Re: [patch] i386 dynamic ticks 2.6.13-rc4 (code reordered)

From: Con Kolivas
Date: Tue Aug 02 2005 - 00:48:48 EST


On Tue, 2 Aug 2005 02:43 pm, Con Kolivas wrote:
> This has slightly more build fixes than the last one I posted and boots and
> runs fine on my laptop. So far at absolute idle it appears this pentiumM
> 1.7 is claiming to have _25%_ more battery life. I'll need to investigate
> further to see the real power savings.

As a crude data point of idle system running a full kde desktop environment on
powersave with minimal backlight and just chatting on IRC I find it's just
under 10% battery life difference. I have confirmed in the past the accuracy
of the remaining capacity exported by the battery and the time to complete
discharge. This saving is similar in magnitude to the 1000->100Hz savings of
7% mentioned on other threads. While nothing like the 25% initially suggested
it is still significant. Anyone with a more accurate means of testing this
interested?

Cheers,
Con
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