This package includes the <sys/sdt.h> header file used for static instrumentation compiled into userspace programs and libraries, along with the optional dtrace-compatibility preprocessor to process related .d files into tracing-macro-laden .h headers.
acquired package info from repodata DB: repodata/750d2b47baac9c5cbb3ae49bbf8c4ff7bf44796813ecb397af35aa5323864a72-primary.sqlite.bz2