On Mon, 05 May 2008 17:24:46 +0200 Peter Oberparleiter <[EMAIL PROTECTED]> wrote:
> +config GCOV_PROFILE > + bool "Activate gcov-based profiling" > + depends on DEBUG_FS > + ---help--- > + This option enables gcov-based code profiling (e.g. for code coverage > + measurements). > + > + If unsure, say N. > + > + Additionally specify CONFIG_GCOV_PROFILE_ALL=y to get profiling data > + for the entire kernel. To enable profiling for specific files or > + directories, add a line similar to the following to the respective > + Makefile: > + > + For a single file (e.g. main.o): > + GCOV_main.o := y > + > + For all files in one directory: > + GCOV := y > + > + To exclude files from being profiled even when CONFIG_GCOV_PROFILE_ALL > + is specified, use: > + > + GCOV_main.o := n > + and: > + GCOV := n > + > + Note that the debugfs filesystem has to be mounted to access > + profiling data. > + > +config GCOV_PROFILE_ALL > + bool "Profile entire Kernel" > + depends on GCOV_PROFILE > + ---help--- > + This options activates profiling for the entire kernel. > + > + If unsure, say Y. > + > + Note that a kernel compiled with profiling flags will be larger and > + slower. Also be sure to exclude files from profiling which are not > + linked to the kernel image to prevent linker errors. umm.... I think the Kconfig help should include the text "makes your kernel three times larger". ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
