docs: sphinxify kcov.txt and move to dev-tools (758f726e) · Commits · e / devices / android_kernel_fairphone_FP4

Documentation/kcov.txt→Documentation/dev-tools/kcov.rst

+42 −42

Original line number	Diff line number	Diff line
		@@ -12,19 +12,19 @@ To achieve this goal it does not collect coverage in soft/hard interrupts
		and instrumentation of some inherently non-deterministic parts of kernel is
		disbled (e.g. scheduler, locking).

		Usage:
		======
		Usage
		-----

		Configure kernel with:
		Configure the kernel with::

		CONFIG_KCOV=y

		CONFIG_KCOV requires gcc built on revision 231296 or later.
		Profiling data will only become accessible once debugfs has been mounted:
		Profiling data will only become accessible once debugfs has been mounted::

		mount -t debugfs none /sys/kernel/debug

		The following program demonstrates kcov usage from within a test program:
		The following program demonstrates kcov usage from within a test program::

		#include <stdio.h>
		#include <stddef.h>
		@@ -85,7 +85,7 @@ int main(int argc, char **argv)
		return 0;
		}

		After piping through addr2line output of the program looks as follows:
		After piping through addr2line output of the program looks as follows::

		SyS_read
		fs/read_write.c:562

+1 −0