From patchwork Fri Dec 16 03:11:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qiming Yang X-Patchwork-Id: 120966 X-Patchwork-Delegate: qi.z.zhang@intel.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 5B36FA0543; Fri, 16 Dec 2022 04:22:03 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id EA69E40695; Fri, 16 Dec 2022 04:22:02 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by mails.dpdk.org (Postfix) with ESMTP id A9F2A40685 for ; Fri, 16 Dec 2022 04:22:01 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1671160922; x=1702696922; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=sBPGjE/wPxdGRMxvMEYo2RFZwzN5cxOjESHUmR663q8=; b=Rt83PnKPh60/AhcIhm0jSVl3HOSLklliLctnwlfMbd4TwJj+T9unrlYB qc4ln70cgrqvbIyJfopy7+D1Fv5kNEkBii2/Dac4pqK2QBwB0kJ1YemLJ CWgV2Wewkkmk85L0cfrP/4ADeqH2y4Wz4QAg+PiM1hvUvkEvxwfMMeCK1 lW5OR6ByG/XlpCWAHfWm1N0iizJUdfwGNrHN1w7DYkCy5+TVaR137K7OA 6nRL7kW2ssbr8yfPbrBBqExgBdyLsD75E31mep/lycZO3ADn5LyFj4jSX oLDukWHAqCiSRT3JSRia9ffC1F20D52o0f3vnd3L17xMMlnAzLBEjJDvM Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10562"; a="320755608" X-IronPort-AV: E=Sophos;i="5.96,248,1665471600"; d="scan'208";a="320755608" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Dec 2022 19:22:00 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10562"; a="649661447" X-IronPort-AV: E=Sophos;i="5.96,248,1665471600"; d="scan'208";a="649661447" Received: from dpdk-qiming3.sh.intel.com ([10.67.110.196]) by orsmga002.jf.intel.com with ESMTP; 15 Dec 2022 19:21:58 -0800 From: Qiming Yang To: dev@dpdk.org, beilei.xing@intel.com Cc: Qiming Yang Subject: [PATCH] net/i40e: reduce the ITR interval of multi-driver mode Date: Fri, 16 Dec 2022 03:11:40 +0000 Message-Id: <20221216031140.2913274-1-qiming.yang@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 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 This patch change the interrupt interval from 8160us to 32us to improve the performance of multi-driver mode. Signed-off-by: Qiming Yang Acked-by: Qi Zhang --- drivers/net/i40e/i40e_ethdev.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.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_drv) uint16_t interval = 0; if (is_multi_drv) { - interval = I40E_QUEUE_ITR_INTERVAL_MAX; + interval = I40E_QUEUE_ITR_INTERVAL_DEFAULT; } else { if (is_pf) interval = I40E_QUEUE_ITR_INTERVAL_DEFAULT;