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 <[email protected]>
Applied to arm/tegra, thanks.
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