From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 3EF80245008; Thu, 8 May 2025 14:05:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746713113; cv=none; b=iKX7D1+rDWeZ6o/J8F6nACSFgGoujePoNxvH+Gdj9MRzFCo10hcBFOlgLz+JzeBfB0nmoAMx+ls2AIVOLonVvQfkmuC8AB66iEccowIxQ5APs22FuUsmuGt4jhnb1x4el9Z/umplaJ04QipJ1dqOls2pye+44WF1//ew4gjXAJI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746713113; c=relaxed/simple; bh=4tmmAWJlkbjL1Nm4lMJmI0kVjwvxTXhmNQBdvHjddZg=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=eiNxrqq6+gNAXwYumhLP3j24xszShJ69S+gK3/J3oFiZIJqRVJZkNp8js240euxN7oRfxC4d00+GqJuWy/wHJvg2tf2MAHLAS/Lf8Q1Wqnu+vjn7r1XvqhsgWuvPOgMPuw09ZYTQ9swtlWG51rK18PFQ1sJQz+gVLgdyBSrnn64= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 113B4C4CEE7; Thu, 8 May 2025 14:05:10 +0000 (UTC) Date: Thu, 8 May 2025 10:05:23 -0400 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, kernel-team@android.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 01/24] ring-buffer: Introduce ring-buffer remotes Message-ID: <20250508100523.750dfbaa@gandalf.local.home> In-Reply-To: References: <20250506164820.515876-1-vdonnefort@google.com> <20250506164820.515876-2-vdonnefort@google.com> <20250507194722.263a8d1e@gandalf.local.home> 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 On Thu, 8 May 2025 10:10:40 +0100 Vincent Donnefort wrote: > > Hmm, I wonder if this would be worth adding to the user interface? > > Would trace-cmd have any use for those fields? That said, even if it does not at > the moment, it would mean the meta-page has a single version between > kern/user-space and hyp/kern which is probably better? I was thinking that it's better to have the consistency than user space using it. I'm not sure how much overhead it has for the normal buffer to update those fields. -- Steve