linux-kernel - Re: Using sched_clock for mmio-trace

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Message-ID: <p73fy95g99w.fsf@bingen.suse.de>
Date:	16 Feb 2007 21:03:23 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	fche@...hat.com (Frank Ch. Eigler)
Cc:	Jeff Muizelaar <jeff@...idigm.net>, linux-kernel@...r.kernel.org
Subject: Re: Using sched_clock for mmio-trace

fche@...hat.com (Frank Ch. Eigler) writes:
> 
> We in systemtap land have the same problem, and so far made do with
> slightly postprocessed per-cpu TSC values.

90+% likely you're not solving your problem correctly this way.

-Andi
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