1 files changed, 50 insertions, 0 deletions
diff --git a/include/openvswitch/usdt-probes.h b/include/openvswitch/usdt-probes.h
new file mode 100644
index 000000000..a49563f07
--- /dev/null
+++ b/include/openvswitch/usdt-probes.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2021 Red Hat, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OPENVSWITCH_USDT_PROBES_H
+#define OPENVSWITCH_USDT_PROBES_H 1
+
+#ifdef HAVE_USDT_PROBES
+#include <sys/sdt.h>
+#endif
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#ifdef HAVE_USDT_PROBES
+
+#define GET_DTRACE_FUNC(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10,  \
+                        NAME, ...) NAME
+
+#define OVS_USDT_PROBE(provider, name, ...)                           \
+    GET_DTRACE_FUNC(_0, ##__VA_ARGS__, DTRACE_PROBE10, DTRACE_PROBE9, \
+                    DTRACE_PROBE8, DTRACE_PROBE7, DTRACE_PROBE6,      \
+                    DTRACE_PROBE5, DTRACE_PROBE4, DTRACE_PROBE3,      \
+                    DTRACE_PROBE2, DTRACE_PROBE1, DTRACE_PROBE)       \
+        (provider, name, ##__VA_ARGS__)
+
+#else
+
+#define OVS_USDT_PROBE(...)
+
+#endif
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif /* usdt-probes.h */