From xiao-lei.shi at hp.com Wed May 21 22:15:53 2014 Content-Type: multipart/mixed; boundary="===============8827928258515697117==" MIME-Version: 1.0 From: Shi, Xiao-Lei (Bruce, HP Servers-PSC-CQ) To: devel at ovirt.org Subject: [ovirt-devel] [Bug fix of NUMA feature] Add vNode run in pNode runtime information Date: Thu, 22 May 2014 02:13:03 +0000 Message-ID: <08AA403C8399104A89AF710307FA78AE24411BD5@G5W2717.americas.hpqcorp.net> --===============8827928258515697117== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable --_000_08AA403C8399104A89AF710307FA78AE24411BD5G5W2717americas_ Content-Type: text/plain; charset=3D"us-ascii" Content-Transfer-Encoding: quoted-printable Hi all, I'm working on the NUMA feature of oVirt. The feature is already merged in oVirt 3.5.0 alpha 1. Currently, it only ha= =3D s the virtual numa node (vNode) pin to host numa node(pNode) information wh= =3D ich is configured by user. We plan to collect the runtime information from = =3D vdsm that vNode run in which pNodes. Since this information is dynamic and = =3D changes more often, we want to let this information reported in the process= =3D of vm stats report. According to the above requirement, we will do the following development in= =3D both engine and vdsm: Vdsm side: 1. In vm module, we will add a function to collect and calculate the = =3D real-time information that vNode run in pNodes. From caps module, we can ge= =3D t the cpu mapping information of each pNode; from vm conf, we can get the v= =3D cpu mapping information of each vNode; from libvirt api, we can get each vc= =3D pu run in which physical cpu runtime. According to the information, we can = =3D calculate the vNode run in pNodes information runtime. 2. Add a key in vm stat map to hold the information and report it to = =3D engine. Engine side: 1. Currently we have the structure to store the vNode run in pNode in= =3D formation. In the structure, we have a field "ispinned" to represent if the= =3D vNode is configured by user to pin to the pNode, or it is runtime run in t= =3D he pNode. Now we only need to parse the reported information from vdsm and = =3D update it in db. We will open a bug to implement the requirement and merge it into 3.5.0. Any comments and suggestions are welcome. Thanks & Best Regards Shi, Xiao-Lei (Bruce) Hewlett-Packard Co., Ltd. HP Servers Core Platform Software China Telephone +86 23 65683093 Mobile +86 18696583447 Email xiao-lei.shi(a)hp.com --_000_08AA403C8399104A89AF710307FA78AE24411BD5G5W2717americas_ Content-Type: text/html; charset=3D"us-ascii" Content-Transfer-Encoding: quoted-printable

Hi all,

I’m working on the NUMA feature of oVirt.=3D

The feature is already merged in oVirt 3.5.0 alpha= 1=3D . Currently, it only has the virtual numa node (vNode) pin to host numa nod= =3D e(pNode) information which is configured by user. We plan to collect the ru= =3D ntime information from vdsm that vNode run in which pNodes. Since this information is dynamic and changes more of= =3D ten, we want to let this information reported in the process of vm stats re= =3D port.

According to the above requirement, we will do the= f=3D ollowing development in both engine and vdsm:

Vdsm side:

1. = ;&=3D nbsp; In vm module, we will add a function to collect and= =3D calculate the real-time information that vNode run in pNodes. From caps mo= =3D dule, we can get the cpu mapping information of each pNode; from vm conf, w= =3D e can get the vcpu mapping information of each vNode; from libvirt api, we can get each vcpu run in which physica= =3D l cpu runtime. According to the information, we can calculate the vNode run= =3D in pNodes information runtime.

2. = ;&=3D nbsp; Add a key in vm stat map to hold the information an= =3D d report it to engine.

Engine side:

1. = ;&=3D nbsp; Currently we have the structure to store the vNode = =3D run in pNode information. In the structure, we have a field “ispinned= =3D ” to represent if the vNode is configured by user to pin to the pNode= =3D , or it is runtime run in the pNode. Now we only need to parse the reported information from vdsm and update it in db.= =3D

We will open a bug to implement the requirement an= d =3D merge it into 3.5.0.

Any comments and suggestions are welcome.

Thanks & Best Regards

Shi, Xiao-Lei (Bruce)

Hewlett-Packard Co., Ltd.
HP Servers Core Platform Software China

Telephone += 86=3D 23 65683093

Mobile +86 18696583447<=3D /span>

Email xiao-lei.shi(a)hp.com<= /p>

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--===============8827928258515697117==-- From S.Kieske at mittwald.de Thu May 22 03:21:50 2014 Content-Type: multipart/mixed; boundary="===============0411304916875916393==" MIME-Version: 1.0 From: Sven Kieske To: devel at ovirt.org Subject: Re: [ovirt-devel] [Bug fix of NUMA feature] Add vNode run in pNode runtime information Date: Thu, 22 May 2014 07:20:01 +0000 Message-ID: <537DA589.8000100@mittwald.de> In-Reply-To: 08AA403C8399104A89AF710307FA78AE24411BD5@G5W2717.americas.hpqcorp.net --===============0411304916875916393== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable afaik you should not directly call libvirt api but use the vdsm api? but someone with more insight into vdsm can provide better information than me. Am 22.05.2014 04:13, schrieb Shi, Xiao-Lei (Bruce, HP Servers-PSC-CQ): > from libvirt api, we can get each vcpu run in which physical cpu runtime -- = Mit freundlichen Gr=C3=BC=C3=9Fen / Regards Sven Kieske Systemadministrator Mittwald CM Service GmbH & Co. KG K=C3=B6nigsberger Stra=C3=9Fe 6 32339 Espelkamp T: +49-5772-293-100 F: +49-5772-293-333 https://www.mittwald.de Gesch=C3=A4ftsf=C3=BChrer: Robert Meyer St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen Komplement=C3=A4rin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynh= ausen --===============0411304916875916393==-- From xiao-lei.shi at hp.com Thu May 22 04:57:29 2014 Content-Type: multipart/mixed; boundary="===============7661472217715813048==" MIME-Version: 1.0 From: Shi, Xiao-Lei (Bruce, HP Servers-PSC-CQ) To: devel at ovirt.org Subject: Re: [ovirt-devel] [Bug fix of NUMA feature] Add vNode run in pNode runtime information Date: Thu, 22 May 2014 08:55:57 +0000 Message-ID: <08AA403C8399104A89AF710307FA78AE24412CBE@G5W2717.americas.hpqcorp.net> In-Reply-To: 537DA589.8000100@mittwald.de --===============7661472217715813048== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Actually we don't directly call libvirt api, we call it from the wrapped li= bvirtconnection like other functions do in vdsm. Thanks & Best Regards Shi, Xiao-Lei (Bruce) Hewlett-Packard Co., Ltd. HP Servers Core Platform Software China = Telephone +86 23 65683093 Mobile +86 18696583447 Email xiao-lei.shi(a)hp.com -----Original Message----- From: devel-bounces(a)ovirt.org [mailto:devel-bounces(a)ovirt.org] On Behal= f Of Sven Kieske Sent: Thursday, May 22, 2014 3:20 PM To: devel(a)ovirt.org Subject: Re: [ovirt-devel] [Bug fix of NUMA feature] Add vNode run in pNode= runtime information afaik you should not directly call libvirt api but use the vdsm api? but someone with more insight into vdsm can provide better information than= me. Am 22.05.2014 04:13, schrieb Shi, Xiao-Lei (Bruce, HP Servers-PSC-CQ): > from libvirt api, we can get each vcpu run in which physical cpu = > runtime -- Mit freundlichen Gr=C3=BC=C3=9Fen / Regards Sven Kieske Systemadministrator Mittwald CM Service GmbH & Co. KG K=C3=B6nigsberger Stra=C3=9Fe 6 32339 Espelkamp T: +49-5772-293-100 F: +49-5772-293-333 https://www.mittwald.de Gesch=C3=A4ftsf=C3=BChrer: Robert Meyer St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen Komplement=C3=A4rin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynh= ausen _______________________________________________ Devel mailing list Devel(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/devel --===============7661472217715813048==--