linux-kernel - Re: turbostat tool update for Linux-3.8

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Message-ID: <1353011874.3055.22.camel@ejdallLaptop>
Date:	Thu, 15 Nov 2012 13:37:54 -0700
From:	Betty Dall <betty.dall@...com>
To:	Len Brown <lenb@...nel.org>
Cc:	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: turbostat tool update for Linux-3.8

On Wed, 2012-11-14 at 15:43 -0500, Len Brown wrote:
> Here are some turbostat patches I have staged.
> The 1st two I've requested be pulled into 3.7,
> the rest are for 3.8
> 
> The final patch allows turbostat to print Watts
> as measured by hardware RAPL counters -- something
> that people have been asking for.
> 
> Please let me know if you see troubles with any of these patches.

Hi Len,

I tested out these patches on an IvyBridge system and see the new Watts
fields. They look like reasonable numbers to me. I ran with the system
idle and then with lookbusy -c 50 and saw the Watts increase. Is there
anything else to do to validate the numbers? In one case I saw that the
Pkg_W for the system was off by .01, e.g. socket 0 was 28.33 and socket
1 was 29.74 and the system total was 58.08 instead of 58.07. That is
probably fine and just rounding up.

-Betty

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