Tracepoints in the kernel are useful for a variety of purposes: debugging, active monitoring, and performance measurements, among other things. Previously,
any given BPF program could only be attached to a single tracepoint.
Jiri Olsa has been working to change that, and led a discussion about
his progress at the 2026
Linux Storage, Filesystem, Memory-Management, and BPF
Summit. That work has since been
merged, and can be expected as part of the 7.2
kernel.
https://lwn.net/Articles/1082948/
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