Re: [PATCH 5/5] Add option to specify ramp period by amount of IO

Jan Kara <[email protected]> Thu, 18 Dec 2025 18:18:38 +0100
Newsgroups org.kernel.vger.fio
Message-ID <6gcxfhhqsiqfjujzp7ypro6keord7g7f4f3zhas7njmmxns4fh@kf32ewhwkbr2>
On Wed 17-12-25 15:56:00, Jens Axboe wrote:
> On 12/17/25 9:17 AM, Jan Kara wrote:
> > In some cases the ramp up period is not easy to define by amount of
> > time. This is for example a case of buffered writes measurement where we
> > want to start measuring only once dirty throttling kicks in. The time
> > until dirty throttling kicks in depends on dirty limit (easy to figure
> > out) and speed of writes to the page cache (difficult to know in
> > advance). Add option ramp_size which determines the ramp up period by
> > the amount of IO written (either by each job or by each group when group
> > reporting is enabled).
> 
> Looks fine, but needs cconv additions and bumping of the server version
> number or this won't work on client/server configurations.

Thanks for review. Fixed.

								Honza
-- 
Jan Kara <[email protected]>
SUSE Labs, CR