On Tue, Jul 16, 2019 at 05:30:50PM -0400, Joel Fernandes wrote: > > I also thought about the pinning idea before, but we also want to add support > for not just raw tracepoints, but also regular tracepoints (events if you > will). I am hesitant to add a new BPF API just for creating regular > tracepoints and then pinning those as well. and they should be done through the pinning as well. > I don't see why a new bpf node for a trace event is a bad idea, really. See the patches for kprobe/uprobe FD-based api and the reasons behind it. tldr: text is racy, doesn't scale, poor security, etc. > tracefs is how we deal with trace events on Android. android has made mistakes in the past as well. > This is a natural extension to that and fits with the security model > well. I think it's the opposite. I'm absolutely against text based apis.
