tracing: Only create branch tracer options when compiled in
When the branch tracer is not compiled in, do not create the option files
associated to it.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 33cd097..3f1cc45 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -895,6 +895,13 @@
# define FUNCTION_GRAPH_DEFAULT_FLAGS 0UL
#endif
+#ifdef CONFIG_BRANCH_TRACER
+# define BRANCH_FLAGS \
+ C(BRANCH, "branch"),
+#else
+# define BRANCH_FLAGS
+#endif
+
/*
* trace_iterator_flags is an enumeration that defines bit
* positions into trace_flags that controls the output.
@@ -913,7 +920,6 @@
C(BLOCK, "block"), \
C(STACKTRACE, "stacktrace"), \
C(PRINTK, "trace_printk"), \
- C(BRANCH, "branch"), \
C(ANNOTATE, "annotate"), \
C(USERSTACKTRACE, "userstacktrace"), \
C(SYM_USEROBJ, "sym-userobj"), \
@@ -926,7 +932,8 @@
C(IRQ_INFO, "irq-info"), \
C(MARKERS, "markers"), \
C(FUNCTION, "function-trace"), \
- FGRAPH_FLAGS
+ FGRAPH_FLAGS \
+ BRANCH_FLAGS
/*
* By defining C, we can make TRACE_FLAGS a list of bit names