for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+config JUMP_LABEL
+ bool "Optimize trace point call sites"
+ depends on HAVE_ARCH_JUMP_LABEL
+ help
+ If it is detected that the compiler has support for "asm goto",
+ the kernel will compile trace point locations with just a
+ nop instruction. When trace points are enabled, the nop will
+ be converted to a jump to the trace function. This technique
+ lowers overhead and stress on the branch prediction of the
+ processor.
+
+ On i386, options added to the compiler flags may increase
+ the size of the kernel slightly.
+
config OPTPROBES
def_bool y
depends on KPROBES && HAVE_OPTPROBES
subsystem. Also has support for calculating CPU cycle events
to determine how many clock cycles in a given period.
+config HAVE_ARCH_JUMP_LABEL
+ bool
+
source "kernel/gcov/Kconfig"