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From: Zoltan Menyhart <Zoltan.Menyhart_AT_bull.net@nospam.org>
To: linux-ia64@vger.kernel.org
Subject: Re: sched_clock
Date: Fri, 04 Jun 2004 11:11:26 +0000	[thread overview]
Message-ID: <40C058DE.EF547CFB@nospam.org> (raw)
In-Reply-To: <40B4868F.B649611C@nospam.org>

David Mosberger wrote:
> 
> Yes, you're right, there is an intermediate-result overflow problem in
> sched_clock() that I missed.  How does the attached patch work for you?

Thank you, it is O.K.

On the other hand, we might have similar problems in fsys.S. Some comments
like the one below makes me worry a bit:

	// if now < last_tick, set p7 = 1, p8 = 0

I cannot really say that I fully understand what is in fsys.S, but
should not "now" always be after no matter what time stamp, last tick ?

Thanks,

Zoltán

  parent reply	other threads:[~2004-06-04 11:11 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-26 11:59 sched_clock Zoltan Menyhart
2004-06-03 22:46 ` sched_clock David Mosberger
2004-06-04  9:43 ` sched_clock Ingo Molnar
2004-06-04 11:02 ` sched_clock Andi Kleen
2004-06-04 11:11 ` Zoltan Menyhart [this message]
2004-06-04 22:23 ` sched_clock David Mosberger
2004-06-04 22:52 ` sched_clock David Mosberger

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