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

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On Sat, 5 Jun 2010 23:06:03 +0300
Felipe Contreras <felipe.contreras@xxxxxxxxx> wrote:

> 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).

IIRC, the patches discussed have debugging infrastructure in
them. The kernel does the accounting. 

> 
> > 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.
> 
If you think a little about it, it is. Because if the app wouldn't be
usable at all, the bug wouldn't get fixed because the user wouldn't use
it. Or not?

Cheers,
Flo
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