Messages in this thread | | | Date | Mon, 9 Mar 2020 15:09:40 -0400 | From | Steven Rostedt <> | Subject | Re: Instrumentation and RCU |
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On Mon, 9 Mar 2020 14:52:40 -0400 (EDT) Mathieu Desnoyers <mathieu.desnoyers@efficios.com> wrote:
> And when I say "go back to plain RCU", I really mean removing use of SRCU > from the tracepoints until we have other purposes for it (e.g. taking > faults within specific tracepoint probes such as syscall enter/exit).
Actually, with both you and Alexei talking about having a sleeping tracepoint callback, where we can add a can sleep check (but not in the DO_TRACE macro, I would think that registered sleeping callbacks would be its own callback), I would think we do not want to remove the SRCU usage.
-- Steve
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