Re: [MeeGo-dev] Power Managemengards

2010-06-24 Thread Glen Gray
On 23 Jun 2010, at 18:29, Arjan van de Ven wrote: netbooks are at least sometimes used on power. mobile phones and tablets are otoh almost only really used on battery. I typically use my netbook in much the same way as I do my iPhone. that is, it's in my pack. It's in standby most of the

Re: [MeeGo-dev] Power Managemengards

2010-06-23 Thread Gary Birkett
On Tue, Jun 22, 2010 at 6:08 PM, Arjan van de Ven ar...@linux.intel.com wrote: On 6/22/2010 4:15 AM, Dave Neary wrote: Hi, Arjan van de Ven wrote: On 6/21/2010 1:27 PM, Narendranath Ghosh wrote: Is there any power management architecture doc available for user domain? Applications

Re: [MeeGo-dev] Power Managemengards

2010-06-23 Thread Dave Neary
Hi, Gary Birkett wrote: would it be wise to document all the best practices in one place though? Best practices, and tools you can use to identify, characterise and fix power issues. This has at least 3 different facades: * Do less stuff - Use the right algorithms - Don't do things you

Re: [MeeGo-dev] Power Managemengards

2010-06-23 Thread mahendra panpalia
FO On Wed, Jun 23, 2010 at 2:06 PM, Dave Neary dne...@maemo.org wrote: Hi, Gary Birkett wrote: would it be wise to document all the best practices in one place though? Best practices, and tools you can use to identify, characterise and fix power issues. This has at least 3 different

Re: [MeeGo-dev] Power Managemengards

2010-06-23 Thread Rob Staudinger
On Wed, 2010-06-23 at 14:06 +0100, Dave Neary wrote: [...] Good point - it would be great to know when you're on battery, and do even less. What would be even more helpful than going back and forth apps should know about battery .. no they should not .. but they need to .. would be if

Re: [MeeGo-dev] Power Managemengards

2010-06-23 Thread Graham Cobb
On Wednesday 23 June 2010 16:24:39 Arjan van de Ven wrote: i can go on and on, but... with devices being almost always on battery, and your examples very visibly and annoyingly degrading the experience... (and often NOT being about AC/Battery but about where the device is at that point in

Re: [MeeGo-dev] Power Managemengards

2010-06-23 Thread Auke Kok
On 06/23/2010 04:33 AM, Gary Birkett wrote: On Tue, Jun 22, 2010 at 6:08 PM, Arjan van de Venar...@linux.intel.com wrote: correct. there are, by design, no special APIs in MeeGo for applications to be power friendly. It must be sufficient for an application to be well behaving [*] for it to be

Re: [MeeGo-dev] Power Managemengards

2010-06-23 Thread Thiago Macieira
On Wednesday 23 June 2010 14:31:12 Arjan van de Ven wrote: On 6/23/2010 4:26 AM, Narendranath Ghosh wrote: Hi, three things coming to my mind. 1. we cant guarantee that third party application development will be well behaved. well we'll find these, and point them out to the

Re: [MeeGo-dev] Power Managemengards

2010-06-23 Thread Dave Neary
Hi, Arjan van de Ven wrote: On 6/23/2010 8:15 AM, Dave Neary wrote: Here's a few examples that come to mind: * Video player - wants to give best experience possible when on A/C, so goes with HD, high frame rate - but when on battery, reduces video quality frame rate to use less energy

Re: [MeeGo-dev] Power Managemengards

2010-06-23 Thread Auke Kok
On 06/23/2010 08:15 AM, Dave Neary wrote: Hi, Rob Staudinger wrote: On Wed, 2010-06-23 at 14:06 +0100, Dave Neary wrote: Good point - it would be great to know when you're on battery, and do even less. What would be even more helpful than going back and forth apps should know about

Re: [MeeGo-dev] Power Managemengards

2010-06-22 Thread Auke Kok
On 06/22/2010 04:15 AM, Dave Neary wrote: Hi, Arjan van de Ven wrote: On 6/21/2010 1:27 PM, Narendranath Ghosh wrote: Is there any power management architecture doc available for user domain? Applications need to be well behaved. not wake up the cpu unneeded, not keeping resources busy

Re: [MeeGo-dev] Power Managemengards

2010-06-22 Thread Arjan van de Ven
On 6/22/2010 4:15 AM, Dave Neary wrote: Hi, Arjan van de Ven wrote: On 6/21/2010 1:27 PM, Narendranath Ghosh wrote: Is there any power management architecture doc available for user domain? Applications need to be well behaved. not wake up the cpu unneeded, not keeping

[MeeGo-dev] Power Managemengards

2010-06-21 Thread Narendranath Ghosh
Hi, Is there any power management architecture doc available for user domain? Regards, -Naren ___ MeeGo-dev mailing list MeeGo-dev@meego.com http://lists.meego.com/listinfo/meego-dev

Re: [MeeGo-dev] Power Managemengards

2010-06-21 Thread Arjan van de Ven
On 6/21/2010 1:27 PM, Narendranath Ghosh wrote: Hi, Is there any power management architecture doc available for user domain? Regards, Applications need to be well behaved. not wake up the cpu unneeded, not keeping resources busy etc etc (see various presentations that I and others