linux-kernel - Re: Not able to use HIGH_RES

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Date:	Sat, 24 Mar 2012 12:36:44 +0530
From:	Ajeet Yadav <ajeet.yadav.77@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	John Stultz <john.stultz@...aro.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: Not able to use HIGH_RES_TIMERS on ARM

On Fri, Mar 23, 2012 at 7:58 PM, Steven Rostedt <rostedt@...dmis.org> wrote:
> On Fri, 2012-03-23 at 14:40 +0530, Ajeet Yadav wrote:
>
>> linux-3.0.20/kernel/trace/Kconfig
>> linux-3.0.20-dirty/kernel/trace/Kconfig
>> --- linux-3.0.20/kernel/trace/Kconfig   2012-02-06 23:01:45.000000000 +0530
>> +++ linux-3.0.20-dirty/kernel/trace/Kconfig     2012-03-19
>> 18:21:41.000000000 +0530
>> @@ -173,7 +173,6 @@ config IRQSOFF_TRACER
>>        bool "Interrupts-off Latency Tracer"
>>        default n
>>        depends on TRACE_IRQFLAGS_SUPPORT
>> -       depends on !ARCH_USES_GETTIMEOFFSET
>>        select TRACE_IRQFLAGS
>>        select GENERIC_TRACER
>>        select TRACER_MAX_TRACE
>> @@ -195,7 +194,6 @@ config IRQSOFF_TRACER
>>  config PREEMPT_TRACER
>>        bool "Preemption-off Latency Tracer"
>>        default n
>> -       depends on !ARCH_USES_GETTIMEOFFSET
>>        depends on PREEMPT
>>        select GENERIC_TRACER
>>        select TRACER_MAX_TRACE
>
> A little history here.
>
> When I converted the irqsoff/preemptoff latency tracers from the
> original -rt patch (written by Ingo), these options originally had
> "depends on GENERIC_TIME". I just checked, and this goes at least back
> to 2.6.22.1-rt9 (long before ftrace).
>
> When I ported these to ftrace, I kept the dependencies. They probably
> are not needed and are only there for historical reasons.
>
> If this patch works fine for you, and that you are my only test case for
> this patch. I'd just say:
>
> Acked-by: Steven Rostedt <rostedt@...dmis.org>
>
> -- Steve
Hi Steve thanks for review, is their anything more I can do or shall I
consider this change as already submitted, thanks everyone for helping
me.
>
>
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