From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga06-in.huawei.com (szxga06-in.huawei.com [45.249.212.32]) (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 BB96F1BEF81 for ; Wed, 12 Feb 2025 02:27:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.32 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739327245; cv=none; b=nAG/+p1UxPTiHr4WxWBLIl2b/HYJn/3pMl3G1ZxOU2rbim+hArA0z95xEL0kxn80liAZ7HvNOVfeWQ0Y8vTyZnoKkJ1yYxHzB5cVXr1QwFxQ4XvcdwDjayWTTQIACsYUxCwM3XahUM1Ur+AqzPWiXOElCSw1EqjPzWG4pIy+NpQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739327245; c=relaxed/simple; bh=JuPHjZ0Y7aWs+k2bM/BIpl26UhvRA7ZGyZ2edVyFPcs=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=QW0JZIJpkuW0QvruvZbcoz2qCLEcza8J3Zv+eUybEMC94cIz3oS+bnKnzigW1jh3M78sVr21ZEkobkeOb9y2qRLkLjwe0X6GGDoUlzO/b5u/w/nMWzp5nzVtsdgWAbTU7n5EJ8Lc/CgmNXncKib13KAXWpywlzGQLiSisGaS9Wg= 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; arc=none smtp.client-ip=45.249.212.32 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 Received: from mail.maildlp.com (unknown [172.19.163.44]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4Yt2KK1hCVz20qJ4; Wed, 12 Feb 2025 10:27:49 +0800 (CST) Received: from kwepemj200003.china.huawei.com (unknown [7.202.194.15]) by mail.maildlp.com (Postfix) with ESMTPS id D32111402D0; Wed, 12 Feb 2025 10:27:19 +0800 (CST) Received: from localhost.huawei.com (10.90.30.45) 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; Wed, 12 Feb 2025 10:27:19 +0800 From: Qinxin Xia To: , CC: , , , , , , , Subject: [PATCH 0/3] dma mapping benchmark: add support for dma_map_sg Date: Wed, 12 Feb 2025 10:27:15 +0800 Message-ID: <20250212022718.1995504-1-xiaqinxin@huawei.com> X-Mailer: git-send-email 2.33.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemj200003.china.huawei.com (7.202.194.15) Modify the framework to adapt to more map modes, add benchmark support for dma_map_sg, and add support sg map mode in ioctl. The result: [root@localhost]# ./dma_map_benchmark -m 1 -g 8 -t 8 -s 30 -d 2 dma mapping mode: DMA_MAP_SG_MODE dma mapping benchmark: 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 mode: DMA_MAP_SINGLE_MODE dma mapping benchmark: 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 --- Qinxin Xia (3): dma-mapping: benchmark: modify the framework to adapt to more map modes dma-mapping: benchmark: add support for dma_map_sg dma-mapping benchmark:add support for dma_map_sg include/linux/map_benchmark.h | 7 + kernel/dma/map_benchmark.c | 224 ++++++++++++++++-- .../testing/selftests/dma/dma_map_benchmark.c | 16 +- 3 files changed, 222 insertions(+), 25 deletions(-) -- 2.33.0