Messages in this thread | | | Date | Wed, 3 Apr 2013 14:49:53 +0200 | Subject | Re: systemtap broken by removal of register_timer_hook | From | Frederic Weisbecker <> |
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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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