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>

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 5a9cffb..16e5bb5 100644 (file)
--- 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