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-rw-r--r--include/linux/tracepoint.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index d35a7ee7611f..b9dc4ca0246f 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -31,6 +31,8 @@ struct tracepoint {
31 * Keep in sync with vmlinux.lds.h. 31 * Keep in sync with vmlinux.lds.h.
32 */ 32 */
33 33
34#ifndef DECLARE_TRACE
35
34#define TP_PROTO(args...) args 36#define TP_PROTO(args...) args
35#define TP_ARGS(args...) args 37#define TP_ARGS(args...) args
36 38
@@ -114,6 +116,7 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
114 struct tracepoint *end) 116 struct tracepoint *end)
115{ } 117{ }
116#endif /* CONFIG_TRACEPOINTS */ 118#endif /* CONFIG_TRACEPOINTS */
119#endif /* DECLARE_TRACE */
117 120
118/* 121/*
119 * Connect a probe to a tracepoint. 122 * Connect a probe to a tracepoint.
@@ -154,10 +157,8 @@ static inline void tracepoint_synchronize_unregister(void)
154} 157}
155 158
156#define PARAMS(args...) args 159#define PARAMS(args...) args
157#define TRACE_FORMAT(name, proto, args, fmt) \
158 DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
159
160 160
161#ifndef TRACE_EVENT
161/* 162/*
162 * For use with the TRACE_EVENT macro: 163 * For use with the TRACE_EVENT macro:
163 * 164 *
@@ -197,7 +198,7 @@ static inline void tracepoint_synchronize_unregister(void)
197 * * This is how the trace record is structured and will 198 * * This is how the trace record is structured and will
198 * * be saved into the ring buffer. These are the fields 199 * * be saved into the ring buffer. These are the fields
199 * * that will be exposed to user-space in 200 * * that will be exposed to user-space in
200 * * /debug/tracing/events/<*>/format. 201 * * /sys/kernel/debug/tracing/events/<*>/format.
201 * * 202 * *
202 * * The declared 'local variable' is called '__entry' 203 * * The declared 'local variable' is called '__entry'
203 * * 204 * *
@@ -257,10 +258,11 @@ static inline void tracepoint_synchronize_unregister(void)
257 * tracepoint callback (this is used by programmatic plugins and 258 * tracepoint callback (this is used by programmatic plugins and
258 * can also by used by generic instrumentation like SystemTap), and 259 * can also by used by generic instrumentation like SystemTap), and
259 * it is also used to expose a structured trace record in 260 * it is also used to expose a structured trace record in
260 * /debug/tracing/events/. 261 * /sys/kernel/debug/tracing/events/.
261 */ 262 */
262 263
263#define TRACE_EVENT(name, proto, args, struct, assign, print) \ 264#define TRACE_EVENT(name, proto, args, struct, assign, print) \
264 DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) 265 DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
266#endif
265 267
266#endif 268#endif