From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 2075741D40; Wed, 22 Feb 2023 17:49:19 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D895743021; Wed, 22 Feb 2023 17:49:18 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id E9920410DF for ; Wed, 22 Feb 2023 17:49:17 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1677084557; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=u+CQXCWS/gFHZW+CVoKlvt5OTTcM1COsXU55iwx73/c=; b=C0dL+B9QoHlCk3Vkt/wII+cRdxX5xQy8ggiNlbkGadzXtY2n5OcbfnzO6lXGOI/YFWxVU6 YjMXFFIHWkBkF+JhAvJr1uWHFOVBLd1/K8iwcb5eYHvyyrYx/y2yuqXN17W+HSs5W9m9hR oJPR6M1ZAi5AnEdJrNP4Ew16hx86tns= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-88-5dkQAMbEMnqbabQ5XQDtAg-1; Wed, 22 Feb 2023 11:49:15 -0500 X-MC-Unique: 5dkQAMbEMnqbabQ5XQDtAg-1 Received: by mail-wm1-f72.google.com with SMTP id k26-20020a05600c0b5a00b003dfe4bae099so3271970wmr.0 for ; Wed, 22 Feb 2023 08:49:09 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:subject:from:references:to :content-language:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=u+CQXCWS/gFHZW+CVoKlvt5OTTcM1COsXU55iwx73/c=; b=e3OIRzgOjM+jPUr/0tYr364mYxGLnsZj/lx19fcyPXoWx8pKkp9ut38CrFWTGRIy5w 03ZP/Tn1Pdo55FiVIlqrkDfjDiyTDHjEGwUyY6BY7xCVQwCbcPsr07bGcwLOxp9USop+ NLEYo6uy3X81p/gF6nMPRNkdjBbRr5L02ws0lr8t7SVLQtXnK7adWu6+nbsakNxXSgUh uApZViza160Is2omHYf9UWHWecqFhzsMG/lKWIW3Pny10DanTWKmx2CDb3jxCYO3MYaa tH3fmuU0nTnwDq9MNzRUlTrU3pWqxxfMwu7tN0GDBmTeqBAemJkNG6yrfC6AL98xtc25 2CNg== X-Gm-Message-State: AO0yUKXs/lwSmWnlEIk30wnoW3z9bGv5umfYbzOHWwXJDYV/6lry8/1Y Nx05N8D/HuUuAYz2aVvL4ykoKLDZ5u1SI0qvV+yqlCgUG39tn7IeTwtcsuD+WM3g2Qlq0aQRsL9 y/vg= X-Received: by 2002:adf:f7c9:0:b0:2c7:e26:97c2 with SMTP id a9-20020adff7c9000000b002c70e2697c2mr573863wrq.33.1677084549075; Wed, 22 Feb 2023 08:49:09 -0800 (PST) X-Google-Smtp-Source: AK7set+x9kbstooWhi2+nwKQpFHaE66G1caJmjqObQiWd+A5pY09OYZD0OfeSYhJg0JFHRcZ0lD4Bw== X-Received: by 2002:adf:f7c9:0:b0:2c7:e26:97c2 with SMTP id a9-20020adff7c9000000b002c70e2697c2mr573851wrq.33.1677084548760; Wed, 22 Feb 2023 08:49:08 -0800 (PST) Received: from [192.168.0.36] ([78.16.251.63]) by smtp.gmail.com with ESMTPSA id p14-20020a5d4e0e000000b002c5a790e959sm10306099wrt.19.2023.02.22.08.49.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Feb 2023 08:49:08 -0800 (PST) Message-ID: <2639662b-6992-93cf-74a9-ae164ba48c0a@redhat.com> Date: Wed, 22 Feb 2023 16:49:06 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 To: "Zhang, Qi Z" , "Yang, Qiming" , "dev@dpdk.org" , "Xing, Beilei" , "Xueming(Steven) Li" , Luca Boccassi References: <20221216031140.2913274-1-qiming.yang@intel.com> From: Kevin Traynor Subject: Re: [PATCH] net/i40e: reduce the ITR interval of multi-driver mode In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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 On 26/12/2022 05:50, Zhang, Qi Z wrote: > > >> -----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 >> >> 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 > > Applied to dpdk-next-net-intel. > > The patch also looks good for backporting, so added Cc stable tag. > Hi. This looks like it is not fixing anything and it is changing a behaviour, so I won't take for 21.11.4. thanks, Kevin. > Thanks > Qi > > >> --- >> 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; >> -- >> 2.25.1 >