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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: DM4PR11MB5994.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: ad8cb3e3-eeae-4752-2278-08dae70512c1 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Dec 2022 05:50:20.1377 (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: HxBeXPd4ovCiLZVrhJm+cfRUiCNjsd6hckX/vbl29PEHgdotb8X2Za4FzK7nBr3GtMc0mCvJ1KegcXOOD94bPg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA2PR11MB4953 X-OriginatorOrg: intel.com X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org > -----Original Message----- > From: Qiming Yang > Sent: Friday, December 16, 2022 11:12 AM > To: dev@dpdk.org; Xing, Beilei > Cc: Yang, Qiming > Subject: [PATCH] net/i40e: reduce the ITR interval of multi-driver mode >=20 > This patch change the interrupt interval from 8160us to 32us to improve t= he > performance of multi-driver mode. >=20 > Signed-off-by: Qiming Yang Acked-by: Qi Zhang Applied to dpdk-next-net-intel. The patch also looks good for backporting, so added Cc stable tag. Thanks Qi > --- > drivers/net/i40e/i40e_ethdev.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethde= v.h > index fe943a45ff..7c4cc44a27 100644 > --- a/drivers/net/i40e/i40e_ethdev.h > +++ b/drivers/net/i40e/i40e_ethdev.h > @@ -1497,7 +1497,7 @@ i40e_calc_itr_interval(bool is_pf, bool is_multi_dr= v) > uint16_t interval =3D 0; >=20 > if (is_multi_drv) { > - interval =3D I40E_QUEUE_ITR_INTERVAL_MAX; > + interval =3D I40E_QUEUE_ITR_INTERVAL_DEFAULT; > } else { > if (is_pf) > interval =3D I40E_QUEUE_ITR_INTERVAL_DEFAULT; > -- > 2.25.1