perf: Have arches handle the backtrace
[akaros.git] / Kconfig
diff --git a/Kconfig b/Kconfig
index 215e6db..0813fed 100644 (file)
--- a/Kconfig
+++ b/Kconfig
@@ -252,6 +252,14 @@ config BLOCK_EXTRAS
                implementation.  Say y.  If you have networking bugs, try turning this
                off, and if that helps, tell someone.
 
+config BETTER_BACKTRACE
+       bool "Better backtraces, less optimizations"
+       default n
+       help
+               The kernel uses the frame pointer and call stacks for backtraces.
+               Tail-call optimizations remove some of this information.  Say 'Y' here
+               to have better backtraces, at the expense of performance.
+
 endmenu
 
 menu "Misc/Old Options"