$foo in probe predicates

[Frank Ch. Eigler]

Roland McGrath <roland@redhat.com> writes:

> [...]
> AFAICT this makes it impossible to do:
> probe foo.bar = kernel.function("blah") if ($arg == 1) { argstr=... }
> probe foo.baz = kernel.function("blah") if ($arg == 2) { argstr=... }

Note that this syntax is for conditional probes (ones that arm and
disarm on the fly), which are prevented from being conditional on
local context variables that would require them to be armed anyway.

- FChE