Subject: RE: Dual core Athlons and unsynced TSCs
From: Steven Rostedt <rostedt@goodmis.org>
To: john stultz <johnstul@us.ibm.com>
Cc: Lee Revell <rlrevell@joe-job.com>, Thomas Gleixner <tglx@linutronix.de>,
       Ingo Molnar <mingo@elte.hu>, Roger Heflin <rheflin@atipa.com>,
       "'linux-kernel'" <linux-kernel@vger.kernel.org>
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Date: Fri, 13 Jan 2006 20:10:12 -0500
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On Fri, 2006-01-13 at 16:23 -0800, john stultz wrote:

> > Failed! prev: 6279.925610302   current: 6279.874615349
> 
> Not sure, but I think your test is broken.

Yep and it is now fixed:

http://www.kihontech.com/tests/rt/monotonic.c


> 
> Attached is a similar testcase that I've been using myself that avoids
> this issue (although I just converted it from gettimeofday to
> clock_gettime, so there may still be an issue). Let me know if you have
> any comments on it.

Thanks, I'll add that to my list of tests too.

Oh and 2.6.15 passed as well (with clock=pmtmr)

-- Steve


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