Re: register_jprobe always fails with -22

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On Thu, 4 Jul 2019 16:03:42 +0700
Naruto Nguyen <narutonguyen2018@xxxxxxxxx> wrote:

> Hi everyone,
> I tried to write a sample jprobe as the link
> (the sample is
> attached in the link). However the function register_jprobes always
> return -22 or -2. Could you please let me know what these errors means
> and how to fix it?

Note, jprobes have been removed from the kernel. They have been
obsoleted by registering with the function tracer.

See Documentation/trace/ftrace-uses.rst in the kernel source code.

-- Steve

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