From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from canpmsgout02.his.huawei.com (canpmsgout02.his.huawei.com [113.46.200.217]) (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 E523A46BF for ; Sat, 7 Mar 2026 07:46:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.217 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772869611; cv=none; b=AQUEX791yHxiQyYI1A1phT81gGa+iJfOHo0Ljp0f+h3wEKs9n/O7nbLAyGdf007Thk1U5OtiAtQyqMZnXogyTRhM7R5yDU2svnDpgc7zARHfJE3D16ULFIzXOUS4HFmt4wi7AC0JuHaYsqqT8F6xSNVi3VZrXcgddDod/foJHWM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772869611; c=relaxed/simple; bh=bPpi0Ac1dTXFTtdR7uIbt2TUoFrKuXxslz+hrO+SujA=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=PmlIMGC5da46NkrVfGcN2gSX3YldqTmXj1XLFPdv4icqULO9HMmZvY4gGVYQk4Y39D0ITkZ1yZn89G5w77O8EiAwhKzbQ87qXyMokrsDSzaD0rGMV7ln40mbMktgE5O0q0ix94TIKxV/+J7JDO8d4LkVXvHZgboatF8Q3KxNLnc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b=hw3u5z4b; arc=none smtp.client-ip=113.46.200.217 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b="hw3u5z4b" dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=k0QEdgjhJkm/CMI479cw5fiGJIjNaAVlkS2BTDuWhwA=; b=hw3u5z4bDYPzQunjt4AOQOx1aNaLBO0iYeWToN3fAHRcha0xO/1AyxTs3hmC39YVw8vI3Cxfn hZ7Fi1nKWyn1HO+GOzQmSz2VSNDUxaBttpxB4mY6k5gkeVnLAaIvGoFKORMYHrbSCkRkdMfnV1V sv4iBVrvjCCP6F71NKYytNg= Received: from mail.maildlp.com (unknown [172.19.163.104]) by canpmsgout02.his.huawei.com (SkyGuard) with ESMTPS id 4fSZw054Npzcb0l; Sat, 7 Mar 2026 15:41:20 +0800 (CST) Received: from kwepemj200003.china.huawei.com (unknown [7.202.194.15]) by mail.maildlp.com (Postfix) with ESMTPS id 995F8404AD; Sat, 7 Mar 2026 15:46:39 +0800 (CST) Received: from [10.67.120.170] (10.67.120.170) by kwepemj200003.china.huawei.com (7.202.194.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Sat, 7 Mar 2026 15:46:39 +0800 Message-ID: <2030b7da-8638-4f61-a4c0-193975da858f@huawei.com> Date: Sat, 7 Mar 2026 15:46:38 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 0/3] dma-mapping: benchmark: Add support for dma_map_sg To: Marek Szyprowski , <21cnbao@gmail.com>, , CC: , , , , References: <20260225093800.3625054-1-xiaqinxin@huawei.com> From: Qinxin Xia In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: kwepems200002.china.huawei.com (7.221.188.68) To kwepemj200003.china.huawei.com (7.202.194.15) On 2026/3/6 16:50:56, Marek Szyprowski wrote: >> dma mapping benchmark(SG_MODE): threads:8 seconds:30 node:-1 dir:FROM_DEVICE granule/sg_nents: 8 >> average map latency(us):1.4 standard deviation:0.3 >> average unmap latency(us):1.3 standard deviation:0.3 >> [root@localhost]# ./dma_map_benchmark -m 0 -g 8 -t 8 -s 30 -d 2 >> dma mapping benchmark(SINGLE_MODE): threads:8 seconds:30 node:-1 dir:FROM_DEVICE granule/sg_nents: 8 >> average map latency(us):1.0 standard deviation:0.3 >> average unmap latency(us):1.3 standard deviation:0.5 > Applied to dma-mapping-next. Thanks! Next time please CC: me directly. Thank you for applying the patch. I apologize for not CC-ing you directly earlier; I'll make sure to do so next time.:-) -- Thanks, Qinxin