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

[richard clark]

The information is very very helpful, thank you Vincent !!

On Fri, Jul 14, 2023 at 12:44 AM Vincent Fu <vincentfu@xxxxxxxxx> wrote:
>
> 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