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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BL0PR11MB2948.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3e46518a-44dc-4e63-acde-08d90af70914 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Apr 2021 10:10:37.3876 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: wTEsUq/h3QX3j1Y/6wakvgCEQQH8tDVkzdwYnHGmJpTzHZM2eYZFKr70zkizC2xkhOx/X7tzBqnoA0Ffgm6mVw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB4413 X-OriginatorOrg: intel.com X-Mailman-Approved-At: Mon, 03 May 2021 14:58:53 +0200 Subject: Re: [dpdk-users] Hyper-threaded cores X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions <users.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/users>, <mailto:users-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/users/> List-Post: <mailto:users@dpdk.org> List-Help: <mailto:users-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/users>, <mailto:users-request@dpdk.org?subject=subscribe> Errors-To: users-bounces@dpdk.org Sender: "users" <users-bounces@dpdk.org> Thanks Stephen - this is what I was looking for. One more thing: Is there a chance to put such implementation in rte_power a= nd make an API call for it? Thanks, Maciek -----Original Message----- From: Stephen Hemminger <stephen@networkplumber.org>=20 Sent: Friday, April 23, 2021 6:56 PM To: Szwed, Maciej <maciej.szwed@intel.com> Cc: users@dpdk.org Subject: Re: [dpdk-users] Hyper-threaded cores On Thu, 22 Apr 2021 08:19:34 +0000 "Szwed, Maciej" <maciej.szwed@intel.com> wrote: > Hi, > I'm wondering if there is any way to get information in DPDK which cores = are hyper-threaded siblings. I would need that information when I'm using r= te_power for changing cores frequencies. >=20 > Thanks, > Maciek Look at the DPDK cpu-layout script?