Re: [QUERY] Power consumption on a 2013 MBP
From: Pavel Machek
Date: Mon Jan 06 2014 - 16:11:21 EST
On Tue 2013-12-31 15:24:00, Ramkumar Ramachandra wrote:
> On a 2013 Macbook Pro, Linux consumes 21W of power while OS X consumes
> just 9W. I found this very disturbing; Linux more than halves the
> battery life of the device. I checked to see that I wasn't running any
> especially power-hungry applications or drivers (using powertop). I'm
> using just one proprietary driver: the broadcom-wl wireless driver;
> otherwise, I'm running the stock 3.12 kernel from Arch's repositories.
> How do I figure out what is consuming power, and what can I do to help
> minimize consumption?
USB usually does that. Try rmmoding hcd(s). If that does not help, try
removing other modules. Oh and try without that broadcom-wl driver.
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/