Allow a trace events header file to disable compilation of its
trace events by defining the preprocessor macro NOTRACE.
This could be done, for example, according to a Kconfig option.
Signed-off-by: Tal Shorer <tal.sho...@gmail.com>
---
include/linux/tracepoint.h | 6 +++---
include/trace/define_trace.h | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index a5f7f3e..c869f84 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -111,7 +111,7 @@ extern void syscall_unregfunc(void);
#define TP_ARGS(args...) args
#define TP_CONDITION(args...) args
-#ifdef CONFIG_TRACEPOINTS
+#if defined(CONFIG_TRACEPOINTS) && !defined(NOTRACE)
/*
* it_func[0] is never NULL because there is at least one element in the array
@@ -234,7 +234,7 @@ extern void syscall_unregfunc(void);
#define EXPORT_TRACEPOINT_SYMBOL(name) \
EXPORT_SYMBOL(__tracepoint_##name)
-#else /* !CONFIG_TRACEPOINTS */
+#else /* !(defined(CONFIG_TRACEPOINTS) && !defined(NOTRACE)) */
#define __DECLARE_TRACE(name, proto, args, cond, data_proto, data_args) \
static inline void trace_##name(proto) \
{ } \
@@ -266,7 +266,7 @@ extern void syscall_unregfunc(void);
#define EXPORT_TRACEPOINT_SYMBOL_GPL(name)
#define EXPORT_TRACEPOINT_SYMBOL(name)
-#endif /* CONFIG_TRACEPOINTS */
+#endif /* defined(CONFIG_TRACEPOINTS) && !defined(NOTRACE) */
#ifdef CONFIG_TRACING
/**
diff --git a/include/trace/define_trace.h b/include/trace/define_trace.h
index 02e1003..e847fd7 100644
--- a/include/trace/define_trace.h
+++ b/include/trace/define_trace.h
@@ -86,7 +86,7 @@
#undef DECLARE_TRACE
#define DECLARE_TRACE(name, proto, args)
-#ifdef CONFIG_EVENT_TRACING
+#if defined(CONFIG_EVENT_TRACING) && !defined(NOTRACE)
#include <trace/ftrace.h>
#endif
--
2.2.2
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