Received: by 2002:a25:c205:0:0:0:0:0 with SMTP id s5csp1721566ybf; Sun, 1 Mar 2020 16:37:54 -0800 (PST) X-Google-Smtp-Source: ADFU+vuRxmjYT2Uh1vddJtf8lCm16YsiflHdsNgqqfqI4HJVsIoA7fJbdw1XfsFLliCQMKZdbTM/ X-Received: by 2002:a54:4804:: with SMTP id j4mr3719238oij.99.1583109474079; Sun, 01 Mar 2020 16:37:54 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1583109474; cv=none; d=google.com; s=arc-20160816; b=w46xvZlzJt559VJ+Xz63MgvHJl98+ygsURM9+ex9duz0PNgmGIPOZvkPNjB9UFtJdZ M+OoM9y3p/xxcXH6jb3Nki0sa0qfIm7aZVZbfjG5aBwPxB6JI2vk5DWMQ3s6ffHty3xG O7m9EREfxIij4ahfZ7MA2Y3D9VmP0JMUcf4yRo64chRNr0fOkWCeOR6AT3Tl+plfIc77 cZKUtqIcwzYfwgXDrRq0Ev/wBK6S0ukCVOOmwnHK1RFt/ODroQ6VBRFY6xPMeMwv0LGu EId9rm/x3MazOhglD6K8XOA33rQInPEjjyYBkXh5tNCnzMGr3fjk1tlQ7aJ4R0Lov3c5 +F2A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=GunTEnyk/b17d7RAqb+sPl0YFK1LRLTZqpYsiNufY0g=; b=FmhZlFMT45eZKah6sPjDp93i8TOZKko36EJZBdaxdV9huhz4ZPQy99bb8vpd0b656D 6u9PdYwBIQ8cyg2VEFXk683NFa0qaZVA8HG8iM2S2kNIjXcyUyv1Vhhm5UjgQe1xKp75 6R5lTJklBsDjrMOkue1lG61q8G4lKB+HA6QAErvNo5VqbpJZ9JYU76WChO55cehtaQrg Dl8KMkJxoO4l1B+Pw1TFpDl5XdKk3gwCO9XPUN3jAXXFXGJTqhqUpaM++lZHWMmgFKtx zfubkzmqllY5qObF8EhnCqfkkFdUgNgC6AMtvcZqX3tkbPJj2QyN/AvITnMgLpj/5HMh idJQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x80si5414560oif.111.2020.03.01.16.37.41; Sun, 01 Mar 2020 16:37:54 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726674AbgCBAgw (ORCPT + 99 others); Sun, 1 Mar 2020 19:36:52 -0500 Received: from mail.kernel.org ([198.145.29.99]:43270 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726603AbgCBAgv (ORCPT ); Sun, 1 Mar 2020 19:36:51 -0500 Received: from oasis.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E6391246B7; Mon, 2 Mar 2020 00:36:50 +0000 (UTC) Date: Sun, 1 Mar 2020 19:36:49 -0500 From: Steven Rostedt To: Chris Wilson Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] trace: Export anonymous tracing Message-ID: <20200301193649.71da6747@oasis.local.home> In-Reply-To: <158310134594.5508.5362429296192213548@skylake-alporthouse-com> References: <20200301155248.4132645-1-chris@chris-wilson.co.uk> <20200301131816.277dd398@oasis.local.home> <158310134594.5508.5362429296192213548@skylake-alporthouse-com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 01 Mar 2020 22:22:25 +0000 Chris Wilson wrote: > > I'm curious to why we need it to be anonymous. Why not allow them to be > > visible from the tracing directory. This could allow for easier > > debugging. Note, the trace instances have ref counters thus they can't > > be removed if something has a reference to it. > > Do you really want a few thousand (or even tens) i915-client-%d? That > does not particularly seem like it adds ease-of-use, and would need to be > restricted to the client [or root]. The intent is for the client to have > a private channel for detailed debug/error reporting of its own calls > into the kernel. Wow! I didn't expect this to have that many anonymous users. What is the use case for again? -- Steve