[android-kernel] Re: Shamu msm kernel build

2015-02-02 Thread Chintan Pandya
Are you disabling them via kernel-config ? If so, it should have taken care of dependencies. On Thursday, January 29, 2015 at 6:00:54 PM UTC+5:30, Anup Warnulkar wrote: > > I need to modify Shamu msm kernel to enable loading of driver modules. > When i try using the below flags in shamu_defconfi

[android-kernel] [RFC] Task migration in memory cgroup is too heavy in Android

2015-01-29 Thread Chintan Pandya
Android presently uses memory cgroups for more swapping of cached apps. But when we enable memory cgroup from kernel, we see user experience is sluggish. Digging more into this, I found that, most of the time spent by CPU is on charge migration from one cgroup to another. In addition, the desig

[android-kernel] Re: About Dynamic Voltage and Frequency Scaling In ADP2

2010-03-30 Thread Chintan
Hi, If you are able to compile and flash your version of Kernel then you can write simple system calls such as GetCurrentFreq / SetCpuFreq internally using functions acpuclk_get_rate and acpuclk_set_rate respectively (both of these functions are defined in acpuclock.c file). On Mar 29, 1:43 pm, M

Re: Ang.: Re: [android-kernel] Re: Getting the battery current and voltage values for the Android Phone

2010-03-17 Thread Chintan
ould be interesting if it turns out different with the > wall charger vs. usb. > > Android being open source Chintan should be able to track down the > source of the number by perusing the sources. > > Its probably possible to make an instrumented dummy battery for > research purpos

[android-kernel] Re: Getting the battery current and voltage values for the Android Phone

2010-03-15 Thread Chintan
(I assume you are wanting to > measure the current current draw), so there is no data for that.  The > firmware does some magical tricks to try to estimate how much the battery > has drained based on the hardware that is being used. > > > > On Sat, Mar 13, 2010 at 12:21 PM,

[android-kernel] Getting the battery current and voltage values for the Android Phone

2010-03-13 Thread Chintan
I am trying to collect power usage statistics for the Android G1 Phone. I am interested in knowing the values of Voltage and Current, and then able to collect statistics as reported here http://dl.google.com/io/2009/pres/W_0300_CodingforLife-BatteryLifeThatIs.pdf I am able to get the value of Batt