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SubjectRe: systemtap broken by removal of register_timer_hook
From
2013/4/3 Frank Ch. Eigler <fche@redhat.com>:
> Frederic Weisbecker <fweisbec@gmail.com> writes:
>
>> [...]
>> Sometimes I don't mind keeping around code in the kernel for out of
>> tree users, depending on the case. But in this specific matter we have
>> more standard ways to do this kind of hook: kprobes, static
>> tracepoints. A tracepoint on the timer tick would be useful BTW, and
>> you could reuse it.
>
> Thanks for noticing! IMO kprobes would be too heavyweight for this.
> A new static tracepoint would be fine, especially if it passes the
> same pt_regs* pointer as the former hook did.

Sounds good, would you like to propose a version? We are also
interested in a timer tick event tracepoint for dynticks debugging.

Thanks!


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