Add tracing instrumentation for pthread mutex lock functions

[lttng-ust.git] / liblttng-ust-libc-wrapper / ust_pthread.h

diff --git a/liblttng-ust-libc-wrapper/ust_pthread.h b/liblttng-ust-libc-wrapper/ust_pthread.h
new file mode 100644 (file)
index 0000000..7d35c3a
--- /dev/null
+++ b/liblttng-ust-libc-wrapper/ust_pthread.h
@@ -0,0 +1,76 @@
+#undef TRACEPOINT_PROVIDER
+#define TRACEPOINT_PROVIDER ust_pthread
+
+#if !defined(_TRACEPOINT_UST_PTHREAD_H) || defined(TRACEPOINT_HEADER_MULTI_READ)
+#define _TRACEPOINT_UST_PTHREAD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Copyright (C) 2013  Mentor Graphics
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <lttng/tracepoint.h>
+
+TRACEPOINT_EVENT(ust_pthread, pthread_mutex_lock_req,
+       TP_ARGS(pthread_mutex_t *, mutex),
+       TP_FIELDS(
+               ctf_integer_hex(void *, mutex, mutex)
+       )
+)
+
+TRACEPOINT_EVENT(ust_pthread, pthread_mutex_lock_acq,
+       TP_ARGS(pthread_mutex_t *, mutex, int, status),
+       TP_FIELDS(
+               ctf_integer_hex(void *, mutex, mutex)
+               ctf_integer(int, status, status)
+       )
+)
+
+TRACEPOINT_EVENT(ust_pthread, pthread_mutex_trylock,
+       TP_ARGS(pthread_mutex_t *, mutex, int, status),
+       TP_FIELDS(
+               ctf_integer_hex(void *, mutex, mutex)
+               ctf_integer(int, status, status)
+       )
+)
+
+TRACEPOINT_EVENT(ust_pthread, pthread_mutex_unlock,
+       TP_ARGS(pthread_mutex_t *, mutex, int, status),
+       TP_FIELDS(
+               ctf_integer_hex(void *, mutex, mutex)
+               ctf_integer(int, status, status)
+       )
+)
+
+#endif /* _TRACEPOINT_UST_PTHREAD_H */
+
+#undef TRACEPOINT_INCLUDE
+#define TRACEPOINT_INCLUDE "./ust_pthread.h"
+
+/* This part must be outside ifdef protection */
+#include <lttng/tracepoint-event.h>
+
+#ifdef __cplusplus
+}
+#endif