----- On Aug 15, 2022, at 9:28 AM, Alexander Aring aahringo@xxxxxxxxxx wrote: > Hi, > > I am curious if there is any way of getting time synchronized traces > in a kind of stream based communication like pipes, sockets, etc. and > get high level event representation as ?libtraceevent? provides. I > would like to get all "merged" events from all machines provided by -A > parameters. I think it isn't required to get them in order, but the > timestamp should be synchronized. > > I could probably build something like that with libtracecmd to have it > directly implemented in an application, but I am curious if there > exists any interest in having such a feature upstream? E.g. having > additional parameters like '--tsync-interval'. > > A use-case would be live capturing of time synchronized events or what > I have in my mind to collect stats and doing kernel runtime > optimizations. You may want to have a look at babeltrace2 [1]. It allows merging multiple traces together as they are read. Using the "lttng-live" source, you can read traces as they are produced. Thanks, Mathieu [1] https://babeltrace.org -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
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