LTTng logger ABI

[lttng-modules.git] / instrumentation / events / lttng-module / lttng.h

diff --git a/instrumentation/events/lttng-module/lttng.h b/instrumentation/events/lttng-module/lttng.h
new file mode 100644 (file)
index 0000000..c2ddf8d
--- /dev/null
+++ b/instrumentation/events/lttng-module/lttng.h
@@ -0,0 +1,24 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM lttng
+
+#if !defined(_TRACE_LTTNG_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_LTTNG_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(lttng_logger,
+       TP_PROTO(const char __user *text, size_t len),
+       TP_ARGS(text, len),
+       TP_STRUCT__entry(
+               __dynamic_array_text(char, msg, len)
+       ),
+       TP_fast_assign(
+               tp_memcpy_dyn_from_user(msg, text)
+       ),
+       TP_printk("")
+)
+
+#endif /* _TRACE_LTTNG_H */
+
+/* This part must be outside protection */
+#include "../../../probes/define_trace.h"