From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dario Faggioli Subject: Re: [PATCH v2 3/3] xen: Remove buggy initial placement algorithm Date: Tue, 26 Jul 2016 11:14:25 +0200 Message-ID: <1469524465.32102.0.camel@citrix.com> References: <1469460493-18842-1-git-send-email-george.dunlap@citrix.com> <1469460493-18842-3-git-send-email-george.dunlap@citrix.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============5715118776113609594==" Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bRyRi-0001tL-4i for xen-devel@lists.xenproject.org; Tue, 26 Jul 2016 09:14:38 +0000 In-Reply-To: <1469460493-18842-3-git-send-email-george.dunlap@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: George Dunlap , xen-devel@lists.xenproject.org Cc: Stefano Stabellini , Wei Liu , Andrew Cooper , Anshul Makkar , Ian Jackson , Tim Deegan , Meng Xu , Jan Beulich List-Id: xen-devel@lists.xenproject.org --===============5715118776113609594== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="=-V+vcwfMW/fJtwnD5XOyl" --=-V+vcwfMW/fJtwnD5XOyl Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2016-07-25 at 16:28 +0100, George Dunlap wrote: > The initial placement algorithm sometimes picks cpus outside of the > mask it's given, does a lot of unnecessary bitmasking, does its own > separate load calculation, and completely ignores vcpu hard and soft > affinities.=C2=A0=C2=A0Just get rid of it and rely on the schedulers to d= o > initial placement. >=20 > Signed-off-by: George Dunlap > Reviewed-by: Dario Faggioli Regards, Dario --=20 <> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK) --=-V+vcwfMW/fJtwnD5XOyl Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJXlynyAAoJEBZCeImluHPupiYP/03wToSO8PM1AiW5b90If2t2 xk+EU+wf/tethlspGglHj1U/fzUBa/uWTDv0Rw75j/BV1P5j7b+r0xZXEwinMHKr GsuZENe4Eq+wNABGa+me0irVSyoo60N1NkUKnvIMXJ6qdWJFyQKpMEkBYnB+ukuI iq7mWtuoz5C4JbYBphf8IO+dIkSiE1G307VukOmKoepusGeEjOacgTnohUM6M2lE QTKus4rKK7gNs12KgSCyBXIbYN55pK0gNTvjMDz3GJh3MFGEtZZLRmW6m9gkyx+1 roU1YfGU6rQzX5rOQANeSchnSqKEyAVQ7sp4e3W80ARIFd+biAWJGJMhktWWt9GM heTrOTa2dKb2o+lLyDKLSndYk6uebfjFt6o9sOVNYolGsXWH7mgE0xVd28jqLOq5 1recSx6THdGBOjRPIt++bYlTwc7A39jRMwMFKGgOQzAjAfAJ3iIz0teUVykm6csb /ck0RitudHx9mDERLPq7LTgbYdgRISsQOkOTkMKPyNFzCXCv0UmOyCDA1kJy3gX2 gkiZXGez5FyYuqv5vfLkITaK16gtS7muVGiMffYesbx1C4hRuXcXv5ZMXGJST0OI L0y7orwIoeXgxUwkt06/l8RbqYKYl+88E9JWTd0NFutpoq8YcbuJKRpix4FEA8UC dCV36YZoZppzGbNyHDr3 =AwP4 -----END PGP SIGNATURE----- --=-V+vcwfMW/fJtwnD5XOyl-- --===============5715118776113609594== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5v cmcveGVuLWRldmVsCg== --===============5715118776113609594==--