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authorEelco Chaudron <echaudro@redhat.com>2021-12-22 10:17:12 +0100
committerIlya Maximets <i.maximets@ovn.org>2022-01-18 00:46:30 +0100
commit512fab8f21ebd336a0be983b7ba5a62114592c03 (patch)
tree5ac1c599d6e602a7e728aa3842d64f9c0167b87d /include
parent191013cae99e146292b7ea34bf3c4aaa3bb54832 (diff)
downloadopenvswitch-512fab8f21ebd336a0be983b7ba5a62114592c03.tar.gz
openvswitch: Define the OVS_STATIC_TRACE() macro.
This patch defines the OVS_STATIC_TRACE() macro, and as an example, adds two of them in the bridge run loop. Signed-off-by: Eelco Chaudron <echaudro@redhat.com> Acked-by: Paolo Valerio <pvalerio@redhat.com> Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Diffstat (limited to 'include')
-rw-r--r--include/openvswitch/automake.mk1
-rw-r--r--include/openvswitch/usdt-probes.h50
2 files changed, 51 insertions, 0 deletions
diff --git a/include/openvswitch/automake.mk b/include/openvswitch/automake.mk
index 1fa6d88fa..84670d80a 100644
--- a/include/openvswitch/automake.mk
+++ b/include/openvswitch/automake.mk
@@ -43,6 +43,7 @@ openvswitchinclude_HEADERS = \
include/openvswitch/tun-metadata.h \
include/openvswitch/type-props.h \
include/openvswitch/types.h \
+ include/openvswitch/usdt-probes.h \
include/openvswitch/util.h \
include/openvswitch/uuid.h \
include/openvswitch/version.h \
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 */