Re: [PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-09-04 Thread Juri Lelli
Hi, On 03/09/14 10:18, Juri Lelli wrote: > Hi, > > On 03/09/14 07:49, Luca Abeni wrote: >> Hi, >> >> On 09/02/2014 11:45 PM, Henrik Austad wrote: >> [...] + On multiprocessor systems with global EDF scheduling (non partitioned + systems), a sufficient test for schedulability can not be

Re: [PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-09-04 Thread Juri Lelli
Hi, On 03/09/14 10:18, Juri Lelli wrote: Hi, On 03/09/14 07:49, Luca Abeni wrote: Hi, On 09/02/2014 11:45 PM, Henrik Austad wrote: [...] + On multiprocessor systems with global EDF scheduling (non partitioned + systems), a sufficient test for schedulability can not be based on the +

Re: [PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-09-03 Thread Juri Lelli
Hi, On 03/09/14 07:49, Luca Abeni wrote: > Hi, > > On 09/02/2014 11:45 PM, Henrik Austad wrote: > [...] >>> + On multiprocessor systems with global EDF scheduling (non partitioned >>> + systems), a sufficient test for schedulability can not be based on the >>> + utilisations (it can be shown

Re: [PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-09-03 Thread Luca Abeni
On 09/03/2014 09:48 AM, Henrik Austad wrote: On Wed, Sep 3, 2014 at 8:49 AM, Luca Abeni wrote: Hi, On 09/02/2014 11:45 PM, Henrik Austad wrote: [...] + On multiprocessor systems with global EDF scheduling (non partitioned + systems), a sufficient test for schedulability can not be based

Re: [PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-09-03 Thread Luca Abeni
Hi, On 09/02/2014 11:45 PM, Henrik Austad wrote: [...] + On multiprocessor systems with global EDF scheduling (non partitioned + systems), a sufficient test for schedulability can not be based on the + utilisations (it can be shown that task sets with utilisations slightly + larger than 1 can

Re: [PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-09-03 Thread Luca Abeni
Hi, On 09/02/2014 11:45 PM, Henrik Austad wrote: [...] + On multiprocessor systems with global EDF scheduling (non partitioned + systems), a sufficient test for schedulability can not be based on the + utilisations (it can be shown that task sets with utilisations slightly + larger than 1 can

Re: [PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-09-03 Thread Luca Abeni
On 09/03/2014 09:48 AM, Henrik Austad wrote: On Wed, Sep 3, 2014 at 8:49 AM, Luca Abeni luca.ab...@unitn.it wrote: Hi, On 09/02/2014 11:45 PM, Henrik Austad wrote: [...] + On multiprocessor systems with global EDF scheduling (non partitioned + systems), a sufficient test for

Re: [PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-09-03 Thread Juri Lelli
Hi, On 03/09/14 07:49, Luca Abeni wrote: Hi, On 09/02/2014 11:45 PM, Henrik Austad wrote: [...] + On multiprocessor systems with global EDF scheduling (non partitioned + systems), a sufficient test for schedulability can not be based on the + utilisations (it can be shown that task sets

Re: [PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-09-02 Thread Henrik Austad
On Thu, Aug 28, 2014 at 11:00:28AM +0100, Juri Lelli wrote: > From: Luca Abeni > > Admission control is of key importance for SCHED_DEADLINE, since it guarantees > system schedulability (or tells us something about the degree of guarantees > we can provide to the user). > > This patch improves

Re: [PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-09-02 Thread Henrik Austad
On Thu, Aug 28, 2014 at 11:00:28AM +0100, Juri Lelli wrote: From: Luca Abeni luca.ab...@unitn.it Admission control is of key importance for SCHED_DEADLINE, since it guarantees system schedulability (or tells us something about the degree of guarantees we can provide to the user). This

[PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-08-28 Thread Juri Lelli
From: Luca Abeni Admission control is of key importance for SCHED_DEADLINE, since it guarantees system schedulability (or tells us something about the degree of guarantees we can provide to the user). This patch improves and clarifies bits and pieces regarding AC, both for UP and SMP systems.

[PATCH v3 3/4] Documentation/scheduler/sched-deadline.txt: improve and clarify AC bits

2014-08-28 Thread Juri Lelli
From: Luca Abeni luca.ab...@unitn.it Admission control is of key importance for SCHED_DEADLINE, since it guarantees system schedulability (or tells us something about the degree of guarantees we can provide to the user). This patch improves and clarifies bits and pieces regarding AC, both for UP