From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dario Faggioli Subject: Re: high CPU stolen time after live migrate Date: Tue, 3 Oct 2017 11:22:35 +0200 Message-ID: <1507022555.7835.4.camel@citrix.com> References: <1506962277.6552.25.camel@daevel.fr> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============9200951117682270329==" Return-path: In-Reply-To: <1506962277.6552.25.camel@daevel.fr> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Olivier Bonvalet , xen-users@lists.xensource.com Cc: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org --===============9200951117682270329== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="=-ZC8Ejjh+Td9142Ueev9c" --=-ZC8Ejjh+Td9142Ueev9c Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2017-10-02 at 18:37 +0200, Olivier Bonvalet wrote: > root! laussor:/proc# cat /proc/uptime=20 > 652005.23 2631328.82 >=20 >=20 > Values for "stolen time" in /proc/stat seems impossible with only 7 > days of uptime. >=20 I think it can be this: https://0xstubs.org/debugging-a-flaky-cpu-steal-time-counter-on-a-parav irtualized-xen-guest/ What's the version of your guest kernel? Dario --=20 <> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK) --=-ZC8Ejjh+Td9142Ueev9c 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+4FAlnTVtsACgkQFkJ4iaW4 c+4fvhAAyTWQAF0u3nclQvISmRnXSMBF4sGqO1JUTOlQ6EQrj/v7krO+vrifUMsZ uMZeejY6LsG71D3lLoVxRDHrj7UfaiD0hZa1VVtdzEQmDzP9UBnlK0ehrUsRRXAI 50dPPT224j4DlR8V5DhouM9OfnOmgPBhBLL6tHT4VJAlBto4KpyhIHb3wYdaRmqv 77yaZR0ZAao9B11/hxvsXMMRcVIKxZMyShNzWVeNUoEiP7w+5y6olrNrj8DHMvbH ghUW7+6SFFgh6fbRip762739KIBvNMkv+2H5aJ4SQCWIP8sab5kA4nGWVSosDd+p et13Z+iywA20u3A74UpWo0p9eVyNBMS1k4hJrYbGvvJ9RwvIZcIh7pernbp/cnoI ik6TjcSm74Uz6NTSb7EtxD/Pd5d1EGDel/8od/rqr6RdqCweAiIDSex02M1KFLRc JhAAAUKGL1c2YNXkQ0ilV7FfPPG6Uwu4umDA9fp/owlOoJres0opd+H4hw6seyvh hkfqlJ31LoZHaZCTXkrpUp0Aw4BcslzZviZKBELH+mAR7LxN4AFcEEpwTbWjeuWf gcwF9xFYUM7czM849IayQuAaZGIAdbHyajjOoVEyWfyadPkxum++XghKa1v4kkZS PBAZdCzuVLQRcpfAukbWz8gLmiocPj0W267CfkBFDKB65T7M0Nc= =zbTy -----END PGP SIGNATURE----- --=-ZC8Ejjh+Td9142Ueev9c-- --===============9200951117682270329== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5v cmcveGVuLWRldmVsCg== --===============9200951117682270329==--