Tracking flash IO activity?

valent.turkovic at valent.turkovic at
Sat May 16 13:41:53 PDT 2015

I have used iostat but it is not showing any changes on /dev/mtdblock5
which is mounted as /overlay jffs2 partition on this device I'm using.
I have also checked stats in /proc/diskstat, and they also only change
for /dev/mmcblk0p1 which is usb device, but not for any of
/dev/mtdblockX partitions.

> through fio and iostats , just starts an io through dd gets status through
> iostats, i have not used but i know.
> On Sun, May 17, 2015 at 1:51 AM, valent.turkovic at
> <valent.turkovic at> wrote:
>> Hi,
>> I'm using low cost devices like home wifi routers for few diy projects
>> using OpenWrt.
>> These devices use mtd partitions, but I don't have enough knowledge on
>> how to track IO activity, especially number of writes.
>> Can you please point me in the right direction? Thanks.
>> ______________________________________________________
>> Linux MTD discussion mailing list

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