From: Greg Lindahl <lindahl@keyresearch.com>
To: linux-mips@linux-mips.org
Subject: Re: [RFC] synchronized CPU count registers on SMP machines
Date: Thu, 5 Jun 2003 13:06:32 -0700 [thread overview]
Message-ID: <20030605200632.GA1513@greglaptop.internal.keyresearch.com> (raw)
In-Reply-To: <20030605095348.C25414@mvista.com>
On Thu, Jun 05, 2003 at 09:53:48AM -0700, Jun Sun wrote:
> 1) yes, it is always possible to use some external system-wide
> timer source, if available, to solve this problem. However, that could
> get tricky too, and I wanted to do something generic which is hopefully
> applicable to more systems.
Such sources are generally both much lower resolution, and they take a
long time to read. But a _consistent_ but higher overhead, lower
resolution number is better than an inconsistent number.
greg
next prev parent reply other threads:[~2003-06-05 20:05 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-04 22:39 [RFC] synchronized CPU count registers on SMP machines Jun Sun
2003-06-04 22:51 ` Michael Uhler
2003-06-04 22:51 ` Michael Uhler
2003-06-04 23:44 ` Jun Sun
2003-06-04 23:15 ` Ralf Baechle
2003-06-04 23:46 ` Jun Sun
2003-06-05 0:12 ` Ralf Baechle
2003-06-05 1:38 ` Jun Sun
2003-06-05 8:09 ` Dominic Sweetman
2003-06-05 8:48 ` Ralf Baechle
2003-06-05 16:53 ` Jun Sun
2003-06-05 20:06 ` Greg Lindahl [this message]
2003-06-05 10:45 ` Alan Cox
2003-06-05 8:55 ` Kevin D. Kissell
2003-06-05 8:51 ` Ralf Baechle
2003-06-05 8:55 ` Kevin D. Kissell
2003-06-05 11:08 ` Maciej W. Rozycki
2003-06-05 0:18 ` Keith Owens
[not found] <ralf@linux-mips.org>
2003-06-05 9:23 ` Tor Arntsen
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