From: john stultz <johnstul@us.ibm.com>
To: art@usfltd.com
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu
Subject: Re: kernel-2.6.14-rc5-rt7 - 604.62 BogoMIPS (2.6.14-rc5 - 6024.43 BogoMIPS) problem with bogometer ?
Date: Fri, 28 Oct 2005 16:42:15 -0700 [thread overview]
Message-ID: <1130542935.27168.431.camel@cog.beaverton.ibm.com> (raw)
In-Reply-To: <200510281828.AA38666812@usfltd.com>
On Fri, 2005-10-28 at 18:28 -0500, art wrote:
> kernel-2.6.14-rc5-rt7 - 604.62 BogoMIPS (2.6.14-rc5 - 6024.43 BogoMIPS) problem with bogometer ?
>
> kernel-2.6.14-rc5-rt7 -- Calibrating delay using timer specific routine.. 604.62 BogoMIPS (lpj=302311)
>
> kernel-2.6.14-rc5 -- Calibrating delay using timer specific routine.. 6024.43 BogoMIPS (lpj=12048877)
Assuming this is an i386 kernel, in the timeofday patches, the __delay
function has been converted to be a simple loop based delay instead of
TSC based, since the TSC has too many potential problems.
That should explain a differing lpj value, although 10x smaller is a
little strange, so I'll dig into this on my system and see if I find
anything.
Do let me know if you see any actual changes in behavior (drivers acting
funny, etc).
thanks
-john
next prev parent reply other threads:[~2005-10-28 23:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-28 23:28 art
2005-10-28 23:42 ` john stultz [this message]
2005-10-29 0:10 ` Steven Rostedt
2005-10-29 0:37 ` Steven Rostedt
2005-10-29 0:47 ` john stultz
2005-10-29 0:05 ` Steven Rostedt
2005-10-30 13:41 ` Ingo Molnar
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