Commit 4ee4301c authored by Steven Rostedt (Red Hat)'s avatar Steven Rostedt (Red Hat) Committed by Steven Rostedt
Browse files

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: default avatarSteven Rostedt <rostedt@goodmis.org>
parent 729358da

kernel/trace/trace.h

+9 −2
Original line number Diff line number Diff line
@@ -895,6 +895,13 @@ extern int trace_get_user(struct trace_parser *parser, const char __user *ubuf, 
# 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 @@ extern int trace_get_user(struct trace_parser *parser, const char __user *ubuf, 
		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 @@ extern int trace_get_user(struct trace_parser *parser, const char __user *ubuf, 
		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