linux-kernel - Re: [linux-pm] suspend blockers & Android integration

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Date:	Sun, 6 Jun 2010 12:19:08 +0200
From:	Vitaly Wool <vitalywool@...il.com>
To:	david@...g.hm
Cc:	Brian Swetland <swetland@...gle.com>,
	Arve Hjønnevåg <arve@...roid.com>,
	Arjan van de Ven <arjan@...radead.org>, tytso@....edu,
	Florian Mickler <florian@...kler.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>, Neil Brown <neilb@...e.de>,
	James Bottomley <James.Bottomley@...e.de>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Linux PM <linux-pm@...ts.linux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Felipe Balbi <felipe.balbi@...ia.com>
Subject: Re: [linux-pm] suspend blockers & Android integration

2010/6/6  <david@...g.hm>:

> as an example (taken from this thread).
>
> system A needs to wake up to get a battery reading, store it and go back to
> sleep, It does so every 10 seconds. But when it does so it only runs the one
> process and then goes back to sleep.
>
> system B has the same need, but wakes up every 10 minutes. but when it does
> so it fully wakes up and this allows the mail app to power up the radio,
> connect to the Internet and start checking for new mail before oppurtunistic
> sleep shuts things down (causing the mail check to fail)
>
> System A will last considerably longer on a battery than System B.

Exactly, thanks for pointing out the specific example :)

~Vitaly
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