Performance device PM QoS (was: Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support)

2012-09-18 Thread Rafael J. Wysocki
On Tuesday, September 18, 2012, mark gross wrote: > On Mon, Sep 17, 2012 at 11:10:09PM +0200, Rafael J. Wysocki wrote: > > On Monday, September 17, 2012, MyungJoo Ham wrote: [...] > > > > What QoS types do you think could be used here? > > > > > > I don't think the devfreq core needs to care of

Performance device PM QoS (was: Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support)

2012-09-18 Thread Rafael J. Wysocki
On Tuesday, September 18, 2012, mark gross wrote: On Mon, Sep 17, 2012 at 11:10:09PM +0200, Rafael J. Wysocki wrote: On Monday, September 17, 2012, MyungJoo Ham wrote: [...] What QoS types do you think could be used here? I don't think the devfreq core needs to care of it.

Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support

2012-09-17 Thread mark gross
On Mon, Sep 17, 2012 at 11:10:09PM +0200, Rafael J. Wysocki wrote: > On Monday, September 17, 2012, MyungJoo Ham wrote: > > Sender : Rafael J. Wysocki > > Date : 2012-09-09 07:20 (GMT+09:00) > > Title : Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support > > >

Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support

2012-09-17 Thread Rafael J. Wysocki
On Monday, September 17, 2012, MyungJoo Ham wrote: > Sender : Rafael J. Wysocki > Date : 2012-09-09 07:20 (GMT+09:00) > Title : Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support > > On Thursday, August 30, 2012, MyungJoo Ham wrote: > > > Even if the performance o

Re: Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support

2012-09-17 Thread MyungJoo Ham
Sender : Rafael J. Wysocki Date : 2012-09-09 07:20 (GMT+09:00) Title : Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support > On Thursday, August 30, 2012, MyungJoo Ham wrote: > > Even if the performance of a device is controlled properly with devfreq, > > sometimes, we still

Re: Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support

2012-09-17 Thread MyungJoo Ham
Sender : Rafael J. Wysockir...@sisk.pl Date : 2012-09-09 07:20 (GMT+09:00) Title : Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support On Thursday, August 30, 2012, MyungJoo Ham wrote: Even if the performance of a device is controlled properly with devfreq, sometimes, we still need

Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support

2012-09-17 Thread Rafael J. Wysocki
On Monday, September 17, 2012, MyungJoo Ham wrote: Sender : Rafael J. Wysockir...@sisk.pl Date : 2012-09-09 07:20 (GMT+09:00) Title : Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support On Thursday, August 30, 2012, MyungJoo Ham wrote: Even if the performance of a device

Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support

2012-09-17 Thread mark gross
On Mon, Sep 17, 2012 at 11:10:09PM +0200, Rafael J. Wysocki wrote: On Monday, September 17, 2012, MyungJoo Ham wrote: Sender : Rafael J. Wysockir...@sisk.pl Date : 2012-09-09 07:20 (GMT+09:00) Title : Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support On Thursday, August 30, 2012

Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support

2012-09-08 Thread Rafael J. Wysocki
On Thursday, August 30, 2012, MyungJoo Ham wrote: > Even if the performance of a device is controlled properly with devfreq, > sometimes, we still need to get PM-QoS inputs in order to meet the > required performance. > > In our testbed of Exynos4412, which has on-chip various DMA devices, the >

Re: [PATCH v3 1/2] PM / devfreq: add global PM QoS support

2012-09-08 Thread Rafael J. Wysocki
On Thursday, August 30, 2012, MyungJoo Ham wrote: Even if the performance of a device is controlled properly with devfreq, sometimes, we still need to get PM-QoS inputs in order to meet the required performance. In our testbed of Exynos4412, which has on-chip various DMA devices, the memory

[PATCH v3 1/2] PM / devfreq: add global PM QoS support

2012-08-30 Thread MyungJoo Ham
Even if the performance of a device is controlled properly with devfreq, sometimes, we still need to get PM-QoS inputs in order to meet the required performance. In our testbed of Exynos4412, which has on-chip various DMA devices, the memory interface and system bus are controlled according to

[PATCH v3 1/2] PM / devfreq: add global PM QoS support

2012-08-30 Thread MyungJoo Ham
Even if the performance of a device is controlled properly with devfreq, sometimes, we still need to get PM-QoS inputs in order to meet the required performance. In our testbed of Exynos4412, which has on-chip various DMA devices, the memory interface and system bus are controlled according to