Status of the following patch (clocksource sched_clock) ?
m-karicheri2 at ti.com
Mon Dec 19 12:37:44 EST 2011
Is it init_sched_clock(),update_sched_clock() APIs that you are referring to?
Software Design Engineer
email: m-karicheri2 at ti.com
>> -----Original Message-----
>> From: linux-arm-kernel-bounces at lists.infradead.org [mailto:linux-arm-kernel-
>> bounces at lists.infradead.org] On Behalf Of Karicheri, Muralidharan
>> Sent: Monday, December 19, 2011 12:30 PM
>> To: Russell King - ARM Linux
>> Cc: linux-arm-kernel at lists.infradead.org
>> Subject: RE: Status of the following patch (clocksource sched_clock) ?
>> Thanks for responding.
>> >> > Could someone tell me what is the status of this patch? I want to try
>> >> > it on my target platform which is a davinci variant.
>> >> Dead.
>> >> Just make sure you use the sched_clock infrastructure already provided
>> >> on ARM and provided you give it the correct information - and set it up
>> >> early enough (in init_early) you will not have any sched_clock() wraps.
>> >> This is because a timer will be set to automatically update things
>> >> before any wrap occurs.
>> Good to know that there is already support available to avoid clocksource
>> wraparound. Could you point me to the code in kernel tree where this
>> infrastructure is located and some sample code that implements it?
>> linux-arm-kernel mailing list
>> linux-arm-kernel at lists.infradead.org
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