Re: [v2 1/1] iommu/tegra: smmu: debugfs for TLB/PTC statistics

[Joerg Roedel <joerg.roedel-5C7GfCeVMHo@public.gmane.org>]

On Thu, Aug 02, 2012 at 11:46:40AM +0300, Hiroshi Doyu wrote:
> Add debugfs entries to collect TLB/PTC statistics.
> 
>   $ echo "reset" > /sys/kernel/debug/smmu/mc/{tlb,ptc}
>   $ echo "on" > /sys/kernel/debug/smmu/mc/{tlb,ptc}
>   $ echo "off" > /sys/kernel/debug/smmu/mc/{tlb,ptc}
>   $ cat /sys/kernel/debug/smmu/mc/{tlb,ptc}
>   hit:0014910c miss:00014d22
> 
>   The above format is:
>   hit:<HIT count><SPC>miss:<MISS count><SPC><CR+LF>
> 
>   fscanf(fp, "hit:%lx miss:%lx", &hit, &miss);
> 
> Signed-off-by: Hiroshi Doyu <hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>

Applied to arm/tegra, thanks.

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