ftrace: make it depend on DEBUG_KERNEL

make most of the tracers depend on DEBUG_KERNEL - that's their intended
purpose. (most distributions have DEBUG_KERNEL enabled anyway so this is
not a practical limitation - but it simplifies the tracing menu in the
normal case)

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 7 insertions, 0 deletions

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 5a9cffb0fafb..16e5bb5daaa5 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -22,6 +22,7 @@ config TRACING
 config FTRACE
         bool "Kernel Function Tracer"
         depends on HAVE_FTRACE
+        depends on DEBUG_KERNEL
         select FRAME_POINTER
         select TRACING
         select CONTEXT_SWITCH_TRACER
@@ -40,6 +41,7 @@ config IRQSOFF_TRACER
         depends on TRACE_IRQFLAGS_SUPPORT
         depends on GENERIC_TIME
         depends on HAVE_FTRACE
+        depends on DEBUG_KERNEL
         select TRACE_IRQFLAGS
         select TRACING
         select TRACER_MAX_TRACE
@@ -63,6 +65,7 @@ config PREEMPT_TRACER
         depends on GENERIC_TIME
         depends on PREEMPT
         depends on HAVE_FTRACE
+        depends on DEBUG_KERNEL
         select TRACING
         select TRACER_MAX_TRACE
         help
@@ -90,6 +93,7 @@ config SYSPROF_TRACER
 config SCHED_TRACER
         bool "Scheduling Latency Tracer"
         depends on HAVE_FTRACE
+        depends on DEBUG_KERNEL
         select TRACING
         select CONTEXT_SWITCH_TRACER
         select TRACER_MAX_TRACE
@@ -100,6 +104,7 @@ config SCHED_TRACER
 config CONTEXT_SWITCH_TRACER
         bool "Trace process context switches"
         depends on HAVE_FTRACE
+        depends on DEBUG_KERNEL
         select TRACING
         select MARKERS
         help
@@ -120,6 +125,7 @@ config DYNAMIC_FTRACE
         bool "enable/disable ftrace tracepoints dynamically"
         depends on FTRACE
         depends on HAVE_DYNAMIC_FTRACE
+        depends on DEBUG_KERNEL
         default y
         help
          This option will modify all the calls to ftrace dynamically
@@ -146,6 +152,7 @@ config FTRACE_SELFTEST
 config FTRACE_STARTUP_TEST
         bool "Perform a startup test on ftrace"
         depends on TRACING
+        depends on DEBUG_KERNEL
         select FTRACE_SELFTEST
         help
           This option performs a series of startup tests on ftrace. On bootup