From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dario Faggioli Subject: Re: RTDS with extra time issue Date: Fri, 09 Feb 2018 16:18:47 +0100 Message-ID: <1518189527.5019.28.camel@suse.com> References: <762ccb02-b758-1636-fddc-f4e6a3ca19d0@epam.com> <1518182334.5019.15.camel@suse.com> <39c08b88-c951-2779-34f6-31e4b6c0dd0f@epam.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============7634168045984626239==" Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ekASB-0000io-1E for xen-devel@lists.xenproject.org; Fri, 09 Feb 2018 15:19:07 +0000 In-Reply-To: <39c08b88-c951-2779-34f6-31e4b6c0dd0f@epam.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Andrii Anisov Cc: xen-devel , Meng Xu List-Id: xen-devel@lists.xenproject.org --===============7634168045984626239== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-s5SiZt6hSbqNzdXxiKhX" --=-s5SiZt6hSbqNzdXxiKhX Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2018-02-09 at 17:03 +0200, Andrii Anisov wrote: > > If DomR is not able to get its share, then we have an issue/bug in > > the > > scheduler. If it does, then the scheduler is doing its job, and the > > issue may be somewhere else (e.g., something inside the guest may > > eat > > some of the budget, in such a way that not all of it is available > > when > > you actually need it). >=20 > The DomR guest is really lean, I already shown processes list in it. > I=20 > really doubt init together with getty on HVC can eat another 10% of > CPU=20 > at any moment. >=20 So, I'm a little bit in a hurry now, and I'll reply better later (or on Monday). But for now, just to understand things better, can you enable extratime for DomR as well, and report what you see in xentop, and whether or not you still see deadline misses? Regards, Dario --=20 <> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Software Engineer @ SUSE https://www.suse.com/ --=-s5SiZt6hSbqNzdXxiKhX Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEES5ssOj3Vhr0WPnOLFkJ4iaW4c+4FAlp9u9cACgkQFkJ4iaW4 c+6PWQ//ZY8m4iwxwLKsxwgOztUSvxPO5s4+LwWPJtMtJTWMk22lS9YuOUa0B5az 79eLn05Nmy1CFqVLLSC1/0pX3VnmPTNYcndOeB3mJgPtiwU9mG6DATS43Jl2+QUc yWPp/9Yhnoxsql3ZJ3Vg0Ghr3wVq2KnINFyEScD6a1HDZuKRzeKQ7PWEEjVhgF3l 01nYtBEQfpBpnhi0c2s9cB6+FGhfqQ5Id6NW/xCkgQpahZ2RIOhreAe1H6qC8VsU RWY/n7ePQgl33nPLGA1/FB4O7Ur6qczc8yj3UxTyZJsmYEqV1z0dwm5jS+WpmMv2 lHeXCHdZuTDchHCU8bFitxJccv0nN85SlGYnLtoo8pUR+MEoRNeB8NziMhZLlNt4 dR4IrgamBb7IKcDyfeecrZONYZjkIuN9SD4YdXGNj1z3prYJohRKrvU0LlW805ga bjHqszxPeEU+AsE4HX4ldi0ISHccrvZ9RZB+XpNEK0xFB4j+X8EK347UTOAsV0M9 kTyuTcJFditrVIr3Fk0TNWpubCqXsOzabKUBAYowkb9IjC27M0qpvriJuD91pFU/ NF8PO0FqBTZsQyxyjlyRrFpiMT1ill+3Rw5rk/i77g7OHqLkYyrMOyuCQjilRo0D p51KS4YirkmaGSV6fmBBPAY6EPuzZHgEDG4xXK+4Nhl7JDT1dbY= =0jLx -----END PGP SIGNATURE----- --=-s5SiZt6hSbqNzdXxiKhX-- --===============7634168045984626239== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA== --===============7634168045984626239==--