test read and write speed in file

[Greg Freemyer]

"于运超" <wuyaalan at gmail.com> wrote:
>hi all,
>      how can i test read and wirte speed in a file in linux OS. the
>command dd provided how to test the speed of harddisk, i think dd can
>not
>accurate test the speed of file.what should i do ? which tool or
>software
>can do this .
>
A lot of kernel hackers use fio to create complex disk workloads.

The basic tool is command line, bit there is an optional gui front-end for it.

Greg
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Sent from my Android phone with K-9 Mail. Please excuse my brevity.