dtrace tests: Add a test case which validates FBT probe argumentsReviewed by: avgMFC after: 2 weeksDifferential Revision: https://reviews.freebsd.org/D46674
Use kern_ioctl() rather than ioctl() for testing the FBT provider, since thelatter doesn't exist in FreeBSD. All the tests under fbtprovider pass now.
This commit was generated by cvs2svn to compensate for changes in r178476,which included commits to RCS files with non-trunk default branches.