From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8670DC433DB for ; Wed, 24 Mar 2021 02:31:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 48A9C619EE for ; Wed, 24 Mar 2021 02:31:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229508AbhCXCbA (ORCPT ); Tue, 23 Mar 2021 22:31:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231869AbhCXCal (ORCPT ); Tue, 23 Mar 2021 22:30:41 -0400 Received: from mail-qv1-xf2c.google.com (mail-qv1-xf2c.google.com [IPv6:2607:f8b0:4864:20::f2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 146BFC061763 for ; Tue, 23 Mar 2021 19:30:41 -0700 (PDT) Received: by mail-qv1-xf2c.google.com with SMTP id dc12so10700017qvb.4 for ; Tue, 23 Mar 2021 19:30:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=coverfire.com; s=google; h=message-id:subject:from:to:date:user-agent:mime-version :content-transfer-encoding; bh=WO3rnJQ1TQN9vWFOtkLEFufk+ecQVBm74R4GV/ekdlA=; b=l1oDrfEPczWmkTnz2zWOIO5t4DwYUPYHt6+HsWNyQaYKCNEk5/PKUDKNGTAqsUx0wE JVtRMEvv3BwxP/VwINb49j9zl2TKwM07bHkSedm1DOk9pG/7U6B/p2D4jRgboEFbxrsm fmVXYwvEQEWct+/wEIo6/ofN5fOkAYkJ2/9rk4vHPuqZ3y5nNX720Czd2aYKc3EL4TuL iQ093GLD0nOsP5a3lDv5emz+UyR0GqPANenPm1ETwJh8r4FG3vkDcv0PNTmQUeGgMF+N zuBIjKfFhc466s+wNzdrzqkEPVZbKSL5lh10Pw0sLatXNbotzgWiO5soaJOjLzaZ6dHf Y5Yg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:date:user-agent :mime-version:content-transfer-encoding; bh=WO3rnJQ1TQN9vWFOtkLEFufk+ecQVBm74R4GV/ekdlA=; b=hwqYt2U4XWqVL4Lar3vN9vFj1IMu4M4fsR31klQ4qd7Ll6JHJxov4JxvsJ7Jr1WPsI j99VWYTtHVRSWkSqbHQ3pgv7Q76agckA5D+X9SLnO4BzxiMY4nsORPJ/RWPfj7icghrV tdyxlJFY6GzB2EzDhoBWcVYyNXcsGePSi3e7Y9syWryocc3ZvKSq7TIIgUlOSA/1uA9X uOLX7lJubolJwWKzdzgmrrrgj9395+SbUlvpVnV7GRP9xxbhboo178xLWS1MON9ezXVo ljv1AvG1MBBqJ9A5d0xcZksw8MKG4/9Z2kTkHL6HjIgeJrHW55Jxhp7c298kyr3MoxCl 8l/A== X-Gm-Message-State: AOAM5308ULOrsH04GmHX4iWyxaFUo22TQxEyLMr2e0F8fI2K2+A4HFHE IbW13IxFeT04Nn1nfGFDAscU8J7dV1Cxsdu9 X-Google-Smtp-Source: ABdhPJxRr3y6AFEia5Ie2K/vLKGBDJESDmujaCwaFCMto+mXh4s7CILWd/rk8ty8huq2KU7rOHqBJQ== X-Received: by 2002:a05:6214:18c3:: with SMTP id cy3mr1122574qvb.1.1616553040210; Tue, 23 Mar 2021 19:30:40 -0700 (PDT) Received: from ?IPv6:2607:f2c0:e56e:28c:5524:727c:ba55:9558? ([2607:f2c0:e56e:28c:5524:727c:ba55:9558]) by smtp.gmail.com with ESMTPSA id p66sm714807qka.108.2021.03.23.19.30.39 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Mar 2021 19:30:39 -0700 (PDT) Message-ID: <35a931df0e2cb4bf1fd23ecc15895419c7ca0e3c.camel@coverfire.com> Subject: AF_XDP (i40e) behavior change in 5.11? From: Dan Siemon To: xdp-newbies@vger.kernel.org Date: Tue, 23 Mar 2021 22:30:38 -0400 Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.38.4 (3.38.4-1.fc33) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: xdp-newbies@vger.kernel.org ./xsk_fwd -i ens1f0 -q 2 -i ens1f1 -q 2 -c 5 -i ens1f0 -q 3 -i ens1f1 - q 3 -c 6 On 5.10, the cores (2,3) assigned interrupts for the queues (2,3) are idle when there is no traffic. On 5.11, the cores immediately go to 100% system time when the program starts (as viewed in htop). There is no network traffic. Intel 710/i40e. I tried this with xsk_fwd built from 5.10 and 5.11 trees with the same result. Is this behavior change expected?