[Bug 213962] dtrace tick provider is not implemented correctly

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213962

--- Comment #3 from Mark Johnston <markj at FreeBSD.org> ---
Could you verify that curthread->td_intr_frame is non-NULL in a tick-1s probe?

The profile/tick providers use td_intr_frame to get the probe arguments, and
this only works if C_DIRECT_EXEC is honoured by the callout subsystem.

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