On Mon, 1 Jun 2020 12:45:10 -0400 (EDT) Philippe Duplessis-Guindon <pduplessis@xxxxxxxxxxxx> wrote: > Hi everyone, > > > My name is Philippe and I am an intern at EfficiOs for the summer. This email is Hi Philippe! I believe we met before. Correct me if I'm wrong. > > to inform you about my summer project, ask for recommendations and your opinion. > > > My project will consist of implementing a Babeltrace2 [1] plugin to be able to consume > > ftrace traces. The plugin will act as a source component in the babeltrace2 graph system. This is awesome! > > > I was wondering if you can give me your first thoughts about this project, and > > any advice on where to find information to begin with, since I am new to ftrace. > > I have already read the doc [2][3][4], but I was wondering if there are more resources > > that could help me with my work. > > > Also, I was wondering which version of libtraceevent I should use. The one in the kernel, > > or the one in the trace-cmd repo? My guess would be to take the one in trace-cmd since > > there are more recent commits, but I am asking just to make sure. Well it shouldn't matter, as I try to keep the two insync, but because of the current environment (COVID-19 and all), I've been falling behind. There's talk in moving it out of both the kernel and trace-cmd and make libtraceevent a stand alone library. But that will take some coordination. > > > The major focus of the project will be to match ftrace concepts to babeltrace 2 > > internal representation. > > > [1] https://babeltrace.org/ > > [2] https://github.com/torvalds/linux/tree/master/tools/lib/traceevent/Documentation > > [3] https://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git/tree/Documentation > > [4] https://www.kernel.org/doc/Documentation/trace/ftrace.txt > Ideally, we would like to get KernelShark to use babeltrace as well, to increase what it can read. Thanks for reaching out. If there's anything else you need, please feel free to ask. -- Steve
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