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SubjectRe: [RFC] Proposal for ptrace improvements

* Steven Rostedt <rostedt@goodmis.org> wrote:

> I don't think perf has a good way to trace userspace yet.

uprobes are being worked on (and that comes integrated with perf), and that will
give a good mechanism - and it (of course) wont be doing any context-switching.

Peter might be able to fill us in on the details of the review progress of the
uprobes patches.

> ftrace focuses on the kernel.

It will hopefully be integrated into the perf ABI soon, so that developers and users
have a unified event platform for doing tracing, profiling, event logging and more -
all of which go back to a very similar looking event platform. (Not sure what's
holding up that process - there's no technical roadblocks really - it 'just has to
be done'.)

Thanks,

Ingo


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