From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793682325; b=PFbiTfQ0YIMYeRsSwvBnOkAw0g1ncSAiuuOjq23oQhbbqk9tCQECeoGPORGH7H+W0Y+W NMchxkXC+XKOWwvgC0rnGq9G9mrq2CiZVnol0gCYAparsC3Pdz9Os5bhEN0z3oLGnDo1J LIbeU6z8I2cJZjGjJPuvLAdymsdBjKtEPw0OM+AbI0YjE6zPlXvFKGCtmRB4mm54XZ8ix Mgeu9b1s2T0oCC1EmW63oMU+b9foz6UEVJJUPVLaZOGUc9FvF6J4XvsEOsBb9DMuK0ip7 HbfYOC/6tc97rr+f6AfzCTr6imJXgL5JnaHXwai1Kmj1yLeGgWYtwtDyIJeprb2FPzA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793682325; h=Received:DKIM-Signature:From:To:Cc:Subject:In-Reply-To:References: Date:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding; bh=9dX1ycvSZiHfms8oEjo8JLFfyN4bx9q3Sa6CmHeQYCs=; b=PJPKQ2O/HguLpvWHnLZnwtbSnP4HL1FQJ3WcS4l/A45njeJyWD7MdAVJt/FRjmOMjKRW nLWMiIKTouyuOZUfaGBwiTWlwFrkrwHl01Ms9EGVEPoSi3em+7ZR30QU3XEzC6NUO3tjr hNpYjVSBD8XEpCUAVIUdtdR7ch11O4eZER52/mPZDCDxr7UWC8lsPZSMTLOeIv6/AAqzr 2pfY7BIevsIsQ1XsNVbVmQARD54mTWiNnfPERDRoEbaZqPnoSwQlxewypSX8qVAiY9lUy xAiaSrKPdvzExQm0WyAHMtuMfiPEYdRjQRmGb6wJQMFRsfJsUfLBDkBKw3hGBMe1jZQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=PVh+ivnX; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CD2EA606A326 for ; Tue, 3 Nov 2026 05:05:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=PVh+ivnX Received: by smtp.kernel.org (Postfix) with ESMTPSA id 144781F000C1; Tue, 3 Nov 2026 05:05:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793682324; bh=9dX1ycvSZiHfms8oEjo8JLFfyN4bx9q3Sa6CmHeQYCs=; h=From:To:Cc:Subject:In-Reply-To:References:Date; b=PVh+ivnXoceQb68/FNXEvG/Ig6oAxyBFn6bCqOYLqTYCSDUqxF0ju+G0KVwr0sj4r kMjAMGrdprYt5DINljknlgYaOEye66lErssdnbXB4sJlMUChKthblXKk5yrpoF4bzM wCeteLfL+B76S6cx9COxqydXrc1LfvJIxZjTm8w3Tlk0yy6811LLrlmrFHq8tZaR6u PL+EvLcl7NQ3ZOK1/EGXAhu06YW2+DekoTlYp9kNA/O+sErGsf+a8UTWfkcf3FWrX5 KgMpfiGfhrDRLr9QrKaIn7NPINqyyXyKdAxmDM1xapLWolMQtWpgJK92K3QmcQig4P RY74AG6LSB4Ug== From: =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= To: Stanislav Fomichev , netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Subject: Re: [PATCH net-next v3 4/4] selftests: drv-net: measure devmem performance with kperf In-Reply-To: <20261102190827.989117-5-sdf@fomichev.me> References: <20261102190827.989117-1-sdf@fomichev.me> <20261102190827.989117-5-sdf@fomichev.me> Date: Tue, 03 Nov 2026 06:05:23 +0100 Message-ID: <87wlqu33os.fsf@all.your.base.are.belong.to.us> X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Stanislav Fomichev writes: > Add a separate udmabuf-backed devmem performance test using KperfRunner. > Keep correctness cases in drivers/net/hw. Skip the test when kperf or > /dev/udmabuf is missing, and fail it when the kperf run fails. > > Example metric output: > > # # ktap-metric-json: {"goal":"higher","name":"throughput","value":389.= 127} > > Signed-off-by: Stanislav Fomichev Reviewed-by: Bj=C3=B6rn T=C3=B6pel