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Date:      Tue, 04 Mar 2003 18:43:04 -0500
From:      Jan Knepper <jan@digitaldaemon.com>
To:        "M. Warner Losh" <imp@bsdimp.com>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: 'ticks' in kernel.
Message-ID:  <3E653A08.7090107@digitaldaemon.com>
In-Reply-To: <20030304.154113.90196009.imp@bsdimp.com>
References:  <3E64E941.3030205@digitaldaemon.com>	<20030304.104403.34570707.imp@bsdimp.com>	<3E64F7B2.9040008@digitaldaemon.com> <20030304.154113.90196009.imp@bsdimp.com>

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M. Warner Losh wrote:

>In message: <3E64F7B2.9040008@digitaldaemon.com>
>            Jan Knepper <jan@digitaldaemon.com> writes:
>: How would they return me the 'value' of 'ticks'?
>: 
>: The problem is... I have a value's somewhere that has been assigned from 
>: 'ticks', like:
>: ptr -> value   = ticks;
>: 
>: at an other moment I need to do something like...
>: 
>: age   = boottime + ( ticks - ptr -> value ) / factor;
>: 
>: The problem in the second case however is that I can not seem to get to 
>: 'ticks' as it is userland code...
>
>ptr->value should be set with getmicrotime() or microtime().  You can
>then do a gettimeofday in userland to figure out the age.
>
I agree with you. Except that ptr->value is tcpcb->t_starttime which is 
being set in the kernel...
For the rest, see my other email that I forgot (but now did) sent to the 
group.

Thanks for the help though.
Jan



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