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SubjectRe: [PATCH v9 3.2 7/9] tracing: uprobes trace_event interface

a couple of other 'perf probe' suggestions:

i think the 'perf probe' UI should be streamlined.

Right now we have kprobes assumptions like this syntax:

perf probe <kernel_symbol>

will add a probe.

That is nonsensical once we merge uprobes, as i'd expect much
more developers to be interested in user-space symbols than
kernel-space symbols.

So we could change this syntax and add the more intuitive:

perf probe add ...
perf probe del ...
perf probe list

Variants. Also, the -x syntax isnt particularly intuitive either
- it should be a 'perf probe add ...' variant.

If someone uses the old syntax it will produce a meaningful
error message.

Thanks,

Ingo


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