Re: Suggestion: Add ramp-up for rate testing.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 17 August 2012 16:25, Jens Axboe <axboe@xxxxxxxxx> wrote:
> On 08/16/2012 05:24 PM, Greg Sullivan wrote:
>> I suggest adding a ramp-up time parameter that can be used to prevent
>> the rate testing from occurring until the ramp-up time has passed.
>> This will more accurately model the throughput capacity of streaming
>> systems that have a pre-load buffer to ride over the initial cache
>> warm-up period.
>
> There's already a ramp time setting, and the rate will not be checked
> before that has passed. Not sure what extra setting you would like? A
> ramp time, and then a rate ramp time after that?
>

Thanks - that's exactly what I wanted, and I apologise for not reading
the manual (again). Note that I did scroll up and down a bit around
the rate related settings and didn't see anything related to ramping,
but I should have looked harder.

Regards,
Greg.
--
To unsubscribe from this list: send the line "unsubscribe fio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Kernel]     [Linux SCSI]     [Linux IDE]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux SCSI]

  Powered by Linux