[OpenWrt-Devel] How to track IO usage of internal flash mtd partitions?

valent.turkovic at gmail.com valent.turkovic at gmail.com
Fri May 29 17:50:07 EDT 2015

Awesome news Sergey,
will this patch be applied to latest trunk anytime soon so that I can test it?

Can you just briefly explain how will it be possible to track erase
block count once this patch is applied?


On 20 May 2015 at 08:38, Sergey Zakharchenko <doublef.mobile at gmail.com> wrote:
> Hello Valent,
> 2015-05-19 15:52 GMT+03:00 you wrote:
>> Is there maybe something that I have missed or there is no tool for
>> reading IO usage of mtd partitions?
> Without kernel support for this, it's not possible. However, yo're
> (possibly) in luck, as we use the following patch in new DLI power
> controllers to do what you probably want to do:
> http://sources.digital-loggers.com/patches/openwrt-aa-r42647/mtd_erasecount.patch
> It's supposed to work with OpenWrt AA (kernel 3.3). It's distributed
> together with the firmware sources, so consider it's under GPL.
> Keep in mind that few care about the write count, it's usually the
> erase count that matters.
> Best regards,
> --
> DoubleF
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