Speaker
Jiri Olsa
(Isovalent)
Description
There's ongoing effort to speed up attaching of multiple probes,
which resulted in new bpf 'kprobe_multi' link interface. This allows
fast attachment of many kprobes (thousands) and is now supported for
example in bpftrace.
Similar interface is being developed also for trampolines, but it's
bit more bumpy road than for kprobes for various reasons.
I'll shortly sum up multi kprobe interface and some of its current users,
and mainly focus on state of the trampoline multi attach API changes.
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Primary author
Jiri Olsa
(Isovalent)
