From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CDFA260DDF; Tue, 20 Feb 2024 09:17:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708420677; cv=none; b=c0wVq3YcmgDMqcbW6xcUhNyTXUKDSc65KUzuuXf+i2aSraPUKOdwVOIigNCD7vBM7tkSlCJWFdXc2ysreG9KIgBVARXPGTCeYU+8sb/0CcA+QxQgwc4hqvNL1cujguAmkkkS/RMy+3vyu6CdcK90sBGYNbNjfAKo6ACVZeAmwPw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708420677; c=relaxed/simple; bh=9LsdSu2OdnC/3DuAFj0k0VOgM/ft+uowjXfSoCMDeyQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=sz8/FsABhufOlFc//MGUtetJMnIA1tPVzkvqw2rS/LXgxRAlHVPexQi4omS/nCmLi316KgbSid36IOog/+dPgU4++KMTXckibiTvOn20txm6QOqHuFYBQnsvabScOB0v6p2/867KAeb77AwGKf1o/nwLwNCfw2DAIwD9ddJDEe8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MINPxiDQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MINPxiDQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B8DDC43390; Tue, 20 Feb 2024 09:17:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708420677; bh=9LsdSu2OdnC/3DuAFj0k0VOgM/ft+uowjXfSoCMDeyQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=MINPxiDQYOYFuRySK3zZze7Q8hIG1Lzme3urvPukljmaG9Lpx7m2LNA/rgFPInNqT erVdx5zZThUNE7qXKgQjx4RVTj9D/moILrahgPOY8uriQyaIYrST4XGPacvdPR9+1/ YZDmqF3yu6OTRXKDPkOkbXKDYZVCKoTSOovMbJF05PpuFd7KkesD6mwVoofakPN1zn sD4VANrlUvoC/4sBtXovBbeTTpYyatuDqCUamGmH/zbFsNk2KGEJhthnmAum9HG2e9 uxRQAeugK2P+9HojUTPMpNruQG8sfj9/UTzoRywLQPuKj7vvQWwt3uHcW+v+9DvhNv QRJQQqmeho/Dw== Message-ID: <04d72b93-a423-4574-a98e-f8915a949415@kernel.org> Date: Tue, 20 Feb 2024 10:17:53 +0100 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC net-next 1/2] net: Reference bpf_redirect_info via task_struct on PREEMPT_RT. Content-Language: en-US To: =?UTF-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , Sebastian Andrzej Siewior Cc: bpf@vger.kernel.org, netdev@vger.kernel.org References: <20240213145923.2552753-1-bigeasy@linutronix.de> <20240213145923.2552753-2-bigeasy@linutronix.de> <66d9ee60-fbe3-4444-b98d-887845d4c187@kernel.org> <20240214121921.VJJ2bCBE@linutronix.de> <87y1bndvsx.fsf@toke.dk> <20240214142827.3vV2WhIA@linutronix.de> <87le7ndo4z.fsf@toke.dk> <20240214163607.RjjT5bO_@linutronix.de> <87jzn5cw90.fsf@toke.dk> <20240216165737.oIFG5g-U@linutronix.de> <87ttm4b7mh.fsf@toke.dk> From: Jesper Dangaard Brouer In-Reply-To: <87ttm4b7mh.fsf@toke.dk> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 19/02/2024 20.01, Toke Høiland-Jørgensen wrote: > may be simpler to use pktgen, and at 10G rates that shouldn't become a > bottleneck either. The pktgen_sample03_burst_single_flow.sh script in > samples/pktgen in the kernel source tree is fine for this usage. Example of running script: ./pktgen_sample03_burst_single_flow.sh -vi mlx5p1 -d 198.18.1.1 -m ec:0d:9a:db:11:c4 -t 12 Notice the last parameter, which is number threads to start. If you have a ixgbe NIC driver, then I recommend -t 2 even if you have more CPUs. --Jesper