[Xen-devel] SEDF parameters dont work ?

To:	xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-devel] SEDF parameters dont work ?
From:	"Devdutt Patnaik" <xendevid@xxxxxxxxx>
Date:	Mon, 7 Jul 2008 20:04:03 -0400
Cc:
Delivery-date:	Mon, 07 Jul 2008 17:04:28 -0700
Dkim-signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:mime-version:content-type; bh=qTVpR7IHGvf7RqltrbI+5W7j8vejb+Ad8bl+Si7NZ/w=; b=oJl6blkRob/CTqVX9lgmyhpgr5SDMkrq/H4UPi2pzgGTIMTK0g5f93U4BiYhZXszJ8 lSEqPMyVWHxiZiUoxDBMcRXmpI1OE6SJn6qixcscY7E5Zodkd5ZgpQAPqcuRmVcqFbyo 0JH0qb5n54QPwMlSiD4Huqqlnw1LOu4Ep1RW8=
Domainkey-signature:	a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type; b=HcdcUloUeji0/g38FePbiqhjeX6YFWTd/f+nP8fn/m/DPhphLgzP/37oM+GnN/AJIo 4SnE7cJb5rgx9oCbG2MnDuFFXECKdnB7o7ZkS0U3yKJXk9qA4rpipL7Fkum2K/pAI6lV jvEh/wrwSTjV6DtDDWTSzshaswxhvSBhTIhYk=
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx

Hi,

I tried using simple weights for setting up the sedf scheduler on Xen 3.1 :

[root@mve4 ~]# xm dmesg | grep -i sched
(XEN) Command line: /xen.gz-2.6.18-53.el5 maxcpus=4 sched=sedf com1=115200,8n1 console=com1,vga
(XEN) Using scheduler: Simple EDF Scheduler (sedf)
[root@mve4 ~]# xm sched-sedf Domain-0 -w 2
[root@mve4 ~]# xm sched-sedf vm01 -w 2
[root@mve4 ~]# xm sched-sedf vm02 -w 1
[root@mve4 ~]# xm sched-sedf vm03 -w 1
[root@mve4 ~]# xm sched-sedf vm04 -w 1
[root@mve4 ~]# xm sched-sedf vm05 -w 1
[root@mve4 ~]# xm sched-sedf vm06 -w 1
[root@mve4 ~]# xm sched-sedf
Name                              ID Period(ms) Slice(ms) Lat(ms) Extra Weight
Domain-0                          -1      -0.0      -0.0    -0.0     -1     -1
vm01                              -1      -0.0      -0.0    -0.0     -1     -1
vm02                              -1      -0.0      -0.0    -0.0     -1     -1
vm03                              -1      -0.0      -0.0    -0.0     -1     -1
vm04                              -1      -0.0      -0.0    -0.0     -1     -1
vm05                              -1      -0.0      -0.0    -0.0     -1     -1
vm06                              -1      -0.0      -0.0    -0.0     -1     -1
[root@mve4 ~]# xm sched-sedf vm01
Name                              ID Period(ms) Slice(ms) Lat(ms) Extra Weight
vm01                              -1      -0.0      -0.0    -0.0     -1     -1

I see that the output doesnt show me the correct values that I passed. All values are -ve ( 0 or 1 ).
Is this the correct way to set these values ? Am I missing something ?

I also managed to kill all VMs while playing around with different values of the slice and period.
Any ideas on why this is happening ?

Thanks,
Devdutt.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

WARNING - OLD ARCHIVES

xen-users

[Xen-devel] SEDF parameters dont work ?