From patchwork Sat Jan 5 08:42:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Sakamoto X-Patchwork-Id: 10749193 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 65C5F14E5 for ; Sat, 5 Jan 2019 08:42:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 57EF92846F for ; Sat, 5 Jan 2019 08:42:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4B9392877B; Sat, 5 Jan 2019 08:42:35 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9C6372846F for ; Sat, 5 Jan 2019 08:42:34 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 87C24267CAB; Sat, 5 Jan 2019 09:42:27 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 181AA2678D4; Sat, 5 Jan 2019 09:42:24 +0100 (CET) Received: from mail-pl1-f195.google.com (mail-pl1-f195.google.com [209.85.214.195]) by alsa0.perex.cz (Postfix) with ESMTP id 9D0972678D4 for ; Sat, 5 Jan 2019 09:42:19 +0100 (CET) Received: by mail-pl1-f195.google.com with SMTP id e5so18488668plb.5 for ; Sat, 05 Jan 2019 00:42:18 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=5Bl7qVhRyLPy7wV8mcS8At1v+ts3Ogaoi4bDUS67DRc=; b=dCYtazSQ5iynMHKBZsgEOcmbjr/BVV9kwHeEk9+sbVozZZuqaU/kMSjjs4PoyDwmdx /q9v7fI5Hsuke3T8rcEyD9VcWM9HQ3HaHDGZdg1qawJcLEOc3qN2cPrxoxzxJ7rAeWhJ zos5UG43ISKxbBdH3YqpB4mQMv7zFBaVqV2kF2uLTcX+gfUTCLfEF1FjuHfMsIZ56LXW ++VpLRhjilJsdOsaCdMWDEpQlUOCtT80d0jSIZeb6VMx6iJGii4pYLMMyIf9HmYTzH04 FuetYFBg598l+Rz+2hrbqqVueF1iR7MP8+Q4GCO9cBoMAG4hwD8/hJ4if2ft9nUTsXO9 5NWQ== X-Gm-Message-State: AJcUukdnptElmWTblHKWoWTP5LHQgMOin2hYM8Eadw265Cx1TEy6XA5E EjM+yl3N7khWKjCPE9L/kXk= X-Google-Smtp-Source: ALg8bN6mjnwsAbKdLUa6VnF1xJsGPtZRAXlt9ZgBpg6cGGXOfSnFHqNQjilb08KqhbhI4iakNUx1Gg== X-Received: by 2002:a17:902:3283:: with SMTP id z3mr54585373plb.76.1546677737937; Sat, 05 Jan 2019 00:42:17 -0800 (PST) Received: from localhost.localdomain ([2405:6580:9660:3200:b9c8:a675:a8c9:91f7]) by smtp.gmail.com with ESMTPSA id s21sm96345180pfk.133.2019.01.05.00.42.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 05 Jan 2019 00:42:17 -0800 (PST) From: Takashi Sakamoto To: tiwai@suse.de, perex@perex.cz Date: Sat, 5 Jan 2019 17:42:07 +0900 Message-Id: <20190105084210.29616-1-o-takashi@sakamocchi.jp> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org Subject: [alsa-devel] [PATCH 0/3] alsa-utils: axfer: fulfill scheduling model section for manual X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Hi, This patchset fulfills a section about scheduling model for axfer manual. This is my attempt to describe well-known issue for 'no-period-wakeup' mode of PCM runtime, discussed in some recent Audio miniconferences[1]. [1] http://www.alsa-project.org/main/index.php/Miniconf_2018#PCM_improvements Takashi Sakamoto (3): axfer: add an explanation about IRQ-based scheduling model axfer: add an explanation about Timer-based scheduling model axfer: add an explanation about advantages/issues of Timer-based scheduling model axfer/axfer-transfer.1 | 112 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 111 insertions(+), 1 deletion(-)