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 46DFC461B0; Fri, 7 Feb 2025 02:23:04 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CF637402D5; Fri, 7 Feb 2025 02:23:03 +0100 (CET) Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) by mails.dpdk.org (Postfix) with ESMTP id CEE28402D5 for ; Fri, 7 Feb 2025 02:23:01 +0100 (CET) Received: by mail-pl1-f178.google.com with SMTP id d9443c01a7336-21f2f386cbeso27074705ad.0 for ; Thu, 06 Feb 2025 17:23:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1738891381; x=1739496181; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=1q2D/wsl6nt5vv2pTOfDxMsPFqf4QB3Z6VpGvo2vCQE=; b=bLYsj4mfqqwUs0uXq93E3dpk96m3tF85FTKYbqRY68O2yNbDWdqLClVfg02J3kG544 0++xAY5Bh3NSXr1Sdmm+zNjvfeLApgj5OlcaYlUpCyNuKdPTfg30pY0m9d/Iaho4kF2W ccoewysesfQZqmuaJwDOZD/nzcmY8TM4QIbR3yh/i94vrj0qrS4tLx62SEAd35waUYEB iym6T5gjwrK1O/qGiGQC09AA8JbwnqRZk7SPNEcoi7c7PynDxYqSPMi8L5yskk7AMwIv HDyoFZto6vF2tlAJPoVzeiWyJ4qf5gIJ8/CooPxTmqJqSAX3K89byGzR+lZqXQwraMOP RtNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738891381; x=1739496181; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=1q2D/wsl6nt5vv2pTOfDxMsPFqf4QB3Z6VpGvo2vCQE=; b=hDpEIvUj5iPTEPyIaDfNoc1330vcZtwpxtfKOkFOazHkle/yDx2U0GLgfPIHwfyjx1 PM7zKyT08rZD46vWW9Qzf6s59Q6nPZm6OKBeEVmiFndPOjqk9aMsNYqyS7/hmwXX4dCf 6aLjhpFP2GcmWHxAv5FyvwbHdMtZt3dQr6Qd/+GUC5uugbcT/I0I2C9EljmowZfonpMz YFI2IVvq+lo9k5mp9x+cwAkSPwEIwNPpfQTUxlnBGTBf2ArOXFShi+cxA4GuTzSdZqq3 s7v82FDzvu4pF+cDFwDRmkd80eFxygtq5WO5kArIisH6vd1Ob5+wSP4fYn0riPXwXE82 /j2g== X-Gm-Message-State: AOJu0Yxk7me9WG5r0fHG+rpiBKSzZBfoDKMYTTjQgfTbXmgniAHfIN/9 uDuD2MN3OGN7eDQu66no5TvP4yJtTSMeQWkiT6gwMQn8mJilwM7oDWqNhQUZZoA= X-Gm-Gg: ASbGnctcF65v9xj5SEv4yyARLFB2m2TAj6XgRtEpXdCbDYiWrw0J6UA6wAwwGmcGwJA DYlszT0pdrGEgaIGX+ym/gOC+KVrBVKUqPHhiZgQEZHEDhlwcwV/A1lRmNVZ+zNSkr5KZOxH7tf a3t9NNP6qDaIJp6ie1yIlnZb9a8GVPJuSHTQhZh2N2p0xkFyraPb0S0aKBYaNeh4QeMCTDqfCR2 VHXbAntNEd5t18bEwC1bVbRW05Qi/F40wYUi1Eof9DAMMMSuusGeps9DtoI0BjqKjVZQ0p6PfLK 5Wq2J86Whw+a0IbD/KGN2OSq86zzw3bdsX3HwTu9/mChXwnr+eAXNFECQFEqXy6Y4+z9 X-Google-Smtp-Source: AGHT+IGKk82OyiZ8IZEagroHXcADadLIZGeV1lObIc5ypuPcmmhhx5FYmpECjIp+Q1JSWuTELPB78Q== X-Received: by 2002:a17:903:2311:b0:21f:3e2d:7d50 with SMTP id d9443c01a7336-21f4e6a0110mr20863015ad.8.1738891380736; Thu, 06 Feb 2025 17:23:00 -0800 (PST) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21f3687df02sm19319855ad.208.2025.02.06.17.23.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Feb 2025 17:23:00 -0800 (PST) Date: Thu, 6 Feb 2025 17:22:58 -0800 From: Stephen Hemminger To: Wei Hu Cc: dev@dpdk.org, ferruh.yigit@amd.com, andrew.rybchenko@oktetlabs.ru, Long Li , stable@dpdk.org Subject: Re: [PATCH 1/1] net/mana: do not ring short doorbell for every mbuf allocation Message-ID: <20250206172258.20ca9bf3@hermes.local> In-Reply-To: <20250206100744.734612-1-weh@microsoft.com> References: <20250206100744.734612-1-weh@microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII 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 Thu, 6 Feb 2025 02:07:43 -0800 Wei Hu wrote: > In the 32bit rx path, it rings short doorbell after receiving > one packet and alocating the new mbuf. This significantly > impacets the rx performance. Fix this problem by ringing the > short doorbell in batch. > > Fixes: eeb37809601b ("net/mana: use bulk mbuf allocation for Rx WQEs") > Cc: stable@dpdk.org > > Signed-off-by: Wei Hu Applied to next-net with spelling fixes to the commit message.