Re: [PATCH] sched: move CONFIG_IRQ_TIME_ACCOUNTING to common code

[Yong Zhang <yong.zhang0@gmail.com>]

On Wed, Feb 01, 2012 at 11:19:49AM +0400, Dmitry Antipov wrote:
> Since CONFIG_IRQ_TIME_ACCOUNTING is architecture-agnostic,
> move it from x86 area to common code.

IIRC, it's x86 dependent now.

Thanks,
Yong

> 
> Signed-off-by: Dmitry Antipov <dmitry.antipov@linaro.org>
> ---
>  arch/x86/Kconfig  |   11 -----------
>  lib/Kconfig.debug |   11 +++++++++++
>  2 files changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 5bed94e..4759676 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -805,17 +805,6 @@ config SCHED_MC
>  	  making when dealing with multi-core CPU chips at a cost of slightly
>  	  increased overhead in some places. If unsure say N here.
>  
> -config IRQ_TIME_ACCOUNTING
> -	bool "Fine granularity task level IRQ time accounting"
> -	default n
> -	---help---
> -	  Select this option to enable fine granularity task irq time
> -	  accounting. This is done by reading a timestamp on each
> -	  transitions between softirq and hardirq state, so there can be a
> -	  small performance impact.
> -
> -	  If in doubt, say N here.
> -
>  source "kernel/Kconfig.preempt"
>  
>  config X86_UP_APIC
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index 8745ac7..d6d7afc 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -299,6 +299,17 @@ config SCHEDSTATS
>  	  application, you can say N to avoid the very slight overhead
>  	  this adds.
>  
> +config IRQ_TIME_ACCOUNTING
> +	bool "Fine granularity task level IRQ time accounting"
> +	default n
> +	---help---
> +	  Select this option to enable fine granularity task irq time
> +	  accounting. This is done by reading a timestamp on each
> +	  transitions between softirq and hardirq state, so there can be a
> +	  small performance impact.
> +
> +	  If in doubt, say N here.
> +
>  config TIMER_STATS
>  	bool "Collect kernel timers statistics"
>  	depends on DEBUG_KERNEL && PROC_FS
> -- 
> 1.7.7.6
> 
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