K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2018-01-02T00:11:56.711112Z
K 7
svn:log
V 257
MFC r324867,r324869:

    sdt: whack unused SDT_PROBE_ENABLED

=============

    sdt: make all sdt probe sites test one variable

    This saves on cache misses at the expense of a slight grow of .text.

    Note this is a bandaid for lack of hotpatching.

END