From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wfout4-smtp.messagingengine.com (wfout4-smtp.messagingengine.com [64.147.123.147]) (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 108EA1922F4 for ; Thu, 27 Jun 2024 13:21:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=64.147.123.147 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719494500; cv=none; b=qbrxMD8uff5p5E6NAcIdNqzdcBXWEKj7gXsx3w/B8Gwwsb+6ptFr93cwFtqwmiQUTp1Zf1OpGbOou9GB6FwM9nZpCCOBqD3iRNTsJbK3cWEXHmHMSlDAK7xAnenzpK7EYZ74SfX/5oRh3CYF4GNeY6znqzMMToBz3CCeOSdddrA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719494500; c=relaxed/simple; bh=uVauWxK+ufu5v1ialmUbw78BysmisQjMfPXCzOqYT6c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lcdxQQxmIbL+FTFgZPizsVntXDP2f1fLDqSTHIqUdhwJozLxVdK852r1GmMBD230usxGhBJU1fuSc0ycfsRwTbjmF1Ft6VwgC9wRTkcS5U9Q/i+mwN9KJP0fcocb9Q71lPDuklZBhBsCdWwvLwBzAYQi16peqTcprfW1d1EdJic= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sakamocchi.jp; spf=pass smtp.mailfrom=sakamocchi.jp; dkim=pass (2048-bit key) header.d=sakamocchi.jp header.i=@sakamocchi.jp header.b=Y20+yAcK; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b=ugd8S80Y; arc=none smtp.client-ip=64.147.123.147 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sakamocchi.jp Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sakamocchi.jp Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sakamocchi.jp header.i=@sakamocchi.jp header.b="Y20+yAcK"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="ugd8S80Y" Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailfout.west.internal (Postfix) with ESMTP id BF0F01C00090; Thu, 27 Jun 2024 09:21:36 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Thu, 27 Jun 2024 09:21:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sakamocchi.jp; h=cc:cc:content-type:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to; s=fm2; t=1719494496; x= 1719580896; bh=4KbB6tEIppaeu+O5uCFPldgsfTP1h3ugpnHp8fkzIwc=; b=Y 20+yAcKaBXLBlj0eE0kAETf2Gx+3EfHlrZ+GWobssGPTLGooU11UjPscF7crPeGA iDvXJOFu2GsG0fRsVmA0lIa0pKMg0U9M3fAo307VYQhuLQXkKK0f3ZGQ72HUoxBJ l8A7367NbvIBi05jXsRqc2y2dgpKhqb20+Ujo7TvtNZIC1q698P8FmPDtiDNXu30 Nwtoxao7BlIqyo9xRCjMkNyhl50gJryrTtYhjqpozShC1Agmz0gjmcR04z94iTa6 yzHNIUPwikupOAsVn8Eq4sOdgCDuT2xnvUyFHDSuQDQHkR/G7ZbkaSqpoyk3ITUj dY64v0CQI/rmnZ1DjrCFw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; t=1719494496; x=1719580896; bh=4KbB6tEIppaeu+O5uCFPldgsfTP1 h3ugpnHp8fkzIwc=; b=ugd8S80YQxcdvijyqknDpj8t90iv3EEebfk3tDKkjDsN MhncbMwn1eoxhnb149xGQkKDvk9EUNMWCrM1iFodxwRdGZBqcwlKkotcQ5FdCQSv Ip6T5f8AMVIqh7EzlDfAKy+t+h2JGJdcvrCUox0PhTVi31MR0CLaaUjk7HaKicG8 MbRf57y1LiKhGoDjHOG56UCXuDQwzFDfdLJsMNNOZeJxlHqgxPGDuzqKPPcaoJrV GDwH8f9+1G3O36B/1P0xkdDOqxeSj9PM3/2I1Fl8xvMZ0Muqiei2otbmPqS+CIl6 LbPwD63QKjkENq/DPiQy976yuk2LH/0eahq5vaHNKg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeftddrtdeggdeigecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhepfffhvfevuffkfhggtggujgesthdtre dttddtvdenucfhrhhomhepvfgrkhgrshhhihcuufgrkhgrmhhothhouceoohdqthgrkhgr shhhihesshgrkhgrmhhotggthhhirdhjpheqnecuggftrfgrthhtvghrnhephefhhfette fgkedvieeuffevveeufedtlefhjeeiieetvdelfedtgfefuedukeeunecuvehluhhsthgv rhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepohdqthgrkhgrshhhihessh grkhgrmhhotggthhhirdhjph X-ME-Proxy: Feedback-ID: ie8e14432:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 27 Jun 2024 09:21:35 -0400 (EDT) Date: Thu, 27 Jun 2024 22:21:35 +0900 From: Takashi Sakamoto To: linux1394-devel@lists.sourceforge.net Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] firewire: ohci: add support for tracepoints events Message-ID: <20240627132135.GA965648@workstation.local> Mail-Followup-To: linux1394-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org References: <20240625031806.956650-1-o-takashi@sakamocchi.jp> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240625031806.956650-1-o-takashi@sakamocchi.jp> On Tue, Jun 25, 2024 at 12:18:04PM +0900, Takashi Sakamoto wrote: > Hi, > > 1394 OHCI hardware triggers PCI interrupts to notify any events to > software. Current driver for the hardware is programmed by the typical > way to utilize top- and bottom- halves, thus it has a timing gap to handle > the notification in softIRQ (tasklet). The Linux Kernel Tracepoints > framework is enough useful to trace the interaction between 1394 OHCI > hardware and its driver. > > This series of changes adds support for tracepoints events to the > driver, and adds an event, 'irqs', so that comparison of the event and > any event in firewire subsystem is helpful to diagnose the timing gap. > > Takashi Sakamoto (2): > firewire: ohci: add support for Linux kernel tracepoints > firewire: ohci: add tracepoints event for hardIRQ event > > drivers/firewire/ohci.c | 4 +++ > include/trace/events/firewire.h | 1 + > include/trace/events/firewire_ohci.h | 47 ++++++++++++++++++++++++++++ > 3 files changed, 52 insertions(+) > create mode 100644 include/trace/events/firewire_ohci.h Applied to for-next branch. Regards Takashi Sakamoto