doval
> Cc: linux-scsi@vger.kernel.org; linux-ker...@vger.kernel.org; linux-
> bl...@vger.kernel.org; Christoph Hellwig; paolo.vale...@linaro.org
> Subject: Re: Device or HBA level QD throttling creates randomness in
> sequetial
> workload
>
> Hi,
>
> One guess would be that
Hi,
One guess would be that this isn't around a requeue condition, but
rather the fact that we don't really guarantee any sort of hard FIFO
behavior between the software queues. Can you try this test patch to see
if it changes the behavior for you? Warning: untested...
diff --git
vger.kernel.org; linux-
> > bl...@vger.kernel.org; ax...@kernel.dk; Christoph Hellwig;
> > paolo.vale...@linaro.org
> > Subject: Re: Device or HBA level QD throttling creates randomness in
> sequetial
> > workload
> >
> > On Mon, Oct 24, 2016 at 06:35:01PM +0530, Ka
lwig;
> paolo.vale...@linaro.org
> Subject: Re: Device or HBA level QD throttling creates randomness in
sequetial
> workload
>
> On Mon, Oct 24, 2016 at 06:35:01PM +0530, Kashyap Desai wrote:
> > >
> > > On Fri, Oct 21, 2016 at 05:43:35PM +0530, Kashyap Desai wrote:
>
On Mon, Oct 24, 2016 at 06:35:01PM +0530, Kashyap Desai wrote:
> >
> > On Fri, Oct 21, 2016 at 05:43:35PM +0530, Kashyap Desai wrote:
> > > Hi -
> > >
> > > I found below conversation and it is on the same line as I wanted some
> > > input from mailing list.
> > >
> > >
>
> On Fri, Oct 21, 2016 at 05:43:35PM +0530, Kashyap Desai wrote:
> > Hi -
> >
> > I found below conversation and it is on the same line as I wanted some
> > input from mailing list.
> >
> > http://marc.info/?l=linux-kernel=147569860526197=2
> >
> > I can do testing on any WIP item as Omar
Work load on HDD ?
>
> ` Kashyap
>
> > -Original Message-
> > From: Kashyap Desai [mailto:kashyap.de...@broadcom.com]
> > Sent: Thursday, October 20, 2016 3:39 PM
> > To: linux-scsi@vger.kernel.org
> > Subject: Device or HBA level QD throttling cr
r.kernel.org
> Subject: Device or HBA level QD throttling creates randomness in
sequetial
> workload
>
> [ Apologize, if you find more than one instance of my email.
> Web based email client has some issue, so now trying git send mail.]
>
> Hi,
>
> I am doing some performance tun
[ Apologize, if you find more than one instance of my email.
Web based email client has some issue, so now trying git send mail.]
Hi,
I am doing some performance tuning in MR driver to understand how sdev queue
depth and hba queue depth play role in IO submission from above layer.
I have 24
[ Apologize, if you find more than one instance of my email.
Web based email client has some issue, so now trying git send mail.]
Hi,
I am doing some performance tuning in MR driver to understand how sdev queue
depth and hba queue depth play role in IO submission from above layer.
I have 24
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