1 files changed, 11 insertions, 0 deletions

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 1399f372b5dc..5d6aa92866cd 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -13,6 +13,7 @@ config FTRACE
         depends on DEBUG_KERNEL && HAVE_FTRACE
         select FRAME_POINTER
         select TRACING
+        select CONTEXT_SWITCH_TRACER
         help
           Enable the kernel to trace every kernel function. This is done
           by using a compiler feature to insert a small, 5-byte No-Operation
@@ -21,3 +22,13 @@ config FTRACE
           tracing is enabled by the administrator. If it's runtime disabled
           (the bootup default), then the overhead of the instructions is very
           small and not measurable even in micro-benchmarks.
+
+config CONTEXT_SWITCH_TRACER
+        bool "Trace process context switches"
+        depends on DEBUG_KERNEL
+        select TRACING
+        select MARKERS
+        help
+          This tracer gets called from the context switch and records
+          all switching of tasks.
+