Thanks for the help guys, that worked.
John
-----Original Message-----
From: Tim Freeman [mailto:tfreeman@xxxxxxxxxxx]
Sent: Thursday, April 06, 2006 5:24 PM
To: John Cianfarani
Cc: xen-users@xxxxxxxxxxxxxxxxxxx; amitayudas@xxxxxxxxx
Subject: Re: [Xen-users] Questions about sedf scheduler
On Thu, 6 Apr 2006 16:01:38 -0400
"John Cianfarani" <jcianfarani@xxxxxxxxxx> wrote:
> How does one go about building sedf.c. I tried several gcc options but
I
> keep gettings errors.
Try:
cc -lxenctrl -o sedf_dump sedf_dump.c
But I think it is not working correctly now, I get slice/weight = 0 for
all
domains which is not right.
Tim
>
>
>
> Thanks
>
> John
>
>
>
> ________________________________
>
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Amitayu
Das
> Sent: Tuesday, March 28, 2006 2:54 PM
> To: xen-users
> Subject: [Xen-users] Questions about sedf scheduler
>
>
>
> Hi,
>
> Diwaker had provided a program sedf.c on Jan30 to obtain the
parameters
> for sedf scheduler
> (please check
>
http://lists.xensource.com/archives/html/xen-users/2006-01/msg01228.html
> ).
>
> In my setup, I'd two DomUs and Dom0 was running. I got the following
> output while running the program:
>
> # ./sedf
> Domina#0: slice = 15000000, period = 20000000, extratime = 1, latency
=
> 0, weight = 0
> Domina#18: slice = 0, period = 100000000, extratime = 1, latency = 0,
> weight = 0
> Domina#19: slice = 0, period = 100000000, extratime = 1, latency = 0,
> weight = 0
>
> I did not understand few things and would appreciate very much if
> someone can clarify the following doubts:
>
> 1. Why the period-length is different for Dom0 and DomU's?
>
> 2. Does period-length mean the total time within which *all* domains
are
> supposed to be scheduled *at least once*?
> What does it mean exactly? What does slice-length mean exactly?
>
> 3. Can a domU have a slice-length as 0? If so, how can it be
scheduled?
> I presume that value of extratime flag will make it scheduled, if set.
> Please clarify.
>
> 4. If extratime flag was not set, do we need to set non-zero
> slice-length explicitly to schedule a DomU?
>
> Thanks in advance
> ,
> Amitayu
>
>
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