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

[José Vázquez]

Try iostat (selectable in busybox). Maybe is what are you looking for.

2015-05-17 0:40 GMT+02:00, valent.turkovic at gmail.com
<valent.turkovic at gmail.com>:
> Here is some interesting info I found using mtdinfo tool:
>
> # mtdinfo /dev/mtd5
> mtd5
> Name:                           rootfs_data
> Type:                           nor
> Eraseblock size:                65536 bytes, 64.0 KiB
> Amount of eraseblocks:          104 (6815744 bytes, 6.5 MiB)
> Minimum input/output unit size: 1 byte
> Sub-page size:                  1 byte
> Character device major/minor:   90:10
> Bad blocks are allowed:         false
> Device is writable:             true
>
> So I see there are 104 eraseblocks on this partition. Interesting so
> see finaly some numbers. Now how to see how many times these
> eraseblock were issued "erase eraseblock" command?
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