Add kernel probes for supplementary subsystems

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

diff --git a/instrumentation/events/lttng-module/udp.h b/instrumentation/events/lttng-module/udp.h
new file mode 100644 (file)
index 0000000..304ea95
--- /dev/null
+++ b/instrumentation/events/lttng-module/udp.h
@@ -0,0 +1,32 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM udp
+
+#if !defined(_TRACE_UDP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_UDP_H
+
+#include <linux/udp.h>
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(udp_fail_queue_rcv_skb,
+
+       TP_PROTO(int rc, struct sock *sk),
+
+       TP_ARGS(rc, sk),
+
+       TP_STRUCT__entry(
+               __field(int, rc)
+               __field(__u16, lport)
+       ),
+
+       TP_fast_assign(
+               tp_assign(rc, rc);
+               tp_assign(lport, inet_sk(sk)->inet_num);
+       ),
+
+       TP_printk("rc=%d port=%hu", __entry->rc, __entry->lport)
+)
+
+#endif /* _TRACE_UDP_H */
+
+/* This part must be outside protection */
+#include "../../../probes/define_trace.h"