Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

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On Sat, Jun 5, 2010 at 10:56 PM, Florian Mickler <florian@xxxxxxxxxxx> wrote:
> On Sat, 5 Jun 2010 20:30:40 +0300
> Felipe Contreras <felipe.contreras@xxxxxxxxx> wrote:
>> I don't think the suspend blockers solve much. A bad application will
>> behave bad on any system. Suppose somebody decides to port Firefox to
>> Android, and forgets to listen to the screen off event (bad on Android
>> or Maemo), however, notices the application behaves very badly, so by
>> googling finds these suspend blockers, and enables them all the time
>> the application runs.
>>
>> When the user install the application, will be greeted by a warning
>> "This application might break PM, do you want to enable suspend
>> blockers?" (or whatever), as any typical user would do, will press Yes
>> (whatever).
>>
>> We end up in exactly the same situation.
>>
> No. The application will show up in the suspend blocker stats and the
> user will remember: "Oh, yes. There was a warning about that. Well I
> think I'm going to file a bug there."

How would such stats be calculated? I presume at regular intervals you
check which applications are holding suspend blockers and increase a
counter.

How would you do that with the dynamic PM approach? At regular
intervals you check for which applications are running (not idle).

> The only difference is, that with suspend blockers, he can than
> dismiss the applications permission to block suspend and will not miss
> his job interview the next day because his phones battery run
> out. And also he can use the application to a certain extent.

So the difference is between removing the app, and making it run
crappy. I don't think that's a strong argument in favor of suspend
blockers.

-- 
Felipe Contreras
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