is there usb bandwidth mearing tool?

[Wan ZongShun]

HI loogy,

Maybe you can try Bonnie for getting your usb read/write rate.

http://www.garloff.de/kurt/linux/bonnie/

2009/6/9 Hendrik Sattler <post at hendrik-sattler.de>:
> Zitat von loody <miloody at gmail.com>:
>> When I drag files from/to usb flash on my ubuntu, I can see there is a file
>> operation dialog which tells me how fast it is right now.
>> Like 20Mbytes/s,etc.
>> How does ubuntu do that?
>
> I guess they just count the number of bytes accepted by write(),
> devided by the time from the start of the operation. All done in
> userspace. It doesn't necessarily mean that this is the rate that the
> data is written to disk.
>
> HS
>
>
>
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