From patchwork Thu Mar 11 05:21:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Sakamoto X-Patchwork-Id: 12130311 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D693DC433DB for ; Thu, 11 Mar 2021 05:27:34 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2503C64EB7 for ; Thu, 11 Mar 2021 05:27:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2503C64EB7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sakamocchi.jp Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 9E4FD1704; Thu, 11 Mar 2021 06:26:42 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 9E4FD1704 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1615440452; bh=TwA2R6DmbHVuJvbq36KH6uDITNZT7Ov156muPuayL+s=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=iPiM9PgxaPPuVTCYXTEtvjsU3RvQ0LJU5QNy5I6WqiY39bE9XHgYCgOQCYR/bq7L0 07n4qO49rkA++69mLLZMS6jSkwBn/KeE4zNgb02GjDeexz3rPOYONZ5qM9vIY8hZyH FihGkPzDUoD+E5WkHRQcYjPKHMDSBVq0kypgMSIY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 8BD62F804FC; Thu, 11 Mar 2021 06:22:57 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 3F91BF804DF; Thu, 11 Mar 2021 06:22:39 +0100 (CET) Received: from wout5-smtp.messagingengine.com (wout5-smtp.messagingengine.com [64.147.123.21]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id E6009F8028B for ; Thu, 11 Mar 2021 06:22:05 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz E6009F8028B Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=sakamocchi.jp header.i=@sakamocchi.jp header.b="B8a38dNA"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="rKYbjXPB" Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.west.internal (Postfix) with ESMTP id 48A612FAB; Thu, 11 Mar 2021 00:22:04 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Thu, 11 Mar 2021 00:22:04 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sakamocchi.jp; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm1; bh=IOhvbMZH//nWS bbPVT69woj8xjZoDxi1XqKagcL9FCI=; b=B8a38dNAcj47HRALnFCQGPN2GSxg3 tcKv8MioUcFnKklPlC2LgayVt8dFPCpV2jFIT9LSvpIyRfjRziSu2oKFFcdMGVv6 e9mdBfjlkGG0YmxQp7JdUJWFdFlC+X7tUlyTOXnLG93sqvzu4q6Gfc6h45pdOJPn KOqTb+66FmpK64J+YrYBK44k/E/zgjk6Z/s6awhRbossFsdo5/tghFB8M99MermD CnJ4tycn/+ruVwVk5f4zcny8PfSHbduR07iaXH7Ucyzax+eT6yFdqdzIw+M1gJwN UiOSdIq/8xxCMjZwCVUHFWpj5jazPGmlsb71gqmMw0bmqmlCcxb3UHN+A== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=IOhvbMZH//nWSbbPVT69woj8xjZoDxi1XqKagcL9FCI=; b=rKYbjXPB BpSz5TUHeyBUjNPJND4SJeQqwV2wjyp/6iKdJzvmNGe69414VOGp3E/JCqU0YtJq ZFxZvQl6AhK14QJfl24+Nd1QxjCYGvigUriluROViILmlSOBUm0j3rD7hZjdPNeT rzBaJVLCNhwAtVkfC2kb0YP3/FEADhbo5tlhsBZ+G6chbEeYgTz8Ka5uN/PQMn0W Q2IfTrUjNFDOq8jixncz3x1+BlV2twQt8kdCwKaPVo9fMLwAWdLoFaMpvNlKyqGk vsPq4HgBLuoEz9yQ1t6I79Md5X1HYcr29IkOMyhtgvi4B50ihGwpmDulRlv4LYX/ OdCfo1ZpHgdfQQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrudduledgkedvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomhepvfgrkhgrshhhihcuufgrkhgrmhhothhouceoohdqthgrkhgr shhhihesshgrkhgrmhhotggthhhirdhjpheqnecuggftrfgrthhtvghrnhepveefffefke etgfevgeefleehfffhueejtdejveethfekveektdejjedvtdejhfejnecukfhppedugedr fedrieehrddujeehnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilh hfrhhomhepohdqthgrkhgrshhhihesshgrkhgrmhhotggthhhirdhjph X-ME-Proxy: Received: from workstation.flets-east.jp (ae065175.dynamic.ppp.asahi-net.or.jp [14.3.65.175]) by mail.messagingengine.com (Postfix) with ESMTPA id D27D7240054; Thu, 11 Mar 2021 00:22:02 -0500 (EST) From: Takashi Sakamoto To: tiwai@suse.de, perex@perex.cz Subject: [alsa-utils][PATCH 09/14] axfer: test: use memfd_create() for container-test Date: Thu, 11 Mar 2021 14:21:40 +0900 Message-Id: <20210311052146.404003-10-o-takashi@sakamocchi.jp> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210311052146.404003-1-o-takashi@sakamocchi.jp> References: <20210311052146.404003-1-o-takashi@sakamocchi.jp> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" The container test program writes audio data frame to file, and read them from the file, then validate them. For the operations, usage of any in-memory file is good to shorten time of overall operations. This commit uses shm via memfd_create(). As a result, overall time to run is shorten one half of before, depending on machine environment. I note that we can achieve the same result by using O_TMPFILE flag in open(2) system call, however the implementation of O_TMPFILE is to add i-node without name on underling file system, thus it has overhead depending on implementation in each file system. On the other hand, memfd_create() is directly relevant to shm and expected to be less overhead. Signed-off-by: Takashi Sakamoto --- axfer/test/container-test.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/axfer/test/container-test.c b/axfer/test/container-test.c index 4d825b6..4e2dcc2 100644 --- a/axfer/test/container-test.c +++ b/axfer/test/container-test.c @@ -6,11 +6,20 @@ // // Licensed under the terms of the GNU General Public License, version 2. +#include +#ifdef HAVE_MEMFD_CREATE +#define _GNU_SOURCE +#endif + #include "../container.h" #include "../misc.h" #include "generator.h" +#ifdef HAVE_MEMFD_CREATE +#include +#endif + #include #include #include @@ -142,16 +151,17 @@ static int callback(struct test_generator *gen, snd_pcm_access_t access, if (buf == NULL) return -ENOMEM; - // Remove a result of a previous trial. - unlink(name); - for (i = 0; i < ARRAY_SIZE(entries); ++i) { int fd; off64_t pos; frames_per_second = entries[i]; +#ifdef HAVE_MEMFD_CREATE + fd = memfd_create(name, 0); +#else fd = open(name, O_RDWR | O_CREAT | O_TRUNC, 0644); +#endif if (fd < 0) { err = -errno; break; @@ -176,7 +186,6 @@ static int callback(struct test_generator *gen, snd_pcm_access_t access, assert(err == 0); close(fd); - unlink(name); } free(buf);