diff options
Diffstat (limited to 'kernel/trace/Kconfig')
| -rw-r--r-- | kernel/trace/Kconfig | 11 |
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. + |
