tracing: Do not create function tracer options when not compiled in
When the function tracer is not compiled in, do not create the option files
for it.
Fix up both the sched_wakeup and irqsoff tracers to handle the change.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 3f1cc45..b389d40 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -902,6 +902,15 @@
# define BRANCH_FLAGS
#endif
+#ifdef CONFIG_FUNCTION_TRACER
+# define FUNCTION_FLAGS \
+ C(FUNCTION, "function-trace"),
+# define FUNCTION_DEFAULT_FLAGS TRACE_ITER_FUNCTION
+#else
+# define FUNCTION_FLAGS
+# define FUNCTION_DEFAULT_FLAGS 0UL
+#endif
+
/*
* trace_iterator_flags is an enumeration that defines bit
* positions into trace_flags that controls the output.
@@ -931,7 +940,7 @@
C(STOP_ON_FREE, "disable_on_free"), \
C(IRQ_INFO, "irq-info"), \
C(MARKERS, "markers"), \
- C(FUNCTION, "function-trace"), \
+ FUNCTION_FLAGS \
FGRAPH_FLAGS \
BRANCH_FLAGS