Messages in this thread | | | Date | Thu, 14 May 2020 21:35:22 -0400 | From | Steven Rostedt <> | Subject | Re: [patch V5 03/38] nmi, tracing: Provide nmi_enter/exit_notrace() |
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On Thu, 14 May 2020 21:32:30 -0400 Steven Rostedt <rostedt@goodmis.org> wrote:
> It's accounting only. Now it does use a per-cpu variable (which I see > in other patches can be an issue) and calls time_get().
time_get() being defined as trace_clock_local(). And this in only called if CONFIG_GENERIC_SCHED_CLOCK is not true, as that isn't NMI safe.
-- Steve
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