From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49115) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VWPrO-0002ij-DQ for qemu-devel@nongnu.org; Wed, 16 Oct 2013 08:05:59 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VWPrI-0007M1-SU for qemu-devel@nongnu.org; Wed, 16 Oct 2013 08:05:54 -0400 Received: from static.88-198-71-155.clients.your-server.de ([88.198.71.155]:52859 helo=socrates.bennee.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VWPrI-0007Kb-L3 for qemu-devel@nongnu.org; Wed, 16 Oct 2013 08:05:48 -0400 References: <1381775755-8421-1-git-send-email-mohamad.gebai@polymtl.ca> <1381775755-8421-5-git-send-email-mohamad.gebai@polymtl.ca> <525D6832.9060703@polymtl.ca> From: Alex =?utf-8?Q?Benn=C3=A9e?= In-reply-to: <525D6832.9060703@polymtl.ca> Date: Wed, 16 Oct 2013 13:05:47 +0100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [RFC PATCH v3 4/5] Update documentation for LTTng ust tracing List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Mohamad Gebai Cc: qemu-devel@nongnu.org, Mohamad Gebai mohamad.gebai@polymtl.ca writes: >> Running this gives me: >> >> >> UST events: >> ------------- >> None >> >> >> Before or after running qemu. What is the mechanism lttng expects to >> find out all these events? > > Either the user should belong the group "tracing", or launch the > lttng-sessiond daemon (lttng-sessiond -d). Hmm I've done both and I get nothing still. I can enable all tracepoints though. This could just be a Ubuntu weirdness thing though. I'm not sure if mentioning the group/daemon requirements in the tracing doc is required though. I guess these things can be a little package/distro specific? -- Alex Bennée