP system?
>
Yea, it already distributed over CPUs at calling add_timer(), timer function was bounded to a cpu on which
it was created.
I am sorry for my noise.
> The timer wheel handler function __run_timers() serializes the timer functions on a CPU,
> is there any design consideration that handling timers on a CPU is more reasonable than distribute them
> over CPUs?
>
>
> Best regards
> Shan Hai
prev parent reply other threads:[~2010-10-06 1:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-06 1:05 bhs
2010-10-06 1:50 ` bhs [this message]
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