Re: [PATCH] [CPUFREQ] VCPUfreq: Virtual CPU frequency driver.

2012-06-19 Thread Amit Kucheria
Panto, This looks interesting. cc'ing Rob and Charles who were interested in this at Connect. /Amit On Thu, Jun 21, 2012 at 3:15 AM, Pantelis Antoniou wrote: > Many current interesting systems have no ability to simulate the upcoming > bigLITTLE machines, since their cores have to be clocked at

Android Platform Team 2012/6/20 Agenda Posted

2012-06-19 Thread Zach Pfeffer
See: https://wiki.linaro.org/Platform/Android/Meetings/2012-06-20 Please feel free to add to it. Android team, Please list your status. See everyone tomorrow on #linaro-meeting at 14:00 UTC (8 AM Texas time). Its like a big hug. :) -- Zach Pfeffer Android Platform Team Lead, Linaro Platform

[PATCH] [CPUFREQ] VCPUfreq: Virtual CPU frequency driver.

2012-06-19 Thread Pantelis Antoniou
Many current interesting systems have no ability to simulate the upcoming bigLITTLE machines, since their cores have to be clocked at the same speeds. Using this driver it is possible to simulate a bigLITTLE system by means of a standard (virtual) cpufreq driver. By using a timer per core & irq a

Thanks Ken, Android on QEMU writeup

2012-06-19 Thread Zach Pfeffer
Thought this deserved a wide audience. Ken worked out how to run Android on QEMU and wrote up a wiki for it: https://wiki.linaro.org/KenWerner/Sandbox/AndroidQEMU Thanks Ken! It may be worth creating a little script that encapsulates everything so that people can just run it and go on their loc

Re: android-build.linaro.org planned downtime

2012-06-19 Thread Deepti Kalakeri
Hello All, https://android-build.linaro.org/jenkins/ is back again after maintenance. If you notice any problem on a-b* please ping the infrastructure maintenance team (Milo and Deepti) for any problems. On Mon, Jun 18, 2012 at 1:47 PM, Deepti Kalakeri wrote: > Hi All, > > Infrastructure team f

Re: [PATCH v2 5/5] sched: cpu_power: enable ARCH_POWER

2012-06-19 Thread Yong Zhang
On Tue, Jun 19, 2012 at 10:28:56AM +0200, Vincent Guittot wrote: > Heteregeneous ARM platform uses arch_scale_freq_power function > to reflect the relative capacity of each core > > Signed-off-by: Vincent Guittot > --- > kernel/sched/features.h |2 +- > 1 file changed, 1 insertion(+), 1 dele

Re: [Linaro-validation] Can we use mmcblk0p8?

2012-06-19 Thread YongQin Liu
On 19 June 2012 16:46, Dave Pigott wrote: > On 18 Jun 2012, at 23:49, Paul Larson wrote: > > On Mon, Jun 18, 2012 at 5:03 PM, Michael Hudson-Doyle < > michael.hud...@linaro.org> wrote: > Yes, we've discussed that very thing before but it was a lower priority > because we didn't need to extend the

Re: [Linaro-validation] Can we use mmcblk0p8?

2012-06-19 Thread Dave Pigott
On 18 Jun 2012, at 23:49, Paul Larson wrote: > On Mon, Jun 18, 2012 at 5:03 PM, Michael Hudson-Doyle > wrote: > Yes, we've discussed that very thing before but it was a lower priority > because we didn't need to extend the partition numbers that far. Not sure > why we are needing to do it now

[PATCH v2 3/5] ARM: topology: Update cpu_power according to DT information

2012-06-19 Thread Vincent Guittot
Use cpu compatibility field and clock-frequency field of DT to estimate the capacity of each core of the system and to update the cpu_power field accordingly. This patch enables to put more running tasks on big cores than on LITTLE ones. But this patch doesn't ensure that long running tasks will ru

[PATCH v2 5/5] sched: cpu_power: enable ARCH_POWER

2012-06-19 Thread Vincent Guittot
Heteregeneous ARM platform uses arch_scale_freq_power function to reflect the relative capacity of each core Signed-off-by: Vincent Guittot --- kernel/sched/features.h |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/features.h b/kernel/sched/features.h index d

[PATCH v2 4/5] sched, x86: Remove broken power estimation

2012-06-19 Thread Vincent Guittot
From: Peter Zijlstra The x86 sched power implementation has been broken forever and gets in the way of other stuff, remove it. For archaeological interest, fixing this code would require dealing with the cross-cpu calling of these functions and more importantly, we need to filter idle time out o

[PATCH v2 1/5] ARM: topology: Add arch_scale_freq_power function

2012-06-19 Thread Vincent Guittot
Add infrastructure to be able to modify the cpu_power of each core Signed-off-by: Vincent Guittot --- arch/arm/include/asm/topology.h |2 ++ arch/arm/kernel/topology.c | 38 +- 2 files changed, 39 insertions(+), 1 deletion(-) diff --git a/arch/arm/

[PATCH v2 2/5] ARM: topology: factorize the update of sibling masks

2012-06-19 Thread Vincent Guittot
This factorization has also been proposed in another patchset that has not been merged yet: http://lists.infradead.org/pipermail/linux-arm-kernel/2012-January/080873.html So, this patch could be dropped depending of the state of the other one. Signed-off-by: Lorenzo Pieralisi Signed-off-by: Vince

[PATCH v2 0/5] ARM: topology: set the capacity of each cores for big.LITTLE

2012-06-19 Thread Vincent Guittot
This patchset creates an arch_scale_freq_power function for ARM, which is used to set the relative capacity of each core of a big.LITTLE system. It also removes the broken power estimation of x86. Modification since v1: - Add and update explanation about the use of the table and the range of th