From mboxrd@z Thu Jan 1 00:00:00 1970 From: suchakrapani.sharma@polymtl.ca (Suchakrapani Datt Sharma) Date: Thu, 27 Feb 2014 15:44:23 -0500 Subject: [lttng-dev] error in generation of trace files In-Reply-To: <20140227135748.GB7407@thessa> References: <20140227134247.GA7407@thessa> <20140227135748.GB7407@thessa> Message-ID: <1393533863.530fa3a7d01c8@www.imp.polymtl.ca> Aah..someone is already replying. I should look at my inbox more carefully then :-/ Ignore my previous message. Quoting David Goulet : > CCing back lttng-dev ML. If you have this problem, others have! :) > > Ok so this means that you enable all user space event for that session > so you need to have an application that is instrumented with LTTng > userspace tracer (lttng-ust) in order to collect data from that app. > There are multiple examples in the git repository. > > For the kernel (-a -k), you need to install lttng-modules and start > lttng-sessiond as root (or set yourself in the "tracing" group). > > Hope this help! -- Suchakra