* Henrik Austad wrote:
> On Thu, Apr 09, 2015 at 12:11:25PM +0200, Peter Zijlstra wrote:
> > On Thu, Apr 09, 2015 at 12:08:36PM +0200, Luca Abeni wrote:
> > > On 04/09/2015 11:44 AM, Peter Zijlstra wrote:
> > > >On Thu, Apr 09, 2015 at 11:39:08AM +0200, Henrik Austad wrote:
> > > >>>+ CPUs, with
On Thu, Apr 09, 2015 at 12:05:54PM +0200, Luca Abeni wrote:
> Hi Henrik,
> [..]
> >>+ where U_max = max_i {WCET_i / P_i}[10]. Notice that for U_max = 1,
> >>+ M - (M - 1) ยท U_max becomes M - M + 1 = 1 and this schedulability
> >>condition
> >>+ just confirms the Dhall's effect. A more complete su
On Thu, Apr 09, 2015 at 12:11:25PM +0200, Peter Zijlstra wrote:
> On Thu, Apr 09, 2015 at 12:08:36PM +0200, Luca Abeni wrote:
> > On 04/09/2015 11:44 AM, Peter Zijlstra wrote:
> > >On Thu, Apr 09, 2015 at 11:39:08AM +0200, Henrik Austad wrote:
> > >>>+ CPUs, with the first M - 1 tasks having a smal
On Thu, Apr 09, 2015 at 12:08:36PM +0200, Luca Abeni wrote:
> On 04/09/2015 11:44 AM, Peter Zijlstra wrote:
> >On Thu, Apr 09, 2015 at 11:39:08AM +0200, Henrik Austad wrote:
> >>>+ CPUs, with the first M - 1 tasks having a small worst case execution time
> >>>+ WCET_i=e and period equal to relative
On 04/09/2015 11:44 AM, Peter Zijlstra wrote:
On Thu, Apr 09, 2015 at 11:39:08AM +0200, Henrik Austad wrote:
+ CPUs, with the first M - 1 tasks having a small worst case execution time
+ WCET_i=e and period equal to relative deadline P_i=D_i=P-1. The last task
Normally, 'e' is used to denote a
Hi Henrik,
On 04/09/2015 11:39 AM, Henrik Austad wrote:
[...]
- SCHED_DEADLINE can be used to schedule real-time tasks guaranteeing that
- the jobs' deadlines of a task are respected. In order to do this, a task
- must be scheduled by setting:
+ utilisations or densities: it can be shown that ev
On Thu, Apr 09, 2015 at 11:39:08AM +0200, Henrik Austad wrote:
> > + CPUs, with the first M - 1 tasks having a small worst case execution time
> > + WCET_i=e and period equal to relative deadline P_i=D_i=P-1. The last task
>
> Normally, 'e' is used to denote an _arbitrarily_ small value, and I sus
On Wed, Apr 08, 2015 at 01:59:40PM +0200, Luca Abeni wrote:
> Add a description of the Dhall's effect, some discussion about
> schedulability tests for global EDF, and references to real-time literature,
> ---
> Documentation/scheduler/sched-deadline.txt | 81
>
> 1
Hi Juri,
thanks for the review! I am fixing these issues locally.
Thanks,
Luca
On 04/09/2015 10:24 AM, Juri Lelli wrote:
On 08/04/15 12:59, Luca Abeni wrote:
Add a description of the Dhall's effect, some discussion about
schedulability
On 08/04/15 12:59, Luca Abeni wrote:
> Add a description of the Dhall's effect, some discussion about
> schedulability tests for global EDF, and references to real-time literature,
> ---
> Documentation/scheduler/sched-deadline.txt | 81
>
> 1 file changed, 71 inser
On Wed, Apr 08, 2015 at 01:59:40PM +0200, Luca Abeni wrote:
> + As seen, enforcing that the total utilisation is smaller than M does not
> + guarantee that global EDF schedules the tasks without missing any deadline
> + (in other words, global EDF is not an optimal scheduling algorithm).
> However
Add a description of the Dhall's effect, some discussion about
schedulability tests for global EDF, and references to real-time literature,
---
Documentation/scheduler/sched-deadline.txt | 81
1 file changed, 71 insertions(+), 10 deletions(-)
diff --git a/Documentat
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