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-rw-r--r--sys/sys/tracepoint.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/sys/sys/tracepoint.h b/sys/sys/tracepoint.h
new file mode 100644
index 0000000..d9a674a
--- /dev/null
+++ b/sys/sys/tracepoint.h
@@ -0,0 +1,36 @@
+/* $OpenBSD: tracepoint.h,v 1.1 2020/01/21 16:16:23 mpi Exp $ */
+
+/*
+ * Copyright (c) 2019 Martin Pieuchot <mpi@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _SYS_TRACEPOINT_H_
+#define _SYS_TRACEPOINT_H_
+
+#ifdef _KERNEL
+
+#include "dt.h"
+#if NDT > 0
+#include <dev/dt/dtvar.h>
+
+#define TRACEPOINT(func, name, args...) DT_STATIC_ENTER(func, name, args)
+
+#else /* NDT > 0 */
+
+#define TRACEPOINT(func, name, args...)
+
+#endif /* NDT > 0 */
+#endif /* _KERNEL */
+#endif /* _SYS_TRACEPOINT_H_ */