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 1994842C04; Thu, 1 Jun 2023 16:43:12 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 07D0540DDC; Thu, 1 Jun 2023 16:43:12 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id 573A6406BA for ; Thu, 1 Jun 2023 16:43:10 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1685630589; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kUQ9FugMPKDNa8YZxgQneADdEZXj9kSusWBzcMO+BgI=; b=OvR2I/s5Vo4AEFMEAMxReeNmL30MePZ7uOOtpyHcdaROs0P13LGrM7y8bwGo9VaJGyNL3N 5OcaItsvXTr+4LHWpCa6zkgu249eYgB83RRTMfIeilgSr25lNcQx92wyWhnnjnF25CUyg6 uuATV74xd5g5nJDxmhoxw5fTJ5qiR0U= Received: from mail-pl1-f198.google.com (mail-pl1-f198.google.com [209.85.214.198]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-135-64aXbDX0PT-yopJUgNZR9A-1; Thu, 01 Jun 2023 10:43:08 -0400 X-MC-Unique: 64aXbDX0PT-yopJUgNZR9A-1 Received: by mail-pl1-f198.google.com with SMTP id d9443c01a7336-1afba64045aso14950385ad.0 for ; Thu, 01 Jun 2023 07:43:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685630588; x=1688222588; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=kUQ9FugMPKDNa8YZxgQneADdEZXj9kSusWBzcMO+BgI=; b=MDCeCu8TM9iy0Pe4TsEdIlWNrj3v0Cq3m745cSlPBd/F2s6UXPox4F88eF8pYVxWgN pDTtVdXu8YmTEtlvceSVZlDS/z5y/aF5dNlaoTwGd7JTIKPCkfvCFfo74MHc397y4iVM VRXBypvve6/49PvFAwQYTU2L+3Ys88YXmn9w2GdAzPYo1gxqzWm901KgS/XW4W0W+7hw 0OUd1PhKtchQhW8cEc9fltONg8ItRqyoz9+trsC0+WL//7kUvSh52tsvIS5LCUPnnC2y 2rPRD72dqa2b7vZRmOpzaBv0L4eKoxCPWAoxhczW5mgw0e8+Cz0RTfYZ7Rba42Sr/AUW sfwg== X-Gm-Message-State: AC+VfDwv+TcNNQiYPb1WZEIpjkMAU20O9SdSiSMJ2tEy6r3NKJF6ZNnX hk/v3CtOHpUrpPMs5XPrxWqSCAWfYBsLTxzdQToRPHZyW+7f+AMw3X1tDw5fEsyncV8V/hbd+oj wKnl3yGyiGYuqDPEK70w= X-Received: by 2002:a17:903:41c7:b0:1ac:8835:b881 with SMTP id u7-20020a17090341c700b001ac8835b881mr2857090ple.17.1685630587711; Thu, 01 Jun 2023 07:43:07 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ4mwJc00seYjxW6n1J263l3m9xfLCtpSNUfabDYRoonTSyUsA79G6Rzwuk4utwT3Ki+xxOWDd9K9+k7nfhOAEU= X-Received: by 2002:a17:903:41c7:b0:1ac:8835:b881 with SMTP id u7-20020a17090341c700b001ac8835b881mr2857064ple.17.1685630587392; Thu, 01 Jun 2023 07:43:07 -0700 (PDT) MIME-Version: 1.0 References: <20230523025004.192071-1-kaisenx.you@intel.com> <20230526084535.374803-1-kaisenx.you@intel.com> In-Reply-To: <20230526084535.374803-1-kaisenx.you@intel.com> From: David Marchand Date: Thu, 1 Jun 2023 16:42:55 +0200 Message-ID: Subject: Re: [PATCH v8] enhance NUMA affinity heuristic To: anatoly.burakov@intel.com, Kevin Traynor , Luca Boccassi , "Xueming(Steven) Li" Cc: dev@dpdk.org, yidingx.zhou@intel.com, thomas@monjalon.net, olivier.matz@6wind.com, ferruh.yigit@amd.com, zhoumin@loongson.cn, stable@dpdk.org, Kaisen You X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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 Fri, May 26, 2023 at 11:03=E2=80=AFAM Kaisen You = wrote: > > When a DPDK application is started on only one numa node, memory is > allocated for only one socket. When interrupt threads use memory, > memory may not be found on the socket where the interrupt thread > is currently located, and memory has to be reallocated on the hugepage, > this operation will lead to performance degradation. > > Fixes: 705356f0811f ("eal: simplify control thread creation") > Fixes: 770d41bf3309 ("malloc: fix allocation with unknown socket ID") > Cc: stable@dpdk.org Backporting this kind of change seems risky for a LTS. Heads up for LTS maintainers. Anatoly, are we sure we want it backported? --=20 David Marchand