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In-Reply-To: <alpine.DEB.2.01.1006060305060.17462@asgard.lang.hm>
References: <20100603193045.GA7188@elte.hu>
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Date: Sun, 6 Jun 2010 12:19:08 +0200
Message-ID: <AANLkTinW-X5m85rUcqP-lrEdfBikVclJWgqiWDkpxnAc@mail.gmail.com>
Subject: Re: [linux-pm] suspend blockers & Android integration
From: Vitaly Wool <vitalywool@gmail.com>
To: david@lang.hm
Cc: Brian Swetland <swetland@google.com>,
       =?ISO-8859-1?Q?Arve_Hj=F8nnev=E5g?= <arve@android.com>,
       Arjan van de Ven <arjan@infradead.org>, tytso@mit.edu,
       Florian Mickler <florian@mickler.org>,
       Peter Zijlstra <peterz@infradead.org>, "H. Peter Anvin" <hpa@zytor.com>,
       LKML <linux-kernel@vger.kernel.org>, Neil Brown <neilb@suse.de>,
       James Bottomley <James.Bottomley@suse.de>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Linux PM <linux-pm@lists.linux-foundation.org>,
       Ingo Molnar <mingo@elte.hu>,
       Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Thomas Gleixner <tglx@linutronix.de>,
       Felipe Balbi <felipe.balbi@nokia.com>
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2010/6/6  <david@lang.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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