From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) (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 2D505283FC5; Thu, 19 Feb 2026 17:55:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771523732; cv=none; b=GD4mfBBNjnbBFADF3FMTawRR15RD2LfrceX2Mi0UlukNopfvzlnZqK53QQFwz0xr03n+LLcEoNn8+wLB3ABd8WY4G2/zmaKbPDeHJkghU57/1DZ2VhtzCUP3Xcf+CIo9FZVCtnpxhbQAsbagWJnL+gHQUf/U07xwa3MZsxYovhE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771523732; c=relaxed/simple; bh=YVCUaCbE7jxx5AjeNPAyiWKDLsmidPJOGJn61Q8aNDc=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=NvQavvHUoxIue282Tyg5QvncNB81ktLQ0r4Gk37XcScJfDl5/OXkEZiX8vAYJV/bxNRwJq8rkyzQ+S7uA8Ar24kE2y32GQbyE22YPnQ3X7JBNEc9kjRHVZ1f1Q6SW+h71NWGT7ZLeIJW5CcuQY6DwSisUxVLYXf+8xgEpqLHifs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf18.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id D4C8A160672; Thu, 19 Feb 2026 17:55:22 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf18.hostedemail.com (Postfix) with ESMTPA id 70B362E; Thu, 19 Feb 2026 17:55:19 +0000 (UTC) Date: Thu, 19 Feb 2026 12:55:25 -0500 From: Steven Rostedt To: Vincent Donnefort Cc: mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-trace-kernel@vger.kernel.org, maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, jstultz@google.com, qperret@google.com, will@kernel.org, aneesh.kumar@kernel.org, kernel-team@android.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v12 05/30] tracing: Introduce trace remotes Message-ID: <20260219125525.12afbcfb@gandalf.local.home> In-Reply-To: <20260219150307.14538-6-vdonnefort@google.com> References: <20260219150307.14538-1-vdonnefort@google.com> <20260219150307.14538-6-vdonnefort@google.com> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspamout06 X-Rspamd-Queue-Id: 70B362E X-Stat-Signature: u1he8b9g4za14gbwiygmi6hbhxy3z4a6 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1+WMo3F+bs2zk/Y4yoqF8XVhVwxseeWyj8= X-HE-Tag: 1771523719-921131 X-HE-Meta: U2FsdGVkX1/LrJvJg4Wy78/u4/54AVEg1GJ5/mPuHr184EDrrqbRAapQiOKf1wx/fZLKN9iKRYe7XUwEmWB99Jo1BUX+JwLqRCR1mB6OKIhrZRTp2AdWwply1KIgOUEvvCSe35AwcfN+ktt5BlnYkneOlwAgds9O2H04tY3J+Mie/F5gCQrBAoukRUvzZ70v9jSsVY9wD8fUJ4ocO/oL9m40P91q8gNGt66xvjt1fKhnc5zqXNVQk6EIsmNbU1aqj8l8N1+t0ebr46WcAN/brlqaQOlxxl6SzgzAnRO8fpgORzlMhzyHmqEuZJgStuNN6+Z1t6u97wytW8IM5mDrMxGi22eUnN1nkSkkN/WaTfLRbQME+WLTRFEmgbEIYi5U1sLw0qQ7yJG1eMFmvq5Pvw== On Thu, 19 Feb 2026 15:02:42 +0000 Vincent Donnefort wrote: > A trace remote relies on ring-buffer remotes to read and control > compatible tracing buffers, written by entity such as firmware or > hypervisor. > > Add a Tracefs directory remotes/ that contains all instances of trace > remotes. Each instance follows the same hierarchy as any other to ease > the support by existing user-space tools. > > This currently does not provide any event support, which will come > later. > > Signed-off-by: Vincent Donnefort Reviewed-by: Steven Rostedt (Google) -- Steve