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Date: Fri, 1 Feb 2002 21:01:13 +0000
From: Mark Zealey <mark@zealos.org>
To: linux-kernel@vger.kernel.org
Subject: Re: Jiffies from userspace
Message-ID: <20020201210113.GA30684@itsolve.co.uk>
In-Reply-To: <20020201123321.A799@mars.starshine.org>
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On Fri, Feb 01, 2002 at 12:33:21PM -0800, Jim wrote:

> 
>  Sorry if this question seems stupid, but would this be a 
>  reasonable way to get an estimate of the "current" value of the 
>  kernel's jiffies:
> 
>  	set -- `cat /proc/self/stat`; echo ${22}
> 
>  ... my reasoning:
> 
>  The cat will start a new process, field 22? of its "stat" node 
>  under proc should have the jiffies value at the time the process
>  was started; so the echo command execute "shortly" thereafter.

Maybe, another idea would be to look at /proc/interrupts, on the timer one
(IRQ0)...

-- 

Mark Zealey
mark@zealos.org
mark@itsolve.co.uk

UL++++>$ G!>(GCM/GCS/GS/GM) dpu? s:-@ a16! C++++>$ P++++>+++++$ L+++>+++++$
!E---? W+++>$ N- !o? !w--- O? !M? !V? !PS !PE--@ PGP+? r++ !t---?@ !X---?
!R- b+ !tv b+ DI+ D+? G+++ e>+++++ !h++* r!-- y--

(www.geekcode.com)
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