From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Dunlap Subject: Re: [PATCH v3 4/4] xl: introduce rtds scheduler Date: Thu, 18 Sep 2014 17:35:23 +0100 Message-ID: <541B09CB.9070101@eu.citrix.com> References: <1410730649-2417-1-git-send-email-mengxu@cis.upenn.edu> <1410730649-2417-5-git-send-email-mengxu@cis.upenn.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1410730649-2417-5-git-send-email-mengxu@cis.upenn.edu> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Meng Xu , xen-devel@lists.xen.org Cc: ian.campbell@citrix.com, xisisu@gmail.com, stefano.stabellini@eu.citrix.com, lu@cse.wustl.edu, dario.faggioli@citrix.com, ian.jackson@eu.citrix.com, ptxlinh@gmail.com, xumengpanda@gmail.com, JBeulich@suse.com, chaowang@wustl.edu, lichong659@gmail.com, dgolomb@seas.upenn.edu List-Id: xen-devel@lists.xenproject.org On 09/14/2014 10:37 PM, Meng Xu wrote: > Add xl command for rtds scheduler > Note: VCPU's parameter (period, budget) is in microsecond (us). > > Signed-off-by: Meng Xu > Signed-off-by: Sisu Xi Minor thing: > --- > docs/man/xl.pod.1 | 35 +++++++++++++ > tools/libxl/xl.h | 1 + > tools/libxl/xl_cmdimpl.c | 121 +++++++++++++++++++++++++++++++++++++++++++++ > tools/libxl/xl_cmdtable.c | 8 +++ > 4 files changed, 165 insertions(+) > > diff --git a/docs/man/xl.pod.1 b/docs/man/xl.pod.1 > index 9d1c2a5..4c87292 100644 > --- a/docs/man/xl.pod.1 > +++ b/docs/man/xl.pod.1 > @@ -1035,6 +1035,41 @@ Restrict output to domains in the specified cpupool. > > =back > > +=item B [I] > + > +Set or get rtds (Real Time Deferrable Server) scheduler parameters. > +This rt scheduler applies Preemptive Global Earliest Deadline First > +real-time scheduling algorithm to schedule VCPUs in the system. > +Each VCPU has a dedicated period and budget. > +VCPUs in the same domain have the same period and budget (in Xen 4.5). I think we normally don't include information about specific versions in the man pages included in that version; we just describe how that specific version works. (An exception might be something like, "Users upgrading from Xen N.M should...", but that wouldn't apply here.) Information about specific versions would be included in the wiki or other on-line howtos, which are meant to cover multiple versions. With that change: Reviewed-by: George Dunlap