https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68025
--- Comment #5 from Yuan Pengfei <coolypf at qq dot com> --- (In reply to Martin Liška from comment #4) > May I please ask you for motivation of having such a control? Some functions in the Linux kernel, when instrumented, may cause boot failure. Therefore, fine-grained instrumentation control is needed.