Re: Question about the 'bw' field in the fio output

[Vincent Fu]

On 7/13/23 11:43, richard clark wrote:
> Hi,
>
> I found that sometimes the fio command will have an additional 'bw'
> field as below:
> ...
> clat percentiles (usec):
>    |  1.00th=[.  51]...
> bw (  KiB/s): min=45689, max=49753, per=100.00%, avg=49658.56,
> stdev=89.23, samples =5
> iops            : min=.....
> ...
>
> Please there is a line beginning with 'bw (  KiB/s)...', but sometimes
> the 'bw' line doesn't show, does anybody know the reasons?
>
> Thanks.

See:

https://lore.kernel.org/fio/7b2f76ca-42bb-dc73-dd07-2cc79729ecb0@xxxxxxxxx/T/#t

https://github.com/vincentkfu/fio-blog/wiki/Periodic-performance-measurements